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List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Ashford Site/location Date Notified Type of Hazard Response Action

Residential Property 8/21/2002 detected in DEP discussed with the environmental No specific abatement action necessary. 70 Perry Hill Road above standards may threaten a consultant additional sampling data drinking . obtained for nearby threatened that shows there was no pollution in the wells. DEP requested that the data be submitted for detailed review. Avon Site/location Date Notified Type of Hazard Response Action

Avon Municipal 7/5/2007 Pollution was detected in a supply DEP directed the town to identify wells Sampled residential wells and installed new 281 Huckleberry Hill Road well but is below standards. within 500 feet and continue to conduct monitoring well for landfill. Monitoring program an already approved landfill monitoring continuing. program.

Mobil Service Station No. 01-363 6/9/2010 Pollution detected in groundwater The DEP directed the property owner to Access to the threatened well was not granted; 411 West Main Street above standards may threaten a confirm if a neigboring supply well sampling not done. In 2013 DEEP sampled the well. exists and, if so, sample the well for threatened well and no contaminants of constituents of concern. concern were detected. Owner is conducting site investigation and remediation under the property transfer program.

Village Cleaners & Tailors 11/22/2006 Pollution detected in groundwater DEP directed the property owner to Five wells identified within 500 feet but they are 183 West Main Street above standards may threaten a sample the onsite supply well, identify upgradient and not at risk. Volatile organic drinking water well. supply wells within 500 feet, and compounds not detected in on-site drinking sample any identified wells for water supply well. Site is undergoing detected at the site. investigation and remediation under Property Transfer Program. Barkhamsted Site/location Date Notified Type of Hazard Response Action

Hitchock Chair Company ( 2) 7/26/2007 above the groundwater DEP directed the property owner to Removed impacted , monitoring 20 wells 13 Riverton Road protection criteria threatens a submit a post-remedial monitoring semi-annually for natural attenuation of supply well. report to document impact is not petroleum . migrating off-site.

Lightstat Inc. 5/8/2012 Pollution was detected in a DEEP directed the property owner to Owner is maintaining a filter system on the 22 West Hill Road drinking water well but is below maintain an existing filter system and to impacted well. standards. monitor groundwater.

Lombard Ford 10/7/2009 Pollution detected in groundwater DEP directed the property owner to Majority of source of pollution already removed; 385 New Hartford Road above standards may threaten a identify and sample nearby supply wells. groundwater monitoring indicates no drinking water well. contaminants of concern.

Updated as of: Thursday, October 29, 2015 All Districts Page 1 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Barkhamsted Site/location Date Notified Type of Hazard Response Action

S & S Holding, LLC 1/14/2010 Pollution was detected in a DEP directed the property owner to Potable supply wells continue to be monitored 404 New Hartford Road drinking water well but is below expand their inventory of water supply with no contaminants detected. standards. wells to a radius of 1000 ft and to continue to sample identified potable supply wells. Berlin Site/location Date Notified Type of Hazard Response Action

Best Cleaners 1/23/2006 Pollution detected in groundwater DEP required additional sampling of a A receptor survey was conducted and one well 138 Mill Street above standards may threaten a nearby identified well and identification was identified. This well has been sampled five drinking water well. of any other drinking water wells within times in the past six years and no target 500 feet of the site. analytes have been detected. Investigation has been completed and remediation is on-going at the site.

EIS Brake Parts (former) 3/4/2009 Pollution detected in groundwater DEP directed the property owner to 11 potable wells were identified and 8 of them 129 Worthington Ridge above standards may threaten a sample the onsite supply well and were sampled. Pollution was either not drinking water well. identify and sample wells up to 500 feet detected or detected but below standards. from the site for pollutants detected at Monitoring program was implemented. Site the site. issues will be addressed under Property Transfer Program.

Northeast Utilities - Berlin Campus Settling Basi 10/1/2012 Pollution in the top two feet of soil DEEP directed the property owner to Warning signs were posted and fence was 107 Selden Street may pose a risk to human health submit a plan to identify the extent of installed to limit the potential contact with as a result of direct contact. polluted soil and to remove the polluted polluted soil. Remediation of the impacted soil soil. is overseen by the DEEP's PCB Unit. Bethany Site/location Date Notified Type of Hazard Response Action

Chemtura - Bethany R & D Facility 9/4/2007 Pollution was detected in a supply The property owner provided a survey All on-site wells were resampled, including 74 Amity Road well (not used for drinking) above of wells in the vicinity with the supply wells, and no chemicals of concern standards, and in another supply notification. DEP directed the property were detected above drinking water standards. well below standards. owner to provide additional technical Given this additional info, DEP concluded that information, and a work plan to sample it would not be necessary to sample off-site a subset of wells identified in the water supply wells. vicinity of the site.

Pleasant View Garage 5/26/2004 Pollution detected in groundwater DEP directed the property owner to Source of pollution removed, and monitoring 119-127 Amity Road above standards may threaten a sample the identified nearby wells for data shows affected wells are significantly drinking water well. pollutants detected at the site. below standards. No additional abatement action necessary.

Updated as of: Thursday, October 29, 2015 All Districts Page 2 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Bethany Site/location Date Notified Type of Hazard Response Action

Residence 12/13/2012 Pollution was detected in a DEEP has been notified by the current 166 Humiston and surrounding properties 166 Humiston Drive drinking water well above owner that the property is unoccupied. sampled for volatile organic chemicals. All standards. Prior to reoccupation, provisions should wells were non-detect for the that be made to retest and provide filtration triggered Hazard Notification. or an alternative source of water as needed to prevent exposure to identified pollution. Bethel Site/location Date Notified Type of Hazard Response Action

88 Plumtrees 6/7/2013 Pollution detected in groundwater DEEP directed the property owner to On-site and 6 abutting supply wells sampled for 88 Plumtrees Road above standards may threaten a sample the onsite supply well and pollutants. No pollution detected in supply drinking water well. identify and sample nearby wells for wells. Site currently vacant and in foreclosure. pollutants detected at the site. Continued sampling of groundwater and supply wells requested.

Blackstone Industries Inc. 5/12/2011 Pollution detected in groundwater DEP directed the property owner to Source of pollution removed. 7 wells identified 16 Stony Hill Road above standards may threaten a sample the two on-site supply wells and and 7 wells sampled; pollution not detected. drinking water well. to sample the nearest, identified wells On-site groundwater monitoring program surrounding the site for pollutants implemented. detected at the site.

Mountain Laurel Plaza 6/8/2006 Pollution was detected in a DEP directed the property owner to Two on-site and off-site water supply wells 66-68 Stony Hill Road drinking water well but is below sample both on-site supply wells and to identified. Pollution was not detected in two on- standards; pollution detected in identify and sample wells up to 500 feet site and one off-site well tested. Monitoring groundwater above standards away from the site for pollutants program implemented; pollution not detected may threaten a drinking water detected at the site. above groundwater protection criteria. well.

Parcel 2/16/2007 Pollution was detected in a DEP directed the property owner to re- Property vacant. On-site well abandoned. No 82 Stony Hill Road drinking water well but is below sample the onsite supply well and the additional abatement action necessary. standards. Pollution detected in monitoring well at the septic system for groundwater above standards pollutants detected at the site. may threaten a drinking water well. Bethlehem Site/location Date Notified Type of Hazard Response Action

Residential Property 5/5/2006 Pollution detected in groundwater DEP directed the property owner to All wells sampled, pollution not detected or 135 & 147 Main Street South above standards may threaten a resample the monitoring well and to detected significantly below standards. No drinking water well. sample the on-site well for pollutants additional hazard abatement action necessary. detected at the site. Certification of abatement issued.

Updated as of: Thursday, October 29, 2015 All Districts Page 3 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Bloomfield Site/location Date Notified Type of Hazard Response Action

Office location of The Hartford 11/20/2009 Pollution detected in groundwater DEP directed the property owner to Drinking water well receptor survey submitted 1 Griffin Road South above standards may threaten a submit a drinking water well receptor on 2/2/10 and no threatened wells were drinking water well. survey with a parcel map identifying identified. No further action necessary. drinking water supply wells; and also determine if dieldrin in groundwater is coming from an upgradient source.

Residential Property 10/26/2009 Pollution detected in groundwater DEP directed the owner to identify and Impacted soil removed, passive venting system 452 Tunxis Avenue Extension above standards may threaten a sample wells within 500 ft and continue installed and monitoring wells continue to be drinking water well. to monitor the onsite supply well and monitored. monitoring wells quarterly until pollution meets standards. Bolton Site/location Date Notified Type of Hazard Response Action

Bolton High School 5/4/2010 Pollution detected in groundwater DEP directed the property owner to Source of pollution removed, and monitoring 72 Brandy Street above standards may threaten a sample the onsite supply well and data shows threatened wells not affected. No drinking water well. identify and sample nearby wells for additional abatement action necessary. pollutants detected at the site.

Mike's Citgo 6/3/2005 Pollution detected in groundwater DEP directed the property owner to On-site well tested and non-detect for the 1135 Boston Turnpike above standards may threaten a identify and sample wells up to 500 feet pollutants at the site. Four nearby wells drinking water well. away from the site for pollutants continue to be evaluated by DEEP. detected at the site.

Mobil Station # 10172 (01-F9V) 5/26/2010 Pollution detected in groundwater DEP directed the property owner to Six wells sampled. Pollution not detected or 129 Boston Turnpike above standards may threaten a sample the onsite and identified wells significantly below standards. No additional drinking water well. within 500 feet for pollutants detected abatement action necessary. at the site.

Precision Landscaping 2/21/2006 Pollution detected in groundwater DEP directed the property owner to Wells identified and sampled, pollution either 280 West Street above standards may threaten a sample the onsite supply well and not detected or detected but below standards. drinking water well. identify and sample wells up to 500 feet away from the site for pollutants detected at the site. Bozrah Site/location Date Notified Type of Hazard Response Action

Mimmo's Service Center 10/18/2011 Pollution detected in groundwater DEEP directed the property owner to Three wells identified and sampled, pollution 421 Salem Turnpike above standards may threaten a sample the onsite supply well and either not detected or detected but below drinking water well. identify and sample nearby wells for standards. DEEP evaluating results to pollutants detected at the site. determine next steps.

Updated as of: Thursday, October 29, 2015 All Districts Page 4 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Branford Site/location Date Notified Type of Hazard Response Action

Acitronics, Inc. 5/12/2014 Pollution detected in groundwater DEEP directed the property owner to Property will transfer within the next month. 35 Acorn Road that discharges to a submit a plan to investigate the extent Additional investigation is ongoing and it body may pose a risk to aquatic and degree of groundwater pollution, appears that the concentrations in the most . and to evaluate the threat to surface downgradient on-site well are decreasing since water and aquatic life. plating operations at the site have ceased.

Branford Landfill 5/6/2003 Pollution detected in groundwater DEP reviewed information provided and No specific hazard abatement action Tabor Drive that discharges to a surface water determined that the groundwater necessary. Monitoring to continue pursuant to body may pose a risk to aquatic pollution does not actually discharge to Landfill requirements. life. the nearby surface water. The pollution does not in fact threaten aquatic life.

Shoreline Trailer Court Mobile Home 10/19/2004 Pollution in the top two feet of soil DEP determined that remediation Site has been remediated pursuant to an 509-545 East Main Street may pose a risk to human health already in progress will address the engineered control that effectively eliminates as a result of direct contact. hazard. direct contact with pollutants. No additional hazard abatement action necessary. Bridgeport Site/location Date Notified Type of Hazard Response Action

Black Rock Ship Yard (former) 11/14/2005 Pollution detected in groundwater DEP directed the owner to arrange for Prospective purchaser backed out, property is 10 Brewster Street that discharges to a surface water the prospective purchaser to include still vacant. Groundwater threat to surface body may pose a risk to aquatic evaluation of the threat to surface water water evaluated by DEEP for site specific life. and aquatic life in planned investigation conditions and determined to not significantly and remedial activity. impact surface water and aquatic life.

BP Service Station # 5089 (former) 4/3/2003 Polluted groundwater beneath an DEP's Leaking Underground Tank Sampling of shows that air 3956 Main Street occupied building could affect Program is working with the property pollution is not at levels that pose a significant indoor air quality. owner to investigate the site. DEP risk. DEP letter (4/7/06) requested active initiated an investigation of soil vapor . beneath the building.

Braxton Mens Shop 2/2/2004 Polluted groundwater beneath an DEP reviewed sampling data and No specific hazard abatement action 1168 Stratford Avenue occupied building could affect determined that the groundwater indoor air quality. pollution does not in fact pose a significant threat to indoor air quality.

Colombus Elementary School 9/7/2010 Pollution in the top two feet of soil Property owner proposed to cover Covered polluted soil with filter fabric and 6 275 George Street may pose a risk to human health polluted soil with filter fabric and clean inches of clean fill as interim measure. City as a result of direct contact. fill to limit exposure risk as a temporary plans to submit plan for final remedy to EPA measure. DEP directed the property for review and approval in October 2010. owner to proceed with the proposed action and provide a report of actions taken at the site.

Updated as of: Thursday, October 29, 2015 All Districts Page 5 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Bridgeport Site/location Date Notified Type of Hazard Response Action

Conco Medical 8/21/2002 Pollution in the top two feet of soil DEP reviewed information provided and Access to polluted soil is restricted; no specific 380 Horace Street may pose a risk to human health determined that access to the site and hazard abatement action necessary. as a result of direct contact. polluted is restricted, limiting the potential for contact. DEP requested that all persons with access be made aware of the condition.

General Electric Company 1/25/2007 Pollution detected in the top two DEP reviewed information provided and Some soil removal. Access to remaining 1285 Boston Avenue feet of soil may pose a risk to determined that the site is secure, polluted soil is restricted. Maintenance of human health as a result of direct limiting the potential for contact. controlled soil condition will continue until soil contact. is remediated by owner. DEP directed the property owner to Pollution detected in groundwater submit a plan to evaluate the threat to Impacts to surface water are undergoing data that discharges to a surface water surface water, aquatic life, and assessment. body may pose a risk to aquatic sediment quality. life.

General Electric Company 7/29/2005 Pollution in the top two feet of soil DEP reviewed information provided and Some soil removal. Access to remaining 1285 Boston Avenue may pose a risk to human health determined that the site is secure, polluted soil is restricted. Maintenance of as a result of direct contact. limiting the potential for contact. controlled soil condition will continue until soil is remediated by owner. DEP directed the property owner to Pollution detected in groundwater submit a plan to evaluate the threat to Impacts to surface water are undergoing data that discharges to a surface water surface water, aquatic life, and assessment. body may pose a risk to aquatic sediment quality. life.

General Electric Company 8/20/2007 Pollution in the top two feet of soil DEP reviewed information provided and Access to polluted soil is restricted; no specific 1285 Boston Avenue may pose a risk to human health determined that the site is secure, hazard abatement action necessary. as a result of direct contact. limiting the potential for contact.

Hoffman Fuel Company of Bridgeport 1/5/2011 Pollution in the top two feet of soil DEP directed the property owner to Access to site is restricted. Maintenance of 156 East Washington Avenue may pose a risk to human health inform persons with potential for controlled condition will continue until soil is as a result of direct contact. exposure and post warning signs to remediated by owner. Site-wide remediation to limit unknowing access to the polluted occur under Property Transfer Program. soil until the site is cleaned up.

Metro North 9/19/2012 Pollution in the top two feet of soil DEEP reviewed information provided Warning signs will be posted and soil will be station 2289+42 may pose a risk to human health and determined that the polluted soils properly managed if disturbed by construction. as a result of direct contact. are on a fenced active railroad line, limiting the potential for contact.

Post Office Arcade Mall 6/25/2007 Polluted groundwater beneath an DEP reviewed sampling data and No specific hazard abatement action 991-1019 Main Street occupied building could affect determined that the groundwater indoor air quality. pollution does not in fact pose a significant threat to indoor air quality.

Updated as of: Thursday, October 29, 2015 All Districts Page 6 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Bridgeport Site/location Date Notified Type of Hazard Response Action

Remington Arms Company, Inc. (former) 1/16/2003 Pollution in the top two feet of soil DEP directed the property owner to Warning signs posted, site secured and fence 939 Barnum Avenue may pose a risk to human health post warning signs and install a fence installed to limit the potential for contact with as a result of direct contact. or secure the area to limit access to the polluted soil. polluted soil.

Remington Arms Company, Inc. (former) 2/5/2004 Pollution detected in groundwater DEP directed the property owner to Groundwater threat to surface water evaluated 939 Barnum Avenue that discharges to a surface water evaluate the nature, extent and degree for site specific conditions and determined to body may pose a risk to aquatic of groundwater pollution to determine not significantly impact surface water and life. the threat to surface water and aquatic aquatic life. life near the site. Bristol Site/location Date Notified Type of Hazard Response Action

Bank of America 11/15/2005 Groundwater polluted with fuel oil DEP directed the property owner to Well receptor survey was completed and no 26 East Main Street (Forestville) above standards may threaten a conduct a well receptor survey within drinking water supply wells were identified. drinking water well. 500 feet of the site and to sample any Additionally, monitoring wells were installed at wells identified for petroleum the site and sampled, petroleum hydrocarbons compounds. were not detected. Certification of abatement issued.

Peabody Landscaping 10/18/2004 Pollution detected in groundwater DEP directed the property owner to Wells identified and sampled. Laboratory 53 Mines Road above standards may threaten a sample identified nearby wells for analytical results indicated no site related drinking water well. pollutants detected at the site. pollutants detected in the supply wells.

Polluted groundwater beneath an DEP reviewed sampling data and No specific hazard abatement action occupied building could affect determined that the groundwater necessary for indoor air quality. indoor air quality. pollution does not in fact pose a significant threat to indoor air quality.

Pump Station 12/1/2004 Pollution was detected in a DEP reviewed additional sampling data Monitoring program implemented. 13 Julia Road drinking water well above and determined the reported pollution standards. was not confirmed. DEP directed the property owner to sample the potentially affected wells monthly for pollutants detected at the site, and provide bottled water if needed.

Yankee Gas Service Company 5/9/2006 Pollution in the top two feet of soil DEP reviewed information provided and Polluted soil subsequently removed from site. Riverside Avenue may pose a risk to human health determined that the polluted soil is in a No additional abatement action necessary. as a result of direct contact. secure and fenced area, limiting the Certification of abatement issued. potential for contact.

Updated as of: Thursday, October 29, 2015 All Districts Page 7 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Brookfield Site/location Date Notified Type of Hazard Response Action

A. J. Tuck Company 1/3/2007 Pollution was detected in two DEP directed the property owner to All wells within 500 feet sampled, and pollution 32 Tuck Road drinking water wells but is below sample the on-site supply well and an was either not detected or was detected but standards. off-site supply well (at 34 Tuck Rd) on a below standards. Monitoring program quarterly basis and to identify wells up implemented. to 500 feet away from the site.

Avon Auto & Equipment 6/29/2004 Pollution was detected in a DEP reviewed additional sampling data No additional hazard abatement action 303 Federal Road drinking water well above for the well and determined that necessary. standards. pollution is not in fact present, and water is safe for human consumption.

Brookfield Square 11/30/2004 Pollution was detected in a DEP is sampling adjacent wells and Five of five wells sampled. Pollution was not 270 Federal Road drinking water well but is below directed the property owner to identify detected or was detected significantly below standards. wells up to 500 feet away from the site standards. No additional abatement action for pollutants detected at the site, and necessary. to recommend further actions.

Elmbrook Plaza 5/9/2005 Pollution detected in groundwater DEP directed the property owner to 7 wells identified and 7 wells sampled. 632 & 640 Federal Road above standards may threaten a identify and sample wells onsite and up Pollution not detected. No additional hazard drinking water well. to 500 feet away from the site for abatement action necessary. Certification of pollutants detected at the site. abatement issued.

Greentree Toyota (former) 4/27/2006 Pollution detected in groundwater DEP directed the property owner to All wells sampled, pollution either not detected 465 Federal Road above standards may threaten a sample the on-site and nearby or detected but below standards. No additional drinking water well. identified wells within 500 feet for hazard abatement action necessary. pollutants detected at the site. Investigation and remediation on-going at site.

Kimchuk (former) 5/20/2005 Pollution was detected in a DEP required no action, because there Area potable supply wells sampled. All 34 Del Mar Drive drinking water well above is already a treatment filter on the pollution detected was below criteria or being standards. supply well and nearby locations also treated. Public water supply expanded to cover have alternate supplies of potable water. the affected area.

Mobil Station #11350 (01-280) 5/20/2010 Pollution was detected in a DEP directed the property owner to Eight wells identified. Four wells regulated by 83 Federal Road drinking water well above sample the onsite well and identified Dept. of Public Health. Other four wells standards. Pollution detected in private wells for pollutants detected at sampled. Pollution either not detected or groundwater above standards the site. detected below standards. Monitoring program may threaten a drinking water for supply wells implemented. well.

Rapid Power Technologies 2/14/2003 Pollution detected in groundwater DEP directed the property owner to No wells within 500 feet. Six wells within 1,000 18 Old Grays Bridge Road above standards may threaten a identify and sample wells up to 1000 feet were sampled. Pollution was not detected. drinking water well. feet away from the site for pollutants Two wells sampled quarterly as required by detected at the site. Department of Public Health. Source of pollution removed. No additional hazard abatement action necessary.

Updated as of: Thursday, October 29, 2015 All Districts Page 8 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Brookfield Site/location Date Notified Type of Hazard Response Action

Rapid Power Technologies (former) 12/29/2011 Pollution in the top two feet of soil DEEP directed the property owner to Warning sings posted, temporary fence 58 Old Grays Bridge Road may pose a risk to human health inform persons with potential for installed, site secured, and personnel informed. as a result of direct contact. exposure, post warning signs, and Maintenance of controlled condition will install a fence and secure the area to continue until soil is remediated by owner. limit access to the polluted soil until the site is cleaned up.

Rapid Power Technologies (former) 4/3/2012 Pollution in the top two feet of soil DEEP directed the property owner to Warning sings posted, temporary fence 58 Old Grays Bridge Road may pose a risk to human health inform persons with potential for installed, site secured, and personnel informed. as a result of direct contact. exposure, post warning signs, install a Maintenance of controlled condition will fence to limit access to the polluted soil continue until soil is remediated by owner. until the site is cleaned up, and to submit a plan to eliminate the risk to human health.

Residential Property 12/28/2009 Pollution detected in groundwater DEP reviewed sampling data. Pollution Polluted soil removed. Pollution not detected in 5 Hidden Brook Drive above standards may threaten a in the drinking water well was not water supply well on-site in nine quarters of drinking water well. detected. DEP directed the property monitoring. Pollution below standards in four owner to proceed with removal of quarters of groundwater monitoring. No further polluted soils, re-test the drinking water abatement action necessary. Certification of well, and report soil and groundwater abatement issued. post-remediation results.

Shell Facility #100058 12/2/2011 Pollution was detected in drinking DEEP directed the property owner to 7 wells identified and 1 (on-site) well sampled. 138 Federal Road water wells, with some above sample the threatened wells for the Pollution either not detected or detected below standards and some below pollutants detected at the site. standards. 1 well owner denied access. 1 well standards. Pollution detected in is upgradient. Pollution not detected in 4 other groundwater above standards wells. Monitoring program implemented for on- may threaten a drinking water site well. well.

Shell Facility #136291 1/10/2003 Pollution detected in groundwater DEP directed the property owner to All wells have been sampled with varying levels 49 Federal Road above standards may threaten a identify and sample wells up to 500 feet of pollution detected. The property owner, drinking water well. from the site for pollutants detected at under consent order with DEP, has the site. implemented a program to monitor impacted wells and maintain filter systems.

Shell Facility #136291 (former) 7/7/2009 Pollution was detected in a DEP directed the property owner to On-site well sampled; pollution detected but 49 Federal Road drinking water well above provide an alternate supply of potable below action levels. Monitoring program standards. Pollution detected in water for polluted on-site water supply implemented. groundwater above standards well and to continue monitoring this well may threaten a drinking water on a quarterly basis. well.

Ship Shape Cleaners (Former) 1/8/2013 Polluted groundwater beneath an DEEP reviewed information provided Source of pollution remediated. Vent system 106 Federal Road occupied building could affect and directed the property owner to installed to prevent impact on indoor air quality. indoor air quality. continue with planned vapor mitigation Monitoring program implemented. Groundwater and monitoring and groundwater and soil vapor below criteria 2013 - 2015. No treatment and monitoring. further abatement action necessary.

Updated as of: Thursday, October 29, 2015 All Districts Page 9 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Brookfield Site/location Date Notified Type of Hazard Response Action

Shopping Plaza 5/30/2006 Pollution was detected in a DEP reviewed information provided and Building demolished in 2011, eliminating risk to 106 Federal Road drinking water well above determined the affected well already indoor air. Source of pollution removed. Water standards. has a monitored treatment system. supply wells abandoned and affected sites DEP directed the property owner to connected to public water in early 2012. No Polluted groundwater and soil determine if indoor air quality is being additional abatement actions necessary. beneath an occupied building affected and provide a plan of action. could affect indoor air quality.

Shopping Plaza 5/8/2008 Pollution was detected in a DEP directed the property owner to Building demolished in 2011. Source of 106 Federal Road drinking water well above sample the on-site water supply well pollution removed. Water supply wells standards. and two nearby water supply wells on a abandoned and affected sites connected to quarterly basis for the pollutants public water in early 2012. No additional detected at the site. abatement actions necessary. Certification of abatement issued.

ShopRite Plaza 8/30/2005 Pollution detected in groundwater DEP directed the property owner to 8 wells within 500 ft. 2 public wells monitored 143 Federal Road above standards may threaten a sample identified wells within 500 feet by DPH. Pollution detected in 2 supply wells drinking water well. for pollutants detected at the site. below action level. Filter systems installed. 4 other private wells tested; pollution not detected. Monitoring program for groundwater and supply wells.

Sunland Marine 8/21/2003 Pollution detected in groundwater DEP directed the property owner to On-site supply well and four monitoring wells 419 Federal Road above standards may threaten a sample nearby wells for pollutants sampled. Pollution not detected. No additional drinking water well. detected at the site. abatement action necessary.

Texaco Facility #100058 1/10/2003 Pollution detected in groundwater DEP directed the property owner to 7 wells identified and 1 (on-site) well sampled. 138 Federal Road above standards may threaten a identify and sample wells up to 500 feet Pollution either not detected or detected below drinking water well. from the site for pollutants detected at standards. 1 well owner denied access. 1 well the site. is upgradient. Pollution not detected in 4 other wells. Monitoring program implemented for on- site well.

Wentworth Laboratories 9/26/2008 Pollution was detected in a DEP directed the property owner to re- Drinking water well re-sampled and inventory 500 Federal Road drinking water well but is below sample the onsite supply well and of supply wells conducted. Re-sampling of well standards. identify wells up to 500 feet away from confirmed low level of Barium, significantly the site. below standards. No additional sampling necessary for hazard evaluation or abatement. Brooklyn Site/location Date Notified Type of Hazard Response Action

Brooklyn Xtramart 2/21/2014 Pollution detected in groundwater DEEP directed the property owner to Drinking water wells identified and sampled, 409 Providence Road above standards may threaten a identify and sample nearby wells for pollution not detected in drinking water. drinking water well. pollutants detected at the site. Monitoring program implemented.

Updated as of: Thursday, October 29, 2015 All Districts Page 10 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Brooklyn Site/location Date Notified Type of Hazard Response Action

Eggs, Inc. 5/27/2004 Pollution detected in groundwater DEP directed the property owner to Well potentially at risk is connected to public Route 205 & Vina Lane above standards may threaten a identify and sample wells up to 500 feet water; no other wells known to be at risk. drinking water well. from the site for pollutants detected at the site.

Saveway Petroleum 6/14/2011 Pollution detected in groundwater DEP directed the property owner to Six wells identified and five wells sampled, 49 South Main Street above standards may threaten a sample six nearby drinking water wells pollution either not detected or detected but drinking water well. for volatile organic compounds and below standards. Monitoring program petroleum hydrocarbons. implemented. Burlington Site/location Date Notified Type of Hazard Response Action

Crescent Real Estate (Manufacturing) 6/22/2010 Pollution detected in groundwater DEP directed the property owner to Monitoring well did not contain contaminants of 700 George Washington Turnpike above standards may threaten a resample monitoring wells for concern. drinking water well. contaminants of concern. Canaan Site/location Date Notified Type of Hazard Response Action

Falls Village Citgo, (PC#007710) 3/30/2006 Pollution detected in groundwater DEP directed the property owner to Nearby wells tested and no pollution detected. Route 7 & Route 63 (Intersection) above standards may threaten a sample the onsite supply well on a Quarterly monitoring program on-going for on- drinking water well. quarterly basis until remediation of the site supply well, monitoring wells, and surface site is complete and to identify and water. Dept. of Public Health also reviewing sample wells up to 500 feet away from data. the site for pollutants detected at the site.

Hitchcock Brothers, Inc. 2/21/2008 Pollution detected in groundwater DEP reviewed potable water supply Monitoring data shows threatened well not 78 High Street above standards may threaten a well sampling data. Pollution is not in affected. No additional hazard abatement drinking water well. fact present in the well and does not action necessary. pose a risk to supply wells. Canterbury Site/location Date Notified Type of Hazard Response Action

Willimantic Waste Paper Co. 5/27/2008 Pollution detected in groundwater DEP directed the property owner to Consultant identified potable wells within 500 133 Packer Road above standards may threaten a sample the onsite supply well and foot radius. Sampled 5 wells; one additional drinking water well. identify and sample wells up to 500 feet house appeared to be vacant and was not away from the site for pollutants sampled. No contaminants detected. detected at the site.

Updated as of: Thursday, October 29, 2015 All Districts Page 11 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Canton Site/location Date Notified Type of Hazard Response Action

Chruch of Jesus Christ of Latter-Day Saints 5/22/2007 Explosion hazard exists due to DEP directed the property owner to Monitoring wells were sampled and levels 27 Lawton Road the release of from a continue to monitor threatened within wells no longer exhibit explosion hazard. storage tank residential properties for volatilization No additional hazard abatement action and explosion risks. necessary. Certification of abatement issued.

Commercial Property 10/11/2011 Pollution was detected in a DEEP requested confirmation Onsite underground tanks removed and onsite 3 Albany Turnpike drinking water well but is below resampling of the supply well and drinking water resampled and well was not standards. determination of the pollution source. If contaminated groundwater is the source DEEP requested an inventory of all drinking water wells within 500 feet.

Mobil Service Station No. 01-QQD 6/10/2010 Pollution detected in groundwater DEP directed the property owner to Potable drinking water supply wells were 306 Albany Turnpike above standards may threaten a sample residential wells within 500 feet sampled and did not contain any contaminants drinking water well. of the site for pollutants detected at the of concern site.

Residence 5/9/2011 Pollution detected in groundwater DEP directed the property owner to Onsite and nearest downgradient drinking 23 Lovely Street above standards may threaten a conduct a receptor survey and continue water supplies were sampled and did not drinking water well. to sample 21 and 23 Lovely Street for contain pollutants associated with the hazard. contaminants of concern.

Station No. 17771 (Former) 6/12/2012 Pollution was detected in a DEEP directed the property owner to Bottled water is being provided by responsible 306 Albany Turnpike drinking water well above conduct the work identified in the party. standards. hazard notification.

Unknown Source 4/15/2009 Pollution was detected in a DEP directed the property owner to Impacted well tested twice; both times Albany Trunpike/12 Dunham Road drinking water well above provide bottled water to any future contaminants of concern were not detected. standards. Pollution was detected tenant at 198 Albany Turnpike / 12 Certification of abatement issued. in a drinking water well but is Dunham Road. DEP indicated it will below standards. collect a confirmation sample to verify contaminant is present within the drinking supply well. Chaplin Site/location Date Notified Type of Hazard Response Action

Chaplin Mobil 8/13/2008 Pollution detected in groundwater DEP directed the property owner to 6 wells identified and 6 wells sampled, pollution 17 Willimantic Road above standards may threaten sample the onsite supply well and either not detected or detected but below nearby drinking water wells. identify and sample wells up to 500 feet standards. No further monitoring necessary. away from the site for pollutants Remediation completed at site and therefore is detected at site. no longer a threat .Certification of abatement issued.

Fin Fur & Feather Club 4/5/2007 Pollution detected in groundwater DEP directed the property owner to Treatment system installed at downgradient 213 Chewink Road above standards may threaten a sample the threatened well quarterly for property. Abatement plans implemented. No drinking water well. the pollutants detected at the site, and further action necessary. advise DEP of any changes, and provide a plan to abate the hazard.

Updated as of: Thursday, October 29, 2015 All Districts Page 12 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Cheshire Site/location Date Notified Type of Hazard Response Action

Ball & Socket Manufacturing (Former) 6/29/2015 Polluted groundwater beneath an DEEP directed the property owner to On-site potable well is not in use. 111 Railroad 493 West Main Street occupied building could affect evaluate the groundwater pollution to Avenue Property is a vacant lot now and no indoor air quality. Pollution determine the threat to surface water well is present. Two indoor air samples were detected in groundwater that and aquatic life near the site and to collected and the results will be submitted discharges to a surface water determine if indoor air quality is being soon. Investigation at the site is in progress. body may pose a risk to aquatic affected and provide a plan of action. life.

Cheshire BP 7/29/2008 Pollution detected in groundwater DEP directed the property owner to Three drinking water supply wells were 901 West Main Street above standards may threaten a sample the onsite and identified wells identified as being within 1,000 feet of the site. drinking water well. within 1000 feet for pollutants detected All samples were reported as below laboratory at the site. detection limits.

Cheshire Landfill 12/3/2002 Pollution was detected in a DEP directed the property owner to Sampling continues as part of landfill Waterbury Road (Route 70) drinking water well but is below sample wells up to 100 feet from the monitoring. Pollutants of concern not detected standards. site for pollutants detected at the site. in drinking water supply well..

Cheshire Landfill 5/23/2005 Pollution was detected in a DEP required continued sampling of Monitoring to continue pursuant to Landfill Waterbury Road (Route 70) drinking water well but is below the well for pollutants detected at the requirements. Chloroform was reported as standards. below laboratory detection limits for samples collected in the potable well.

Cheshire Landfill 11/28/2005 Pollution was detected in a DEP directed the property owner to Monitoring to continue pursuant to Landfill Waterbury Road (Route 70) drinking water well but is below continue an established monitoring requirements. Chloroform was reported as standards. program, and evaluate trends in the below laboratory detection limits for samples pollutant that was detected. collected in potable well.

Cheshire Veterinary Hospital 9/29/2006 Pollution detected in groundwater DEP directed the property owner to Property owner has conducted an inventory of 1568-1572 South Main Street above standards may threaten a sample potable wells identified up to wells within 500 feet. drinking water well. 500 feet of the site for pollutants detected at the site.

Residence 5/20/2008 Pollution was detected in a DEP directed the Town of Cheshire to Potable well and monitoring wells at Cheshire 485 Moss Frams Road drinking water well but is below continue an established monitoring landfill have been routinely monitored by the standards. program, and evaluate trends of the Town of Cheshire. MTBE was reported as non- pollutant that was detected. detected in the potable well and less than applicable standards in landfill monitoring wells.

Residential Property 2/22/2005 Pollution was detected in a DEP directed the property owner to Wells identified and sampled. No pollutants 2298 Waterbury Road (aka 2289) drinking water well but is below identify and sample wells onsite and up associated with this notification detected above standards. to 500 feet away from the site for standards. pollutants detected at the site.

Updated as of: Thursday, October 29, 2015 All Districts Page 13 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Chester Site/location Date Notified Type of Hazard Response Action

Residential Property 4/5/2005 Pollution by fuel oil was detected DEP reviewed actions taken and A new drinking water well had already been 62 Spring Street in a shallow drinking water well. determined they adequately addressed installed in an area not affected by the the pollution problem. pollution. No additional hazard abatement action necessary.

Roli Enterprises LLC 1/29/2004 Pollution was detected in a DEP reviewed sampling data and Building currently vacant. No specific hazard 20 Denlar Drive drinking water well but is below determined pollution in the well is abatement action necessary. DEP standards. significantly below standards, and the recommended periodic monitoring of well. water is safe for human consumption. Clinton Site/location Date Notified Type of Hazard Response Action

Richards Farm 7/16/2012 Pollution was detected in a DEEP directed the property owner to Property owner is providing bottled water to 71 Killingworth Turnpike drinking water well above provide bottled water to property with property and has posted signs directing standards. Pollution detected in polluted wells. Town contacted owner persons using the property not to drink the groundwater above standards of nearest residence and will sample water from the tap. Pollution is not migrating off- may threaten a drinking water drinking water well as soon as possible. site; no the need to monitor off-site drinking well. water wells. Colchester Site/location Date Notified Type of Hazard Response Action

Columbia Cleaners (former) 11/15/2006 Polluted groundwater beneath an DEP directed the property owner to A sub-slab venting system operated from 2009- 67 Lebanon Avenue occupied building could affect submit a plan to characterize the 2012. Soil vapor testing in 2012, 2013 and indoor air quality. impact on indoor air quality and develop 2015 below building shows pollution below a remedy to limit the impact. standards. No additional abatement action necessary.

Residential Property 10/27/2009 Pollution detected in groundwater DEP directed the property owner to Four offsite potable wells were identified and 24 Comstock Bridge Road above standards may threaten a sample the onsite supply well and sampled twice and no pollutant was detected. drinking water well. identify and sample wells up to 500 feet The onsite potable well was installed with a away from the site for pollutants filtration system and was monitored annually, detected at the site. as well as onsite monitoring wells. Source was removed. Columbia Site/location Date Notified Type of Hazard Response Action

Collins Garage 6/10/2009 Pollution detected in groundwater DEP directed the property owner to Nearby wells identified and sampled, pollution 177 Route 66 above standards may threaten a sample the onsite supply well and not detected. Monitoring program implemented drinking water well. sample nearby wells for pollutants and onsite remediation ongoing. detected at the site.

Updated as of: Thursday, October 29, 2015 All Districts Page 14 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Columbia Site/location Date Notified Type of Hazard Response Action

Residential property 11/13/2013 Pollution was detected in a DEEP directed the property owner to On-site well remains impacted with fuel-oil. 66-68 Route 87 drinking water well above check and remove any visible free Neighboring wells tested and are not impacted standards. product from the well, install a second by release. DEEP continues to work with carbon filter canister, and conduct property owners and their respective attorneys periodic testing of the well for the to address pollution abatement and drinking pollutants present at the site. water issues. Coventry Site/location Date Notified Type of Hazard Response Action

7-Eleven Store # 32520 10/23/2007 Pollution was detected in a DEP directed the property owner to Addiitional groundwater monitoring was 2711 Boston Turnpike (Route 44) drinking water well but is below sample the onsite supply well and conducted and nearby drinking water wells standards. identify and sample wells up to 500 feet were tested; no problems were identified. No away from the site for pollutants further monitoring is needed provided detected at the site. conditions do not change.

Coventry Landfill 6/3/2004 Pollution detected in groundwater DEP reviewed information provided and No specific hazard abatement action Route 31 that discharges to a surface water determined that the groundwater necessary. Monitoring to continue pursuant to body may pose a risk to aquatic pollution does not in fact significantly Landfill requirements. life. threaten aquatic life at the time it was reported.

Coventry Landfill 5/27/2003 Pollution detected in groundwater DEP reviewed information provided and No specific hazard abatement action Route 31 that discharges to a surface water determined that the groundwater necessary. Monitoring to continue pursuant to body may pose a risk to aquatic pollution does not in fact significantly Landfill requirements. life. threaten aquatic life at the time it was reported.

Coventry Pizza 10/14/2009 Pollution detected in groundwater DEP directed the property owner to 5 wells identified and the three closest 1467 South Street above standards may threaten a sample the onsite supply well and downgradient wells sampled, pollution either drinking water well. identify and sample wells up to 500 feet not detected or detected but below standards. away from the site for pollutants Semi-annual monitoring for two years detected at the site. confirmed conditions. Certification of abatement issued..

Residence (Former Farm) 2/26/2009 Pollution detected in groundwater DEP directed the property owner to Property owner sampled nearby drinking water 10 Grant Hill Road above standards may threaten a sample the identified wells within 500 wells. Contaminanted soils excavated from drinking water well. feet to the west, south and east of the source area. Groundwater conditions stable site for the pollutants present on the and no drinking water wells present within 500' site. downgradient of plume. Certification of abatement issued.

Updated as of: Thursday, October 29, 2015 All Districts Page 15 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Cromwell Site/location Date Notified Type of Hazard Response Action

Scheu Nursery (former) 12/10/2003 Pollution in the top two feet of soil DEP reviewed information provided and Polluted soil was removed from the site during Geer & Woodside Streets (Intersection) may pose a risk to human health determined there was in fact no development; no additional hazard abatement as a result of direct contact. significant hazard risk for the current action necessary. Drinking water wells were use. DEP also directed the identified and sampled and no pollutants property owner to identify and sample associated with the site were detected. wells within 500 feet for pollutants Certification of abatement issued. detected at the site.

Shell Facility #136296 (former) 8/15/2005 Pollution was detected in a DEP directed the property owner to A treatment system was installed on the 131 Berlin Road drinking water well but is below resample the onsite supply well and affected well. No pollutants above standards standards. identify and sample wells up to 500 feet were detected in the remaining drinking water away from the site for pollutants supply wells along nearby Kirby Road. detected at the site.

Sunoco 11/10/2005 Pollution was detected in a DEP directed the property owner to Source of pollution removed. On-site potable 164 West Street drinking water well but is below sample the threatened well quarterly for well was monitored between 2005 and 2008, standards. Pollution detected in the pollutants detected at the site. and in 2013; no pollution detected. No other groundwater above standards potable wells located with 500 feet of the site. may threaten a drinking water Certification of abatement issued. well. Danbury Site/location Date Notified Type of Hazard Response Action

345 Main Street LLC 3/5/2008 Polluted groundwater beneath an DEP directed the property owner to Vent system installed to prevent impact on 345 Main Street occupied building could affect determine if indoor air quality is being indoor air quality. Monitoring program indoor air quality. affected and provide a plan of action, if implemented including automatic alarms inside necessary. building.

Aberdeen property 4/4/2006 Pollution in the top two feet of soil As an interim measure, DEP directed Polluted soil was removed; no additional 11-27 East Franklin Street may pose a risk to human health the property owner to inform persons hazard abatement action is necessary. as a result of direct contact. with potential for exposure, post Certification of abatement issued. warning signs and install a fence to limit access to the polluted soil until the site is cleaned up.

Amphenol Corporation 3/18/2008 Pollution in the top two feet of soil DEP reviewed information provided and Polluted soil removed. No further abatement 33 East Franklin Street may pose a risk to human health determined that the polluted soil is action necessary. Certification of abatement as a result of direct contact. under pavement and in a secure and issued. fenced area, limiting the potential for contact.

CL&P Triangle 11A Substation 11/8/2005 Pollution in the top two feet of soil DEP reviewed information provided and Warning signs posted; site is secure fenced Triangle Street may pose a risk to human health determined that warning signs are electrical substation limiting the potential for as a result of direct contact. posted and the polluted soil is in a contact with polluted soil. secure and fenced area, limiting the potential for contact.

Updated as of: Thursday, October 29, 2015 All Districts Page 16 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Danbury Site/location Date Notified Type of Hazard Response Action

Colonial Ford Prep Center 2/24/2005 Pollution detected in groundwater DEP directed the property owner to Two wells identified and sampled. One year 93 Sand Pit Road above standards may threaten a verify the existance of, and sample, monitoring program implemented. Pollution not drinking water well. nearby wells for pollutants detected at detected or detected significantly below the site. standards. No additional hazard abatement action necessary. Certification of abatement issued.

Commercial Property 5/31/2007 Pollution detected in groundwater DEP directed the property owner to Both downgradient wells sampled, pollution 32-34 Newtown Road above standards may threaten a sample the two identified downgradient either not detected or detected but below drinking water well. wells for pollutants detected at the site standards. Original detection found to be and to provide an alternate supply of result of sewer line break. After repairs, potable water/treatment for properties pollution not detected in new well. No further with polluted wells. abatement action required.

Emhart Tecknologies LLC, Heli-Coil Facility 3/29/2012 Polluted groundwater beneath an DEEP directed the property owner to Installed vapor extraction system under 4 Shelter Rock Lane occupied building could affect submit a plan to develop a remedy to affected building. Monitoring program indoor air quality. limit the impact of pollution on indoor implemented for groundwater and soil vapor. air quality and to conduct sensitive receptor survey to evaluate if any residences could be affected by the groundwater plume.

Exxon RAS #3-5664 2/14/2003 Pollution was detected in a DEP reviewed additional sampling data DEP reviewed information provided and 112 Federal Road drinking water well above and determined that pollution is below determined that the two affected wells have standards. standards, and the water is safe for been abandoned, eliminating the exposure risk, human consumption. and that groundwater pollution does not significantly threaten aquatic life. No additional abatement action necessary.

Exxon Station (former) 2/28/2005 Pollution detected in groundwater DEP directed the property owner to Property connected to public water and well 112 Federal Road above standards may threaten a sample the off-site threatened well, properly abandoned. No additional hazard drinking water well. unless arrangements have been made abatement action necessary. Certification of to connect the location to public water. abatement issued.

John's Automotive Service Center 4/22/2008 Pollution detected in groundwater DEP required additional sampling of on- On-site well sampled. Pollution not detected. 85 Mill Plain Road above standards may threaten a site water supply well for pollutants Site connected to municipal water. On-site well drinking water well. detected at the site. not abandoned and used in monitoring program.

Kenosia Well Field 8/7/2015 Pollution was detected in a DEEP directed the property owner to re- Supply well is currently inactive. Pending 18 Christopher Columbus Avenue drinking water well above test the supply wells. additional sampling results from owner. standards. Pollution was detected in a drinking water well but is below standards.

Mobil Service Station #01-GFO 2/9/2005 Pollution detected in groundwater DEP directed the property owner to Four of five water supply wells identified were 112 Newtown Road above standards may threaten a sample the five nearest threatened sampled. One owner denied access. drinking water well. wells and provide bottled water to constituents were not detected in any of the occupants if results exceed standards. supply wells. No additional abatement action necessary. Certification of abatement issued.

Updated as of: Thursday, October 29, 2015 All Districts Page 17 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Danbury Site/location Date Notified Type of Hazard Response Action

Mobil Station # 11722 (01-DVC) 5/21/2010 Pollution detected in groundwater DEP directed the property owner to 2 of 3 nearby wells, where owners allowed 54 Padanaram Road (a) above standards may threaten a sample the nearby identified wells access, were sampled. Pollution not detected. drinking water well. within 500 feet for pollutants detected Groundwater conditions no longer exhibit a at the site. hazard condition. No additional abatement action necessary.

Noaro Property 9/24/2002 Pollution detected in groundwater DEP reviewed additional sampling data Source of pollution removed. No additional 24 Pond Crest Road above standards may threaten a and determined that water in the well at hazard abatement action necessary. drinking water well. risk remained potable and recommended periodic sampling of the well until remediation is complete.

Norbert E. Mitchell Co., Inc. 7/6/2005 Pollution detected in groundwater DEP directed the property owner to One water supply well identified (on-site well) 7 Federal Road above standards may threaten a periodically sample the onsite well for and sampled, pollution not detected. Semi- drinking water well. pollutants detected at the site, until annual monitoring program implemented. polluted soil on the site is remediated. (No other drinking water wells were identified within 500 feet of the site.)

One Stop Cleaners and Tailor Shop 3/10/2015 Pollution detected in groundwater DEEP directed the property owner to All four identified water supply wells sampled. 54 Padanaram Road (b) above standards may threaten a sample the four identified wells within No pollution detected. Further site investigation drinking water well. 500 feet of the site for pollutants ongoing. detected at the site.

Residence 10/23/2012 Pollution was detected in a DEEP directed the property owner to Source of pollution removed. Water treatment 21 Hawthorne Cove Road drinking water well above continue to test the on-site water suppy was installed on on-site supply well. standards. well quarterly for the pollutants detected Neighboring wells tested, where access at the site. DEEP will further evaluate granted, and pollution was not detected. testing at neighboring wells in Pollution not detected for four quarters of conjunction with the local health testing of on-site water supply well. department.

Residence 1/27/2009 Pollution was detected in a DEP reviewed additional sampling data Well resampled, pollution not detected. 5 Timber Crest Drive drinking water well above for the affected well and determined Monitoring program implemented, pollution not standards. pollution is not in fact present in the detected. Impacted soil removed from tank well. DEP directed the property owner grave. No additional abatement action to continue to sample the well and to necessary. Certification of abatement issued. advise DEP of any changes.

Residential Property 1/15/2003 Pollution detected in groundwater DEP reviewed additional sampling data Source of pollution removed. No additional 216 Westville Avenue Ext. above standards may threaten a showing that the well at risk was not hazard abatement action necessary. DEP drinking water well. polluted. recommeded periodic sampling of the well.

Residential Property 9/21/2004 Pollution was detected in a DEP required additional sampling of on- Source of pollution removed. Additional 11 Sturdevant Drive drinking water well above site and nearby wells for pollutants sampling found no detectable pollution. No standards. detected at the site. additional hazard abatement action necessary. Certification of abatement issued.

Updated as of: Thursday, October 29, 2015 All Districts Page 18 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Danbury Site/location Date Notified Type of Hazard Response Action

Texaco Facility #100061 10/15/2002 Pollution detected in groundwater DEP directed the property owner to Twelve wells identified and ten wells sampled. 3 Mountain View Road above standards may threaten a identify and sample nearby wells for Pollution not detected or significantly below drinking water well. pollutants detected at the site. standards. Source of pollution removed. No additional hazard abatement action necessary.

Yankee Gas 4/29/2014 Pollution in the top two feet of soil DEEP reviewed information provided Site access is restricted, limiting access to Pahquioque Avenue may pose a risk to human health and determined that the polluted soil is polluted soils. Groundwater pollution to be as a result of direct contact. in a secure fenced area, limiting the further evaluated to determine the threat to Pollution detected in groundwater potential for contact. DEEP directed the surface water and aquatic life. that discharges to a surface water property owner to evaluate the body may pose a risk to aquatic groundwater pollution to determine the life. threat to surface water. Darien Site/location Date Notified Type of Hazard Response Action

Former Residence 12/9/2013 Pollution detected in groundwater DEEP reviewed the information and No additional abatement action necessary. 155R Nearwater Lane above standards may threaten a determined that the reported condition drinking water well. does not represent a hazard because the results of the subsequent receptor survey indicate that there are no private drinking water supply wells within 500 feet of the property.

Residence 9/3/2014 Pollution detected in groundwater DEEP directed the property owner to Source of pollution removed and monitoring 95 Pembroke Road above standards may threaten a provide sample results for the onsite data shows onsite supply well not impacted. drinking water well. supply well and identify and sample No additional abatement action necessary. nearby wells for pollutants detected at Certification of abatement issued. the site.

Residential Property 2/10/2004 Pollution detected in groundwater DEP directed the property owner to At-risk supply wells sampled and no pollution 31 Hancock Lane above standards may threaten a sample on-site and nearby wells for detected. Groundwater remediation drinking water well. pollutants detected at the site. implemented. No additional hazard abatement action necessary. Certification of abatement issued. Deep River Site/location Date Notified Type of Hazard Response Action

Haynes Materials Company 9/15/2015 Pollution detected in groundwater DEEP reviewed sampling data for the 6 wells identified and 5 wells sampled. 24 Woodbury Road above standards may threaten a threatened wells and determined Pollution not detected. A supplemental drinking water well. pollution is not in fact present in the investigation will be performed to attempt to wells. determine the potential source of the pollution and to delineate the extent of the groundwater .

Updated as of: Thursday, October 29, 2015 All Districts Page 19 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Deep River Site/location Date Notified Type of Hazard Response Action

Parcel 11/10/2003 Pollution was detected in a DEP identified a responsible party and Water treatment system installed by 168 Main Street drinking water well but is below required provision of a safe supply of responsible party at property with polluted well. standards. drinking water. No additional hazard abatement action necessary. Derby Site/location Date Notified Type of Hazard Response Action

DoT property (former) 1/24/2003 Pollution in the top two feet of soil DEP directed the property owner to Polluted soil removed; no additional hazard Main Street may pose a risk to human health submit a plan to eliminate the risk to abatement action necessary. as a result of direct contact. human health. Durham Site/location Date Notified Type of Hazard Response Action

Alliance 1/18/2006 Pollution detected in groundwater DEP directed the property owner to Alliance sampled on-site supply well and wells 24 Main Street above standards may threaten a resample the well on-site and to identify 500 feet away from the site for the pollution drinking water well. and sample wells up to 500 feet away detected at the site. A treatment system was from the site for pollutants detected at installed on one well documented above the site. standards. Alliance will continue to monitor this system.

Durham Firehouse 9/10/2008 Pollution detected in groundwater DEP directed the property owner to The town identified one well within 500 feet of 41-51 Main Street above standards may threaten a sample the onsite supply well and the site and sampled the well. No drinking water well. identify and sample wells up to 500 feet contamination related to the site was detected. away from the site for pollutants detected at the site.

Grippo's Mobil 1/26/2006 Pollution was detected in a DEP directed the property owner to Two potable wells were installed with filter 349 Main Street drinking water well but is below identify and sample wells up to 500 feet systems. There are also two other gasoline standards. away from the site for pollutants stations nearby: former Shell Station and detected at the site. former Dairy Mart. Other potable wells were monitored by other two gasoline stations.

Residential Property 8/29/2005 Pollution detected in groundwater DEP directed the property owner to Pollution source removed, surrounding 220 Main Street above standards may threaten a identify and sample wells onsite and up residences within 500 feet were sampled for drinking water well. to 500 feet away from the site for petroleum. No concentrations of petroleum pollutants detected at the site. were detected in excess of laboratory detection limits. Certification of abatement issued.

Shell Facility #136301 (former) 7/7/2009 Pollution was detected in a DEP required additional sampling of A well receptor survey within a 500-foot radius 336 Main Street drinking water well above onsite and three other nearby identified of the site was conducted and four potable standards. Pollution detected in wells for metals detected at the site. wells were identified. The wells were equipped groundwater above standards with water treatment systems. The operation may threaten drinking water wells. and maintenance of these water treatment systems are ongoing.

Updated as of: Thursday, October 29, 2015 All Districts Page 20 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

East Granby Site/location Date Notified Type of Hazard Response Action

Airport 66 6/24/2013 Pollution detected in groundwater DEEP directed the property owner to Underground tanks and impacted soil removed 150 Rainbow Road above standards may threaten a take actions identified in the and groundwater remediation conducted. drinking water well. notification, to remove impacted soil Monitoring wells sampled and downgradient and groundwater from site during wells did not contain contaminants of concern. (UST) replacement activities

East Granby Citgo 4/28/2008 Pollution detected in groundwater DEP directed the property owner to Onsite groundwater below action levels. 2 School Street above standards may threaten a sample the threatened wells for the drinking water well. pollutants detected at the site, and advise DEP of any changes. DEP also required the owner to continue to evaluate and characterize soil and groundwater impacts. East Haddam Site/location Date Notified Type of Hazard Response Action

7-Eleven Store # 32526 7/29/2008 Pollution detected in groundwater DEP directed the property owner to On-site and downgradient wells were sampled 4 Falls Road above standards may threaten a continue routine sampling of the onsite and no volatile organic chemicals were drinking water well. supply well and to identify and sample detected. On-going monitoring of on-site wells up to 500 feet downgradient from drinking water well and groundwater monitoring the site for pollutants detected at the wells will continue. site.

Cumberland Farms (former) 12/31/2014 Pollution detected in groundwater DEEP directed the property owner to 6 wells identified and 4 wells sampled, pollution 416 East Haddam Moodus Road above standards may threaten a identify and sample nearby wells for either not detected or detected but below drinking water well. pollutants detected at the site. standards. Monitoring program implemented.

Residence 4/3/2012 Pollution detected in groundwater DEEP directed the property owner to On-site and abuting drinking water wells 17 Plains Road [Moodus] above standards may threaten a sample the onsite supply well and sampled. Pollution was non-detect. Continued drinking water well. identify and sample nearby wells for monitoring of drinking water well being pollutants detected at the site. performed by property owner.

Residence 6/23/2014 Pollution detected in groundwater DEEP directed the property owner to Action pending. 24 Way above standards may threaten a sample nearby wells for pollutants drinking water well. detected at the site. East Hampton Site/location Date Notified Type of Hazard Response Action

Belltown Motors 8/1/2011 Pollution detected in groundwater DEP directed the property owner to Belltown Motors completed a receptor survey 80 East High Street above standards may threaten a sample the onsite and nearby identified identifying 13 wells. Twelve of the thirteen drinking water well. wells within 500 feet for pollutants were sampled. One resident refused. No detected at the site. chemicals associated with the site were detected in the drinking water samples.

Updated as of: Thursday, October 29, 2015 All Districts Page 21 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

East Hampton Site/location Date Notified Type of Hazard Response Action

CL&P East Hampton Service Center 4/10/2012 Pollution detected in groundwater DEEP directed the property owner to CL&P sampled the eight identified wells in May 22 East High Street above standards may threaten a sample the threatened wells for the 2012 and the detected compounds were below drinking water well. pollutants detected at the site. standards. These wells were historically sampled by CL&P. CL&P will submit documents to demostrate that plume is stable and risks to these wells are low.

Commercial Parcel 8/18/2005 Pollution detected in groundwater DEP directed the property owner to The potable wells identified were sampled for 5 East High Street & 6 North Main Street above standards may threaten a identify and sample wells up to 500 feet petroleum and it was not detected. drinking water well. away from the site for pollutants Contaminated soils were excavated for offsite detected at the site. disposal. No further action is required.

Ghezzi Motors (former) 8/26/2005 Pollution detected in groundwater DEP directed the property owner to On-site supply well was sampled and was non- 13 Watrous Street above standards may threaten a identify and sample wells up to 500 feet detected. 13 offsite potable wells were drinking water well. away from the site for pollutants identified and sampled. DEEP monitors 7 of detected at the site. them.

Parcel 8/26/2005 Pollution detected in groundwater DEP directed the property owner to Two nearby wells were sampled and target 103 Main Street above standards may threaten a identify and sample wells up to 500 feet compounds were below standards. drinking water well. away from the site for pollutants detected at the site.

Summit Thread Powerhouse (former) 1/13/2009 Pollution in the top two feet of soil DEP reviewed information provided and An engineered control was approved for the 13 Watrous Street may pose a risk to human health determined that warning signs are site to be a paved parking lot. Operation and as a result of direct contact. posted and the polluted soil is in a maintenance of the engineered control is secure and fenced area, limiting the required. potential for contact.

Water Tower Property 7/27/2006 Pollution was detected in a DEP directed the property owner to A well receptor survey was conducted in 2006. Walnut Avenue drinking water well above provide an alternate supply of potable Sampling indicated exceedances of dieldrin. standards. Pollution detected in water for polluted wells and identify and CTDEEP installed treatment systems at those groundwater above standards sample wells up to 500 feet away from properties that have exceedances. may threaten a drinking water the site for pollutants detected at the well. site.

West High Street Area 10/31/2005 Pollution was detected in a DEP directed DoT to resample all wells DoT resampled the wells that had detected West High Street drinking water well above that reported elevated concentrations, and , and bottled water was standards. above standards, of arsenic or lead. provided at the locations where these pollutants were above standards. East Hartford Site/location Date Notified Type of Hazard Response Action

Pratt & Whitney 9/17/2015 Pollution in the top two feet of soil DEEP directed the property owner to Schedule for annual report pending 400 Main Street may pose a risk to human health provide annual status reporting of short as a result of direct contact. term protective measures that have been implemented, until hazard has been abated.

Updated as of: Thursday, October 29, 2015 All Districts Page 22 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

East Hartford Site/location Date Notified Type of Hazard Response Action

Pratt and Whitney 10/31/2011 Pollution in the top two feet of soil DEEP reviewed the information and No specific additional abatement action was 400 Main Street may pose a risk to human health determined that the conditions were required; condition being addressed by site- as a result of direct contact. similar to those in a previous wide RCRA corrective action. notification, and were addressed by actions taken under that notification.

Pratt and Whitney Willgoos Turbine Laboratory 10/31/2008 Pollution in the top two feet of soil DEP directed the property owner to Fence was constructed to prevent access to Pent Road may pose a risk to human health maintain existing fencing that prevents polluted soil and warning signs were posted; as a result of direct contact. access to polluted soil and to remediation will occur following site assesment. implement remediation following complete site assesment.

Pratt and Witney 12/29/2010 Pollution in the top two feet of soil DEP directed the property owner to Site is in a remedial program and impacted soil 400 Main Street may pose a risk to human health maintain fencing and restrict access will be removed following completion of site as a result of direct contact. until the impacted soil is remediated. investigation. Access to impacted soil is restricted by fencing.

Residence 1/8/2008 Polluted groundwater near an DEP directed the property owner to Soil vapor was collected and testing did not 79 Shawnee Road occupied building could affect conduct a soil gas study to determine if detect contaminants that would adversly affect indoor air quality. polluted groundwater poses a risk to indoor air quality. indoor air quality. East Haven Site/location Date Notified Type of Hazard Response Action

Cinque Industrial Park 11/6/2003 Pollution in the top two feet of soil DEP directed the property owner to Property owner submitted plan for investigation. 509 Laurel Street may pose a risk to human health submit a plan to identify the extent of as a result of direct contact. polluted soil, notify site occupants, and limit access to the polluted soil. East Lyme Site/location Date Notified Type of Hazard Response Action

European Auto 8/4/2015 Pollution detected in groundwater DEEP approved the mitigation plan and Action pending. 8 Colton Road above standards may threaten a requested that all wells within 500 feet drinking water well. downgradient be sampled for the pollutants detected at the site.

York Correctional Institution 7/11/2013 Pollution detected in groundwater DEEP reviewed sampling data and No specific hazard abatement action 201 West Main Street above standards may threaten a determined a hazard condition does not drinking water well. currently exist based on the data collected from nearby groundwater monitoring wells and the distance from the source area to the supply wells.

Updated as of: Thursday, October 29, 2015 All Districts Page 23 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

East Windsor Site/location Date Notified Type of Hazard Response Action

Golden Gavel Auction House 2/3/2005 Pollution was detected in a DEP directed the property owner to Origin of Lead pollution determined to be from 149 North Road drinking water well above provide bottled water as an alternate piping in residential property not groundwater. standards, and other pollution supply of potable water until resampling No additional hazard abatement action detected in groundwater above confirms the origin of the pollution necessary since no actionable pollution standards may threaten this reported. condition. drinking water well.

Mobil Service Station #01-E53 (former) 12/6/2005 Pollution detected in groundwater DEP directed the property owner to Receptor survey conducted and drinking water 276 Main Street above standards may threaten a contiune with current plans for site supply wells surrounding subject property were drinking water well. investigation and remediation, and to sampled and were below the detection limit for sample nearby residential wells for the the contaminants of concern. Source of contaminants of concern. pollution removed.

Mobil Service Station #01-GAQ 9/14/2005 Pollution was detected in a DEP directed the property owner to Where access was granted the supply wells 157 North Road drinking water well but is below sample the polluted well quarterly for surrounding the subject property were sampled standards, and pollution detected pollutants detected at the site, and and were below the detection limit for the in groundwater above standards sample identified downgradient wells. contaminants of concern. Continued to sample may threaten drinking water wells. on-site well quarterly. Easton Site/location Date Notified Type of Hazard Response Action

Residence 11/7/2011 Pollution was detected in a DEEP directed the property owner to Monitoring data shows threatened wells not 427 Center Road drinking water well above resample the onsite well for pollutants affected and source of pollution was removed. standards. detected at the site and continue to use No additional abatement action necessary. bottled water, and also recommended Certification of abatement issued. changing the filter in an installed treatment system.

Residence 6/29/2012 Pollution detected in groundwater DEEP is working with the property Source of pollution removed to the extent 220 Banks Road above standards may threaten a owner to investigation the extent of the possible, monitoring program implemented. drinking water well. pollution and to sample the onsite supply well and identify and sample nearby wells for pollutants detected at the site.

Residential Property 10/14/2004 Pollution detected in groundwater DEP directed the property owner to Source of pollution removed. The well water 78 Mile Common above standards may threaten a identify and sample wells onsite and up supply has been determined potable. No other drinking water well. to 500 feet away from the site for wells within 500 feet of release area. pollutants detected at the site. Ellington Site/location Date Notified Type of Hazard Response Action

CRRA Ellington Landfill 9/15/2003 Pollution detected in groundwater DEP directed the property owner to No specific hazard abatement action Sadds Mill Road (Route 140) above standards may threaten a continue to sample the threatened well necessary; threatened well already monitored drinking water well. and report results to DEP. regularly and pollution not detected. Monitoring of well is ongoing under Landfill

Updated as of: Thursday, October 29, 2015 All Districts Page 24 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Ellington Site/location Date Notified Type of Hazard Response Action

O.J. Thrall, Inc. 11/14/2011 Pollution was detected in a DEEP directed the property owner that The supply well is currently not in use. 78 Abbott Road monitoring water well but is below if supply well is reactivated it will be standards. resampled. If still impacted a mitigation plan will be implemented.

Residential Property 11/18/2009 Pollution was detected in a DEP directed the property owner to All residential wells sampled and were non- 132 Mountain Street drinking water well above provide bottled water to impacted detect for petroleum hydrocarbons. standards; pollution was detected properties, continue quarterly Remediation conducted to remove onsite in a drinking water well but is monitoring of drinking water supply underground oil tank. below standards; and pollution wells, expand receptor survey and detected in groundwater above generate a remedial plan to cleanup standards may threaten a remaining impacted soil. drinking water well. Enfield Site/location Date Notified Type of Hazard Response Action

CT DoC Enfield Small Arms Range 7/15/2005 Pollution in the top two feet of soil DEP directed the property owner to Impacted soil excavated and disposed off-site. North side of Sandhill Road may pose a risk to human health submit a plan to eliminate the risk to No additional hazard abatement action as a result of direct contact. human health. necessary. Certification of abatement issued.

D & K Holdings Co., LLC 9/16/2003 Pollution detected in groundwater DEP directed the property owner to DEP installs treatment systems at wells if 114 Broad Brook Road above standards may threaten a identify and sample nearby wells for found to be polluted above standards. DEP drinking water well. pollutants detected at the site. Consent Order with Town provides for subsequent connection of impacted and threatened homes to public water.

D & K Holdings Co., LLC 11/12/2003 Pollution was detected in a DEP directed the property owner to DEP installs treatment systems at wells if 114 Broad Brook Road drinking water well above sample wells up to 1000 feet from the found to be polluted above standards. DEP standards. site for pollutants present at the site. Consent Order with Town provides for subsequent connection of impacted and threatened homes to public water.

Enrico Fermi High School 4/4/2006 pollution in the top two DEP acknowledged actions already Field capped with 6 to 12 inches of clean fill to 124 North Maple Street feet of soil may pose a risk to taken adequately limit access to prevent direct exposure to impacted soil, other human health as a result of direct polluted soil, and requested further grassed areas also covered with clean fill. contact. study to delineate the problem and Certification of abatement issued. develop a remedy, and also evaluate Pollution detected in groundwater potential impact on groundwater. above standards may threaten a drinking water well.

The Hanson-Whitney Company 11/5/2003 Pollution was detected in a DEP recommended the continued use Property now vacant with no water use. No 116 Broad Brook Road drinking water well above of bottled water. DEP indicated it is additional hazard abatement action necessary. standards. also currently evaluating reported Town under order to provide long-term potable pollution in this area. water.

Updated as of: Thursday, October 29, 2015 All Districts Page 25 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Essex Site/location Date Notified Type of Hazard Response Action

Tuscarora Incorporated (former Verplex) 3/3/2003 Pollution in the top two feet of soil DEP reviewed information provided and Soil excavated from polluted area and 25 Middlesex Turnpike may pose a risk to human health determined that the polluted soil had stockpiled for disposal. as a result of direct contact. already been removed to a stockpile for off-site disposal. DEP directed the property owner to provide a report to DEP of the actions taken at the site. Fairfield Site/location Date Notified Type of Hazard Response Action

Fairprene (former) 8/27/2009 Pollution in the top two feet of soil DEP directed the property owner to Site being remediated under Property Transfer 85 Mill Plain Road may pose a risk to human health delineate the extent of surface soil and Program. as a result of direct contact. groundwater exceeding applicable hazard thresholds and eliminate Polluted groundwater beneath an potential exposure pathways. occupied building could affect indoor air quality.

Mercedes Benz of Fairfield 9/27/2013 Pollution in the top two feet of soil DEEP reviewed information provided Access is restricted; no specific abatement 450 Scofield Avenue may pose a risk to human health and determined that the polluted soil is action necessary. as a result of direct contact. under pavement and in a secure and fenced area, limiting the potential for contact.

Railroad Bridge 1/3/2005 Pollution in the top two feet of soil DEP reviewed information provided and Access is restricted because site is in fenced North Benson Road may pose a risk to human health determined that the polluted soil is in a rail corridor; no specific hazard abatement as a result of direct contact. restricted-access rail corridor, limiting action necessary. the potential for contact.

Residential Property 5/6/2014 Pollution detected in groundwater DEEP directed the property owner to Well water sampling results from 191 Hulls 195 Hulls Farm Road above standards may threaten a determine if nearby parcels have supply Farm Road detected no pollution. drinking water well. wells, and sample identified wells within 300 feet of the release for pollutants detected at the site.

Tide Mill 1/29/2009 Polluted groundwater beneath an DEP reviewed sampling data and No specific hazard abatement action necessary 2425 Post Road occupied building could affect determined that the groundwater indoor air quality. pollution does not in fact pose a significant threat to indoor air quality.

Universal Thread Grinding Company 8/26/2002 Polluted groundwater beneath an DEP directed the property owner to Sampling of soil gas shows that pollution levels 30 Chambers Street occupied building could affect submit a plan to determine if indoor air are below levels that pose a significant risk to indoor air quality. quality is being affected and, if so, indoor air. Additional remedial actions recommend a course of action. implemented. Groundwater and soil vapor monitoring program implemented.

Updated as of: Thursday, October 29, 2015 All Districts Page 26 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Farmington Site/location Date Notified Type of Hazard Response Action

College Highway Substation 8/31/2004 Pollution in the top two feet of soil DEP reviewed information provided and Access is restricted; no specific hazard 201 Waterville Road may pose a risk to human health determined that warning signs are abatement action necessary. as a result of direct contact. posted and the polluted soil is in a secure and fenced area, limiting the potential for contact.

Commercial Property 1/24/2005 Pollution was detected in a DEP determined that no action is Well not in use; no specific hazard abatement 232 Colt Highway (Route 6) drinking water well but is below required because the well is the only action necessary. DEP recommended retesting standards, and other pollution well in the area, is currently unused, the well when it is again in service. detected in groundwater above and the detected pollution in it is standards may also threaten this significantly less than the standard. drinking water well.

Dell Manufacturing Company 7/5/2012 Pollution in the top two feet of soil DEEP directed the property owner to Highest concentrations associated with the 4 Right Lane may pose a risk to human health conduct an abatement action which hazard condition were removed. as a result of direct contact. includes removal of PCB-impacted soil.

Farmington Automotive 2/21/2003 Pollution detected in groundwater DEP reviewed additional sampling data No additional hazard abatement action 352 Scott Swamp Road above standards may threaten a for two threatened wells and found no necessary drinking water well. pollution in the well water.

FM2330 12/20/2013 Pollution detected in groundwater DEEP directed the property owner to Threatened well sampled and did not detect 1387 Farmington Avenue above standards may threaten a conduct the proposed abatement any contaminant of concern. Well is being drinking water well. action. The groundwater will be sampled annually until groundwater remediated. sampled and the threatened potable well will be monitored annually. If groundwater conditions change additional abatement actions will be conducted.

Mobil Service Station #01-QQF 5/18/2006 Pollution detected in groundwater DEP directed the property owner to Nearby supply well was sampled and no 435 Main Street above standards may threaten a collect samples from the threatened volatile organic chemicals were detected. On- drinking water well. supply well and provide an alternate site monitoring wells exhibit trend of decreasing supply of drinking water if concentrations. contamination is detected.

Residential Property 10/10/2002 Pollution was detected in a DEP reviewed sampling data and No specific hazard abatement action 231 Coppermine Road drinking water well but is below determined pollution is significantly standards. below standards, and the water is safe for human consumption.

Residential Property 11/5/2004 Pollution was detected in a DEP directed the property owner to A treatment system on the impacted well 74 West Avon Road drinking water well, with some sample the polluted well quarterly and provides potable water. Supply wells on compounds above standards and advise DEP of any changes. abutting properties have been tested and no other compounds below pollution was detected. standards. DEP determined the polluted soil has Polluted soil removed; no hazard additional Pollution in the top two feet of soil already been removed, eliminating the abatement action necessary. may pose a risk to human health exposure risk. as a result of direct contact.

Updated as of: Thursday, October 29, 2015 All Districts Page 27 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Franklin Site/location Date Notified Type of Hazard Response Action

7-Eleven 4/12/2006 Pollution detected in groundwater DEP directed the property owner to Two wells identified and sampled, pollution 15 Route 32 above standards may threaten a identify and sample potable water either not detected or detected but below drinking water well. supply wells up to 500 feet away from standards. the site for pollutants detected at the site.

7-Eleven 8/1/2008 Pollution detected in groundwater DEP required additional sampling of On-site well and two nearby wells sampled and 15 Route 32 above standards may threaten a onsite and two nearby identified wells were not impacted by groundwater plume. drinking water well. for pollutants detected at the site. Ongoing monitoring of groundwater being conducted at the site.

Kahn Tractor & Equipment 11/6/2007 Pollution was detected in a DEP directed the property owner to All wells sampled. On-site well has pollutants 520 Pond Road drinking water well above identify potable water supply wells up present, but filter system installed and standards. to 500 feet away from the site and to maintained by owner. Off-site wells were non- sample downgradient wells pursuant to detect. Long-term monitoring of area wells and a plan previously approved by the maintenance of filter being conducted under Department. approved plan. Glastonbury Site/location Date Notified Type of Hazard Response Action

Best Cleaners 2/6/2006 Pollution detected in groundwater DEP directed the operator to implement Wells identified by investigation were sampled 2759 Main Street above standards may threaten a their proposed actions, including an with no detection of pollution. Site is drinking water well. inventory and sampling of nearby undergoing investigation and remediation potable water supply wells, and also under Property Transfer Program. evaluate the potential for vapor migration into buildings.

Glastonbury Gage (former) 6/11/2003 Pollution in the top two feet of soil DEP directed the property owner to Polluted soil removed; no additional hazard 184 Commerce Street may pose a risk to human health post warning signs and install a fence abatement action necessary. as a result of direct contact. or secure the area to limit contact with the polluted soil. Well retested; source investigation ongoing under Property Transfer Program. Pollution detected in groundwater DEP directed the property owner to that discharges to a surface water resample the groundwater to further body may pose a risk to aquatic evaluate the threat to surface water. life.

Residential Property 6/9/2005 Pollution was detected in a DEP directed the property owner to Remedial system installed; residential water 57 High Ridge Road drinking water well but is below sample the threatened wells supply well sampled and no volatile organic standards. periodically for pollutants detected at compounds detected above standards. Also, the site, and create a long-term no volatile organic compounds detected in monitoring plan. most downgradiant monitoring wells.

Shell Facility #136314 12/3/2003 Pollution detected in groundwater DEP directed the property owner to Three wells identified and sampled, pollution 2088 Hebron Avenue above standards may threaten a identify and sample nearby wells for not detected or significantly below standards. drinking water well. pollutants detected at the site. No further hazard abatement action necessary.

Updated as of: Thursday, October 29, 2015 All Districts Page 28 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Goshen Site/location Date Notified Type of Hazard Response Action

Public Works Department 11/6/2012 Pollution detected in groundwater DEEP directed the property owner to re- On-site well tested; pollution not detected. 38 Torrington Road above standards may threaten a sample the onsite supply well for DEEP advised local health department to drinking water well. pollutants detected at the site. continue to monitor annually. No further abatement action necessary. Certification of abatement issued.

Residence 8/18/2011 Pollution was detected in a DEEP directed the property owner to Ten wells identified within 500 feet and ten 76 Old Middle Street drinking water well above provide treatment for the on-site wells tested. Pollution found at two residences standards, and in another polluted well, continue to monitor above standards and one residence below drinking water well pollution was affected residences, and submit a plan standards. Filter treatment systems installed at detected but is below standards. for evaluating the pollution source. three residences. Monitoring program DEEP to install a treatment system on implemented for 7 residences. other polluted well. Greenwich Site/location Date Notified Type of Hazard Response Action

Cognewaugh Road Area 4/8/2014 Pollution was detected in a DEEP reviewed information and Well that triggered notification has filtration Cognewaugh Road [Cos Cob] drinking water well above sampling data provided and determined system installed. DEEP working with local standards. the well water should pose no risk with health and consultant to evaluate the installation of the proposed in neighborhood. treatment system. DEEP indicated it will be working to further evaluate the water quality in the area.

Commercial Property 6/3/2014 Pollution detected in groundwater DEEP directed the property owner to 8 wells identified and 8 wells sampled, pollution 777 North Street above standards may threaten a sample the onsite supply well and not detected. Monitoring program implemented. drinking water well. identify and sample nearby wells for pollutants detected at the site.

Fairview Country Club 2/7/2008 Pollution detected in groundwater DEP directed the property owner to Identified well was sampled, pollution was not 1241 King Street above standards may threaten a sample the identified wells within 500 detected. Monitoring program implemented. drinking water well. feet for pollutants detected at the site.

Greenwich High School 11/8/2011 Pollution in the top two feet of soil DEEP reviewed information provided No additional abatement action necessary; 10 Hillside Road may pose a risk to human health and determined that the polluted soil is long term remedy implementation continues. as a result of direct contact. in a secure, restricted, and fenced-in area, limiting the potential for contact.

Hasco Electric (former) 10/27/2006 Polluted groundwater beneath an DEP directed the property owner to Extent of groundwater and soil vapor 84 South Water Street occupied building could affect determine the extent of groundwater exceeding hazard threshold criteria appears to indoor air quality. and/or soil gas pollution exceeding the be limited to the on-site building which remains hazard threshold criteria, determine if vacant, so there is no current exposure risk; indoor air is adversely affected, and no wells were identified within 500 ft. identify drinking water wells within 500 feet.

Updated as of: Thursday, October 29, 2015 All Districts Page 29 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Greenwich Site/location Date Notified Type of Hazard Response Action

High Tower Trading, LLC 11/4/2008 Pollution detected in groundwater DEP directed the property owner to Source removed; monitoring program 1275 King Street above standards may threaten a continue sampling the threatened wells implemented. drinking water well. for the pollutants detected at the site and advise DEP of any changes.

Ludor Corporation 8/7/2008 Polluted groundwater beneath an DEP reviewed sampling data and No specific hazard abatement action 371 East Putnam Avenue occupied building could affect determined that the groundwater indoor air quality. pollution does not in fact pose a significant threat to indoor air quality.

Merritt Parkway Rest Stop - Greenwich 3/24/2010 Pollution detected in groundwater DEEP directed the property owner to Action pending. Letters sent out to potentially Merritt Parkway above standards may threaten a sample nearby wells for pollutants affected homeowners requesting to sample drinking water well. detected at the site and to continue to 7/22/2015. operate the groundwater remediation system.

Residence 8/22/2013 Pollution detected in groundwater DEEP reviewed information provided No additional abatement action necessary. 10 Lockwood Drive [Old Greenwich] above standards may threaten a and determined that the source of drinking water well. pollution had been removed and no wells had been identified within 500 feet of the property, thereby eliminating the potential for exposure.

Riverside Cleaners (former) 11/16/2007 Polluted groundwater beneath an DEP directed the property owner to Source of pollution removed. Additional 1130 East Putnam Avenue occupied building could affect determine if indoor air quality is being sampling shows that the pollution does not indoor air quality. affected and, if so, provide a remedial pose a significant risk to indoor air quality. action plan.

William Street Ball Field (Byram Field) 7/29/2015 Pollution in the top two feet of soil DEEP reviewed information provided Action pending. William Street West and Church Street may pose a risk to human health and determined that the polluted soil is as a result of direct contact. in a secured and fenced area limiting the potential for contact. DEEP directed the property owner to post warning signs and develop a monitoring plan. Griswold Site/location Date Notified Type of Hazard Response Action

Griswold C-Store, LLC 6/17/2003 Pollution detected in groundwater DEP directed the property owner to Three wells identified and sampled, pollution 659 Voluntown Road above standards may threaten a resample the on-site well, and identify either not detected or below standards. drinking water well. and sample wells up to 250 feet from the site, for pollutants detected at the site.

Updated as of: Thursday, October 29, 2015 All Districts Page 30 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Groton Site/location Date Notified Type of Hazard Response Action

Colonial Apartments 3/5/2004 Pollution detected in groundwater DEP reviewed additional sampling data No additional hazard abatement action 2350 Gold Star Highway above standards may threaten a showing that the well at risk was not necessary. DEP recommended periodic drinking water well. polluted. retesting until remediation of the site is complete.

Mystic Oral School 1/10/2014 Pollution in the top two feet of soil DEEP directed the property owner to Chainlink fencing and warning signs were Oral School Road [Mystic] may pose a risk to human health inform persons with potential for erected around the areas with shallow soil as a result of direct contact. exposure, post warning signs, and pollution. install a fence or secure the area to limit access to the polluted soil until the site is cleaned up. Guilford Site/location Date Notified Type of Hazard Response Action

AM International / Oce-Bruning / Arkwright 9/5/2013 Pollution detected in groundwater DEEP directed the property owner to Monitoring program implemented. The 385 Long Hill Road above standards may threaten a sample the polluted monitoring well concentration of the pollutant has been at or drinking water well. quarterly for the pollutant detected at under the ground-water protection criterion and the site and advise DEEP of any under the DPH drinking water action level. changes to concentrations.

Mobil Service Station #01-QBA 7/1/2005 Pollution detected in groundwater DEP directed the property owner to Offsite well owner denied access for sampling. 1164 Boston Post Road above standards may threaten a identify and sample wells up to 500 feet Downgradient wells on site have been non- drinking water well. away from the site for pollutants detect for the target compounds. Additional detected at the site. monitoring is ongoing.

Residential Property 6/23/2006 Pollution was detected in a DEP directed the property owner to A treatment system has been provided to 103 Daniel Avenue drinking water well above maintain and monitor an installed remove constituents of concern from the standards. treatment system for the polluted well, affected water supply well. provide a list of wells inventoried in the area, and expand the sampling program to other nearby wells. Haddam Site/location Date Notified Type of Hazard Response Action

CT Yankee Atomic Power Co. 8/11/2003 Pollution in the top two feet of soil DEP directed the property owner to Polluted soil removed; no additional hazard 362 Injun Hollow Road may pose a risk to human health install a fence to limit access to the abatement action necessary. as a result of direct contact. polluted soil until the site is cleaned up.

Hall Farm Estate 11/1/2006 Pollution above standards was DEP requested the notifier's client Wells in vicinity of a suspected release area Haddam Neck Road detected in a total of six drinking and/or property owner to provide an have been identified and sampled; bottled water wells, two of which are not alternate supply of potable water to water is being provided to affected residences. in use. Pollution below standards properties with wells polluted above was detected in two drinking Drinking Water Standards, and to water wells. provide a plan to monitor affected and potentially affected wells.

Updated as of: Thursday, October 29, 2015 All Districts Page 31 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Haddam Site/location Date Notified Type of Hazard Response Action

Jaspers (former) 12/31/2007 Pollution detected in groundwater DEP directed the former property owner Groundwater sampled in 11 residential wells 206 Saybrook Road above standards may threaten a to resample the onsite supply well and within 500 feet of the subject site. No drinking water well. identify and sample wells up to 500 feet contaminants associated with the notification away from the site for pollutants (SEHN) were identified in groundwater in any detected at the site. of the residential water supply wells.

Maple Avenue Area (Higganum) 9/15/2005 Pollution was detected in drinking DEP directed the notifying party to DEP provided a filter system to one residential Maple Avenue [Higganum] water wells above standards; provide bottled water to property with property. DoT has provided bottled water to also, pollution was detected in polluted wells above criteria, and to several businesses. other drinking water wells but is establish a long-term monitoring below standards. program for the impacted wells.

Mike's Auto Service LLC 1/17/2007 Pollution was detected in a DEP reviewed data for the affected No additional hazard abatement action 1573 Saybrook Road drinking water well but at a level well, and determined contamination in necessary. substantially below standards. the well is significantly below standards, and the water is safe for human consumption.

Tylerville BP Facility #61-11042 (former) 6/23/2009 Pollution detected in groundwater DEP directed the property owner to 19 wells identified and 16 wells sampled, 2 1598 Saybrook Road above standards may threaten a sample the onsite supply well, sample commercial properties with pollution above drinking water well. wells within 500 ft. that have not yet standards found, advised of condition, and are been sampled, and provide sample now using bottled water as an alternative results and a map of supply well supply. Monitoring and DEP actions ongoing. locations previously identified.

Tylerville BP Facility #61-11042 [Former] 5/9/2011 Pollution detected in groundwater DEP recommended actions to be taken Site is now under DEEP enforcement order. 1598 Saybrook Road above standards may threaten a in a letter addressed to Mr. Michael Responsible party is actively monitoring drinking water well. Devino, dated May 18, 2011. Please potable water wells in the area. refer to this letter for the recommended actions. Hamden Site/location Date Notified Type of Hazard Response Action

Cables Property 8/21/2007 Pollution detected in groundwater DEP directed the property owner to Two wells were identified within 750 ft.: 87 87 Kimberly Road above standards may threaten a sample the onsite supply well and Kimberly was sampled and non-detect , 61 drinking water well. identify and sample any wells up to 750 Kimberly could not be sampled because the feet away from the site for pollutants property is condemned. Sampled well detected at the site. pollutants were found at levels below drinking water standards.

Updated as of: Thursday, October 29, 2015 All Districts Page 32 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Hamden Site/location Date Notified Type of Hazard Response Action

Laurel View Country Club 6/30/2006 Pollution detected in groundwater DEP directed the property owner to Downgradient supply wells along Paradise Ave. 310 West Shepard Avenue above standards may threaten a identify and sample onsite (if any) and sampled, all non-detect. On-site soil sampling drinking water well. nearby wells for pollutants detected at non-detect for volatile organic chemicals and the site. petroleum.

DEP indicated that notification Petroleum is not a defined significant hazard; regarding petroleum hydrocarbons in no action was required. Pollution in the top two feet of soil surface soil is not required under the may pose a risk to human health law. as a result of direct contact. Hartford Site/location Date Notified Type of Hazard Response Action

151 New Park LLC 10/6/2008 Pollution in the top two feet of soil DEP directed the property owner to Temporary containment in place with fencing. 151 New Park Avenue may pose a risk to human health investigate the site under the Property Extent of hazard not yet delineated. Site as a result of direct contact. Transfer Program and maintain currently being remediated under the Property temporary containment with vegetation Transfer Program. and fencing to limit access to polluted soil until exposure risk is eliminated.

Hartford Economic Development Commission 11/25/2002 Pollution in the top two feet of soil DEP reviewed information provided and Access to polluted soil is limited; no specific 13 Wolcott Street may pose a risk to human health determined the polluted soil is under hazard abatement action necessary. as a result of direct contact. pavement and in a fenced area, limiting the potential for contact.

Residence 6/12/2008 Pollution in the top two feet of soil DEP directed the property owner to All lead hazards have been abated to meet 19 Julius Street may pose a risk to human health submit a work plan with a schedule to lead abatement program requirements. as a result of direct contact. remove lead paint impacted soil.

Residence 5/1/2012 Pollution in the top two feet of soil DEEP directed the property owner to Soil removal conducted following house 465-467 New Britain Avenue may pose a risk to human health implement plan to remove and replace restoration. as a result of direct contact. contaminated soil.

Residential Property 12/4/2008 Pollution in the top two feet of soil DEP directed the property owner to Area covered with temporary plastic tarp until 514-516 Hillside Avenue may pose a risk to human health conduct work to mitigate lead paint soil removed pursuant to work plan. as a result of direct contact. contaminated soil proposed in a submitted soil abatement plan.

Residential Property 10/28/2009 Pollution in the top two feet of soil DEP reviewed information provided and Impacted soil covered with plastic until the area 308 Edgewood Street may pose a risk to human health determined that the polluted soil is is excavated and soil is removed. as a result of direct contact. covered by plastic, limiting the potential for contact, and will be evalauted and removed upon completion of the painting project.

Updated as of: Thursday, October 29, 2015 All Districts Page 33 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Hartford Site/location Date Notified Type of Hazard Response Action

Residential Property 12/4/2008 Pollution in the top two feet of soil DEP reviewed information provided and Area covered with temporary plastic tarp until 279-281 Sargeant Street may pose a risk to human health determined that the polluted soil is soil removed pursuant to work plan. as a result of direct contact. covered by plastic, limiting the potential for contact, and will be evalauted and removed upon completion of the painting project.

South Meadows Station, Mid-Connecticut RRF 12/23/2002 Pollution in the top two feet of soil DEP reviewed information provided and Access to polluted soil is limited; no specific Reserve Road (Gate 20) may pose a risk to human health determined that warning signs are hazard abatement action necessary. as a result of direct contact. posted and the polluted soil is in a secure and fenced area, limiting the potential for contact. Harwinton Site/location Date Notified Type of Hazard Response Action

Harwinton Citgo 4/15/2008 Pollution was detected in a DEP directed the property owner to Water treatment system installation completed/ 166 Burlington Road drinking water well above continue providing bottled water until a tested. Monitoring program continued for standards. Pollution was detected filter system is installed on the threatened wells. in a different drinking water well impacted well, and implement a but is below standards. monitoring program for threatened wells.

Harwinton Citgo 7/19/2005 Pollution was detected in a DEP directed the property owner to Investigated all wells and hooked up impacted 166 Burlington Road drinking water well, with some sample the threatened wells wells to municipal water. compounds above standards and periodically for pollutants detected at other compounds below the site, and connect the affected standards. property to municipal water service.

Reynolds Foundry (former) 2/17/2012 Pollution detected in groundwater DEEP directed the propety owner to Receptor survey was conducted and the 131 Clearview Ave above standards may threaten a implement the actions proposed in part downgradient wells were tested detecting no drinking water well. IV of the Signigicant Environmental contaminants of concern Hazard Notiification, which include identifying and sampling nearby supply wells and further evaluating the source of pollution. Hebron Site/location Date Notified Type of Hazard Response Action

Hebron Citgo 5/17/2006 Pollution detected in groundwater DEP directed the property owner to Water main installed in 2009 through Consent 70 Main Street above standards may threaten a identify and sample wells up to 500 feet Order. All impacted wells connected to public drinking water well. away from the site for pollutants water. Other wells are monitored by Drake detected at the site. Petroleum.

Hebron XtraMart 12/23/2003 Pollution detected in groundwater DEP directed the property owner to Water main was installed in 2009 through a Route 66 & Route 316 above standards may threaten a identify and sample wells up to 500 feet Consent Order. All impacted wells were drinking water well. from the site for pollutants detected at connected to public water. No further the site. abatement action necessary.

Updated as of: Thursday, October 29, 2015 All Districts Page 34 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Hebron Site/location Date Notified Type of Hazard Response Action

Hebron XtraMart (Drake Petroleum) 7/19/2006 Pollution was detected in a DEP required additional sampling of Water main installed in 2009 through Consent 37 Main Street drinking water well but is below nearby identified wells within 500 feet Order. All impacted wells connected to public standards. for pollutants detected at the site. water. No further abatement action necessary. Kent Site/location Date Notified Type of Hazard Response Action

Bulls Bridge Garage 12/12/2008 Pollution detected in groundwater DEP directed the property owner to Well receptor survey found drinking water wells 337 Kent Road (US Route 7) above standards may threaten a continue to sample the on-site supply on adjacent properties. On and off-site wells drinking water well. well and to identify and sample wells up sampled and pollution not detected. Quarterly to 500 feet away from the site for monitoring program implemented for on-site pollutants detected at the site. and nearest off-site well.

Kent Substation 5/12/2004 Pollution in the top two feet of soil DEP reviewed information provided and Initially access to polluted soil was restricted Route 341 may pose a risk to human health determined that warning signs are within a fenced electrical substation. Polluted as a result of direct contact. posted and the polluted soil is in a soils were removed in April 2008. No further secure and fenced area, limiting the abatement action is necessary. potential for contact. Killingly Site/location Date Notified Type of Hazard Response Action

Commercial Property 12/11/2007 Pollution detected in groundwater DEP directed the property owner to Several wells identified and 9 wells sampled, 405 Lake Road above standards may threaten a assess the impact to downgradient pollution either not detected or detected but drinking water well. receptors in consultation with the DEP. below standards. DEEP sampled wells through 2012 and determined no further monitoring necessary.

Dayville XtraMart 8/25/2008 Pollution detected in groundwater DEP directed the property owner to Monitoring plan impemented. 439 Hartford Turnpike (Route 101) above standards may threaten a sample the polluted wells quarterly for drinking water well. the pollutants detected at the site. DEP also requested that the property owner implement a proposed soil vapor survey.

Hopkins Wellfield 12/27/2007 Pollution detected in groundwater DEP directed the property owner to Crystal Water Company continues to sample south of intersection Rt 12 & Rt 101 above standards may threaten a sample the threatened and polluted this well. drinking water well. wells periodically for the pollutants detected at the site, and advise DEP of any changes.

MPI Label Systems 8/7/2007 Pollution was detected in a DEP directed the property owner to Carbon filters installed at two homes. On- 24 Doring Drive drinking water well above provide bottled water to the properties going monitoring being performed by DEEP. standards. Pollution was detected with polluted wells. in a different drinking water well but is below standards.

Updated as of: Thursday, October 29, 2015 All Districts Page 35 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Killingly Site/location Date Notified Type of Hazard Response Action

Powdrell & Alexander Mill 6/3/2014 Pollution in the top two feet of soil DEEP directed the property owner to Warning signs posted and fence installed to 42 Maple Street may pose a risk to human health inform persons with potential for limit the potential for contact with polluted soil. as a result of direct contact. exposure, post warning signs, and install a fence to limit access to the polluted soil until the site is cleaned up.

Roadway Express (Former) 9/22/2015 Pollution detected in groundwater DEEP directed the property owner to Action pending. 574 Westcott Road [Danileson] above standards may threaten a sample the onsite supply well and drinking water well. identify and sample nearby wells for pollutants detected at the site. Ledyard Site/location Date Notified Type of Hazard Response Action

Mobil Home Park 4/9/2003 Pollution detected in groundwater DEP directed the property owner to New well drilled on property. 940 Long Cove Road above standards may threaten a provide treatment for polluted wells, drinking water well. and a report of additional actions taken.

Pollution in top two feet of soil DEP reviewed information provided and Polluted soil removed; no additional hazard may pose a risk to human health determined the polluted soil has been abatement action necessary. as a result of direct contact. removed, eliminating the exposure risk. Lisbon Site/location Date Notified Type of Hazard Response Action

Lisbon Mobil 4/22/2009 Pollution detected in groundwater DEP directed the property owner to Well survey completed. Nearby wells sampled 107 River Road above standards may threaten a identify and sample wells up to 500 feet for pollutants present and no contaminants drinking water well. away from the site for pollutants detected. Site undergoing long term detected at the site. monitoring. Litchfield Site/location Date Notified Type of Hazard Response Action

Bantam Shell 9/12/2014 Pollution detected in groundwater DEEP directed the property owner to Two of the three nearest potable wells (one 827 Bantam Road (Rt 202) above standards may threaten a perform the proposed further refused access) sampled in Oct 2014. No drinking water well. delineation and to complete well pollution detected. Further site investigation receptor survey. ongoing.

Commercial Property 1/24/2011 Pollution detected in groundwater DEP directed the property owner to Nearby wells re-sampled in February 2011 to 725 Bantam Road above standards may threaten a sample identified nearby wells for confirm that the 2007 hazard condition had not drinking water well. pollutants detected at the site. impacted any of the nearby wells. All results were non-detect. No additional abatement action necessary. Certification of abatement issued.

Updated as of: Thursday, October 29, 2015 All Districts Page 36 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Lyme Site/location Date Notified Type of Hazard Response Action

Residence 9/26/2014 Pollution was detected in a DEEP directed the property owner to Filter system installed at both on-site wells. 22 Selden Road drinking water well above provide install a filter before the vacant Filter system installation at adjacent property standards. property is reoccupied. DEEP also pending. Neighborhood evaluation by DEEP is indicated it would further evaluate the underway. neighborhood to identify the extent and source of the problem. Madison Site/location Date Notified Type of Hazard Response Action

East River Foundry (former) 4/5/2007 Pollution detected in groundwater DEP directed the property owner to Groundwater threat to surface water evaluated 82 Nathans Lane that discharges to surface water evaluate the nature, extent and degree for site specific conditions and determined to may pose a threat to aquatic life. of groundwater pollution to determine not significantly impact surface water and the threat to surface water and aquatic aquatic life. Closest potable well sampled; life near the site, and also provide pollution not detected. No further abatement sample results for drinking water wells. necessary.

East River Foundry (former) 2/15/2005 Pollution detected in groundwater DEP directed the property owner to Groundwater threat to surface water evaluated 82 Nathans Lane that discharges to surface water submit a plan to evaluate the pollution for site specific conditions and determined to may pose a risk to aquatic life. migration and the threat to surface not significantly impact surface water and water and aquatic life. aquatic life. Manchester Site/location Date Notified Type of Hazard Response Action

Commercial Property 10/16/2007 Pollution in the top two feet of soil DEP directed the property owner to Receptor survey was conducted and no 42 Prospect Street may pose a risk to human health install a fence and post signs around potable supply wells were identified. Lead was as a result of direct contact. the impacted area. DEP also required not detected in the groundwater. submittal of receptor survey information and additional sampling of groundwater for lead.

Commercial Property 2/21/2006 Pollution was detected in a DEP directed the property owner to No wells identified within 500 ft down gradient. 5 & 7 Tolland Trunpike drinking water well above provide an alternate supply of potable A carbon filter system has been installed on standards. water and identify wells within 500 feet. the onsite impacted well.

Dean Machine/Precision Metals Testing (former) 11/15/2004 Pollution detected in groundwater DEP indicated it is already aware of this Threatened well is monitored by the Town. 102 Colonial Road & 372 Progress Drive above standards may threaten a condition; and that the party submitting drinking water well. the notification was not required to do so under the law.

Gulf Gasoline Station 12/1/2004 Pollution was detected in a DEP directed the property owner to Receptor survey was conducted identifying 2 128 Tolland Turnpike drinking water well but is below resample the supply well periodically potable wells. Wells were sampled for standards. until a filter is installed or a public water contaminant of concern and both were below connection is made. drinking water action level.

Updated as of: Thursday, October 29, 2015 All Districts Page 37 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Manchester Site/location Date Notified Type of Hazard Response Action

Mobil Service Station No. 01-QQ5 6/9/2010 Pollution detected in groundwater The DEP directed the property owner to No wells were found to be within 500 feet of the 240 Middle Turnpike West above standards may threaten a confirm if a neigboring supply well groundwater pollution; no additional abatement drinking water well. exists and, if so, sample the well for action necessary. Certification of abatement pollutants detected at the site. issued.

Residence 7/13/2012 Pollution in the top two feet of soil DEEP directed the property owner to Soil to be removed following house 159 School Street may pose a risk to human health provide an abatement plan to remove restoration. Soil removal project is out to bid. as a result of direct contact. impacted soil.

Town of Manchester Charter Oak Well Field 6/6/2008 Pollution was detected in a DEP directed the Town to identify and Receptor survey identifed one private supply 192 Charter Oak Street drinking water well but is below sample other nearby supply wells and well; water sample did not detect contaminants standards. Pollution detected in develop a work plan to investigate the above drinking water standards. groundwater above standards source area of the pollution. may threaten a drinking water well. Mansfield Site/location Date Notified Type of Hazard Response Action

Dick's Automotive 12/14/2007 Pollution detected in groundwater DEP directed the property owner to Eastern Highlands Health District sampled 644 Middle Turnpike above standards may threaten a sample the onsite supply well and drinking water wells in the area and no impacts drinking water well. identify wells up to 500 feet away from were noted. the site.

Husky Mobil (Drake Petroleum Co) 12/27/2007 Pollution was detected in a DEP directed the property owner to Sampling of neighboring well performed. 607 Middle Turnpike (Route 44) [Storrs] drinking water well above sample the onsite supply well and Carbon filter installed. DEP issued Order to standards. Pollution detected in identify and sample wells up to 500 feet Drake Petroleum for pollution abatement and groundwater above standards away from the site for pollutants monitoring and maintenance of Carbon filter. may threaten a drinking water detected at the site. well.

Martys Service Center 6/9/2015 Pollution detected in groundwater DEEP required additional sampling of Action pending. 575 Middle Turnpike above standards may threaten a nearby identified wells within 500 feet drinking water well. for pollutants detected at the site.

Mobile Service Station #01-G1P 8/30/2007 Pollution detected in groundwater DEP directed the property owner to Alex Caisse Spring well located about 300 feet 7 Storrs Road above standards may threaten a provide a copy of the already from site. Spring has not been impacted by drinking water well. completed sensitive receptor survey, plume. No other wells or receptors identified. and investigate sidegradient and Ongoing monitoring being performed at the site. downgradient surface water features within 500 feet of the release for signs of surface water contamination.

Residential Property 10/17/2003 Pollution detected in groundwater DEP directed the property owner to Additional sampling conducted, pollution not 986 Storrs Road above standards may threaten a identify and sample nearby wells for detected or below standards. drinking water well. pollutants detected at the site.

Updated as of: Thursday, October 29, 2015 All Districts Page 38 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Mansfield Site/location Date Notified Type of Hazard Response Action

Stearns Farm 2/13/2015 Pollution detected in groundwater DEEP directed the property owner to Five wells identified and five wells sampled, 50 Stearns Road above standards may threaten a sample the onsite supply well and pollution either not detected or detected but drinking water well. identify and sample wells up to 500 feet below standards. Monitoring program away from the site for pollutants implemented. detected at the site. Marlborough Site/location Date Notified Type of Hazard Response Action

Old Marlborough Village 10/9/2002 Pollution was detected in a DEP reviewed information provided and Further sampling to be conducted as part of 74 South Main Street drinking water well but is below determined the pollution in the well was public water supply monitoring as required by standards. below standards, and the water is safe Department of Public Health. for human consumption. Meriden Site/location Date Notified Type of Hazard Response Action

Yankee Gas Services Company 2/3/2015 Pollution detected in groundwater DEEP directed the property owner to Three surface water samples were collected 56 Cooper Street that discharges to a surface water evaluate the nature, extent and degree and Zinc was not detected. Monitoring of body may pose a risk to aquatic of groundwater pollution and to groundwater at site is ongoing. Surface water life. determine the threat to surface water will be sampled again in the future if Zinc and aquatic life near the site. exceeds standard in groundwater again. Middlebury Site/location Date Notified Type of Hazard Response Action

Lake Quassapaug Amusement Park, Inc. 5/3/2010 Pollution detected in groundwater DEP directed the property owner to Source of pollution removed. Two supply wells 2132 Middlebury Road above standards may threaten a sample the onsite supply well and identified and two wells tested. Pollution not drinking water well. identify and sample wells up to 500 feet detected. Monitoring program implemented for away from the site for pollutants groundwater and supply wells. detected at the site.

TranFarm Associates I, LLC 9/4/2003 Pollution was detected in a DEP reviewed additional sampling data No additional hazard abatement action 124 Tranquility Road drinking water well, with one and determined pollution is significantly necessary. DEP recommended periodic compound above standards and below standards, and the water is safe sampling for the pollutants detected at the site. one compound below standards. for human consumption. Middlefield Site/location Date Notified Type of Hazard Response Action

140 West Street, LLC 8/1/2014 Pollution was detected in a DEEP requested the owner install a A carbon filter was installed in August 2014. 140 West Street drinking water well but is below carbon filter as planned and periodically Monitoring and maintenance of the filtration standards. test the water. system is conducted on a quarterly basis. Post- filter samples show non-detected.

Updated as of: Thursday, October 29, 2015 All Districts Page 39 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Middlefield Site/location Date Notified Type of Hazard Response Action

Lakeside Mini Market 4/21/2014 Pollution detected in groundwater DEEP directed the property owner to Onsite potable well was sampled for petroleum 275 Baileyville Road above standards may threaten a sample the onsite threatened wells and volatile organic chemicals and none were drinking water well. periodically for the pollutants detected detected, however additional substances will at the site, and to identify and sample also be tested. A well receptor survey by owner any wells within 500 feet of the site. is pending. Middletown Site/location Date Notified Type of Hazard Response Action

Best Cleaners 2/28/2006 Pollution detected in groundwater DEP directed the property owner to One potable well was identified and tested. Site 522 South Main Street above standards may threaten a implement their proposed plan which pollutants were not detected in the well water. drinking water well. includes sampling of the potable well Site groundwater is monitored on an annual identified. basis.

Bills Auto Parts 11/18/2004 Pollution was detected in a DEP directed the property owner to Source of pollution removed, and monitoring 1462 Saybrook Road drinking water well below identify and sample wells up to 500 feet data shows affected supply wells are standards. away from the site for pollutants significantly below standards. DEEP sampled detected at the site, and to provide in 2013, found pollution was below standards, Pollution detected in groundwater bottled water or treatment for property and recommended well owners test their wells above standards may threaten a with polluted wells. on a periodic basis. drinking water well.

Color Mart 3/22/2004 Pollution was detected in a DEP reviewed additional sampling data No additional hazard abatement action 41 Broad Street drinking water well but is below and determined pollution is below necessary. standards. standards, and the water is safe for human consumption. DEP recommended periodic sampling of the well until completion of planned connection to public water.

CT DoT Maintenance Facility 1/27/2004 Pollution detected in groundwater DEP directed the property owner to A well receptor survey was completed and Paddock Road above standards may threaten a sample identified wells up to 500 feet identified 6 residential wells. These wells were drinking water well. from the site for pollutants detected at tested for volatile organic chemicals in 2004 the site. and 2010 and none were detected.The leaking line was replaced and impacted soil was removed.

Long Lane School 2/17/2012 Pollution in the top two feet of soil DEEP staff are already involved with a No specific abatement action necessary. The 170 Long Lane may pose a risk to human health detailed cleanup of the site. The site is hazard conditions are being addressed by on- as a result of direct contact. secure and there are plans to deal with going soil excavation. any remaining contamination throughout the site including but not limited to and coal ash.

Updated as of: Thursday, October 29, 2015 All Districts Page 40 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Middletown Site/location Date Notified Type of Hazard Response Action

Long Lane School 10/10/2007 Pollution in the top two feet of soil DEP directed the property owner to DEEP reviewed information provided and 170 Long Lane may pose a risk to human health continue to provide information to the determined that warning signs are posted and as a result of direct contact. Department as part of a continued site the polluted soil is in a secure and fenced area, wide investigation and remediation. The limiting the potential for contact. property is under DEP oversight for remediation due to a 1999 property transfer.

Quality Insulation, Inc. 4/29/2005 Pollution detected in groundwater DEP directed the property owner to Wells identified and sampled. No additional 1996 Saybrook Road above standards may threaten a sample all identified wells within 500 hazard abatement action necessary. drinking water well. feet for pollutants detected at the site.

Sumner Creek LLC 1/5/2007 Pollution detected in groundwater DEP directed the property owner to Nine monitoring wells have been installed at 20 Mill Street that discharges to a surface water resample the groundwater to further the site. Zinc and copper continue to exceed body may pose a risk to aquatic evaluate the threat to surface water and the standards. The site is addressed under the life. aquatic life. Property Transfer Program.

Wesleyan University Long Lane Campus 5/17/2007 Presence of coal ash throughout DEP directed the property owner to DEEP reviewed information provided and 170 Long Lane the site may pose a risk to human continue to provide information to the determined that warning signs are posted and health as a result of direct contact. Department as part of a continued site the polluted soil is in a secure and fenced area, wide investigation and remediation. The limiting the potential for contact. property is under DEP oversight for remediation due to a 1999 property transfer. Milford Site/location Date Notified Type of Hazard Response Action

120 Wampus LLC 11/15/2012 Polluted groundwater beneath an DEEP reviewed sampling data and No specific abatement action necessary. 120 Wampus Lane occupied building could affect determined that the groundwater indoor air quality. pollution does not in fact pose a significant threat to indoor air quality.

Commercial Property 12/8/2006 Polluted soil gas beneath an DEP directed the property owner to No potable water supply wells within 500 ft. 561-587 New Haven Avenue occupied building could affect characterize the extent of impact on Investigations characterize groundwater indoor air quality. groundwater and soil gas, assess the pollution resulting from releases. Sub-slab soil indoor air quality, propose controls to vapor sampling and indoor air monitoring mitigate this impact, and conduct an performed. Soil vapor extraction system inventory of water supply wells within installed and operating. 500 feet of the site.

Commercial Property 2/15/2007 Pollution in the top two feet of soil DEP directed property owner to submit No potable water supply wells within 500 ft. 561-587 New Haven Avenue may pose a risk to human health letter report of actions as stated in Investigations characterize groundwater as a result of direct contact. DEP's 12/18/2006 acknowledgement pollution resulting from releases. Sub-slab soil letter regarding similar hazard vapor sampling and indoor air monitoring Polluted groundwater beneath an condition. Notification of conditions not performed. Soil vapor extraction system occupied building could affect required per statute, as pollution installed and operating. indoor air quality. reported was below thresholds.

Updated as of: Thursday, October 29, 2015 All Districts Page 41 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Milford Site/location Date Notified Type of Hazard Response Action

Devon Generating Station 10/19/2006 Pollution in the top two feet of soil DEP directed the property owner to Polluted soil removed; no additional abatement 734 Naugatuck Avenue may pose a risk to human health post a sign, notify people with the action necessary. Certification of abatement as a result of direct contact. potential for exposure to the surface issued. soil, and maintain security around the site and the secondary containment around the tank to limit access to the surface soil. Monroe Site/location Date Notified Type of Hazard Response Action

Alpha Typesetting (former) 7/6/2006 Pollution detected in groundwater DEP directed the property owner to 9 wells were identified and 3 wells sampled 618 Main Street above standards may threaten a sample nearby identified wells for (access was only granted for these 3 wells). drinking water well. pollutants detected at the site. Pollution was not detected. Petroleum hydrocarbons were not detected in groundwater collected from the on-site wells during two years of periodic monitoring.

BP Service Station # 1122 (former) 12/11/2002 Pollution was detected in a DEP directed the property owner to Quarterly sampling of water supply wells was 172 Main Street drinking water well but is below conduct long term sampling of polluted conducted from 2003 through 2006, standards. wells for pollutants detected at the site, concentrations were less than drinking water or to provide a safe supply of drinking action level. Periodic sampling is ongoing. water.

Cyclone Car Wash, LLC 6/30/2006 Pollution detected in groundwater DEP reviewed additional data and No additional hazard abatement action 178 Main Street above standards may threaten a determined pollution from this source is necessary. drinking water well. not affecting nearby wells.

Pollution in the top two feet of soil DEP determined that the reported soil Polluted soil is not exposed at the surface or may pose a risk to human health condition is exempted from the located within the top two feet, which is the as a result of direct contact. requirement for notification under the zone defined in the law as a potential hazard law. condition.

Main Street Area 11/29/2010 Pollution was detected in a DEP directed the property owner to Monitoring data shows threatened wells not Main Street drinking water well above provide an alternate supply of potable affected. No additional abatement action standards. water to the tenants. DEP retested the necessary. Certification of abatement issued. on-site supply well and sampled nearby wells for pollutants detected at the site.

Residence 10/8/2014 Pollution detected in groundwater DEEP directed the property owner to 1 additional well identified within 500 feet of the 82 Hannah Lane above standards may threaten a sample the onsite and nearby identified property; 2 potable wells were sampled and drinking water well. wells for pollutants detected at the site. pollution was not detected. Monitoring program implemented.

Updated as of: Thursday, October 29, 2015 All Districts Page 42 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Monroe Site/location Date Notified Type of Hazard Response Action

Residence 12/28/2007 Pollution detected in groundwater DEP directed the property owner to Source of pollution removed, and monitoring 55 Sentry Hills Road may threaten a drinking water conduct a drinking water supply well data shows on-site private well is not affected. well. inventory within a 500 ft radius of the No additional abatement action necessary. property and sample on-site well and Certification of abatement issued. any at-risk wells for the pollutants detected at the property.

Residence 8/6/2013 Pollution was detected in a DEEP directed the property owner to Onsite well sampled, pollution not detected. No 9 Hillcrest Road drinking water well but is below resample the onsite supply well and additional abatement action necessary. standards. identify nearby wells. Certification of abatement issued.

Residential Property 9/9/2005 Pollution was detected in a DEP reviewed additional sampling data Source of pollution removed, and monitoring 1068 Monroe Turnpike drinking water well but is below for the affected well and determined data shows affected well is below standards. standards. that the reported pollution was not No additional abatement action necessary. confirmed as present, and the water is Certification of abatement issued. safe for human consumption.

Route 25 Auto Collision 1/7/2008 Pollution detected in groundwater DEP directed the property owner to Monitoring program implemented. 256 Main Street above standards may threaten a sample the onsite supply well quarterly drinking water well. for the pollutants detected at the site and report the results to DEP and the local Health Director.

Route 25 Auto Collision 8/7/2006 Pollution detected in groundwater DEP directed the property owner to Monitoring program implemented 256 Main Street above standards may threaten a identify and sample wells up to 500 feet drinking water well. away from the site for pollutants detected at the site.

Route 25 Powersports 4/25/2014 Pollution detected in groundwater DEEP directed the property owner to Two supply wells sampled for petroleum 126 Main Street above standards may threaten a sample the onsite supply well and hydrocarbons and none were detected. drinking water well. supply wells identified within 500 feet of the site for pollutants detected at the site.

Stevenson Hydroelectric Facility 2/14/2011 Pollution in the top two feet of soil DEP directed the property owner to Site access is restricted by fencing. Full 1 Roosevelt Drive may pose a risk to human health cover the polluted soil, post warning remediation scheduled for 2012. as a result of direct contact. signs, install fencing to restrict access to the polluted soil until the site is remediated, and inform persons with potential for exposure to the polluted soil.

Updated as of: Thursday, October 29, 2015 All Districts Page 43 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Montville Site/location Date Notified Type of Hazard Response Action

Ash disposal site 5/29/2007 Pollution detected in groundwater DEP directed the property owner to Nearby drinking water wells were sampled and 128 Moxley Road above standards may threaten a fence the area, assess the potential for were non-detect for the pollutants at the site. drinking water well. the contaminated surface water to impact an upgradient pond and water On-going evaluation of surface water body Pollution detected in groundwater supply well, and develop a plan to being conducted. that discharges to a surface water abate impacted surface and ground body may pose a risk to aquatic water. life.

Bonville Brothers Property (former) 3/30/2009 Pollution detected in groundwater DEP directed the property owner to Well inventory completed and 3 closest wells 291 Maple Avenue above standards may threaten a sample the onsite supply well and sampled for pollutants of concern. No drinking water well. identify and sample wells up to 500 feet pollutants were detected. DEP requested semi- away from the site for pollutants annual monitoring of the 3 wells for a period of detected at the site. two years. No further monitoring necessary.

Shantok Motors 4/16/2003 Pollution detected in groundwater DEP directed the property owner to Wells identified and sampled, pollution not 2246 Route 32 above standards may threaten a sample the on-site supply well and to detected. No additional hazard abatement drinking water well. identify and sample wells up to 500 feet action necessary. from the site for pollutants detected at the site.

Town of Montville 4/25/2013 Pollution in the top two feet of soil DEEP reviewed information provided Soil is located beneath pavement. No current 14 Bridge Street may pose a risk to human health and determined that the polluted soil is actions necessary other than ensuring that as a result of direct contact. under pavement limiting the potential pollution remains isolated by pavement until for contact. DEEP requested the remediation is performed. property owner ensure the pavement remains in place until the site is remediated. Morris Site/location Date Notified Type of Hazard Response Action

East Morris XtraMart 3/12/2004 Pollution was detected in a DEP directed the property owner to Source of pollution removed. Monitoring data Thomaston Road (Route 63/109) drinking water well but is below identify and sample wells up to 500 feet shows potentially threatened wells have standards. from the site for pollutants detected at pollution significantly below standards or no the site. pollution detected. No detection of pollutants in monitoring wells. No additional abatement action necessary. Naugatuck Site/location Date Notified Type of Hazard Response Action

Karo Manufacturing Site (former) 12/1/2003 Pollution was detected in a DEP installed water treatment systems Properties with polluted wells on David Street 285 Great Hill Road drinking water well above at properties with polluted wells and (8,18,28,38,48,58,68), Ramsey Avenue standards. threatened wells were monitored. (79,80), and Gail Drive (103) connected to Properties with polluted wells were public water supply. The Borough of subsequently connected to public water Naugatuck implemented monitoring program supply. for 7 closest wells. Pollution not detected.

Updated as of: Thursday, October 29, 2015 All Districts Page 44 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Naugatuck Site/location Date Notified Type of Hazard Response Action

Sarracco Mechanical Services, Inc. 9/29/2004 Pollution detected in groundwater DEP directed the property owner to Wells sampled; pollution not detected or 71 Naugatuck Drive above standards may threaten a identify wells within 1,000 ft of the site detected significantly below standards. No drinking water well. and to sample three identified nearby additional abatement action necessary. wells for pollutants detected at the site. New Britain Site/location Date Notified Type of Hazard Response Action

Brothers Dry Cleaners & Dyers, Inc. 7/29/2005 Polluted groundwater beneath an DEP directed the property owner to Property is currently vacant, so no current risk 234 North Street occupied building could affect determine the extent of the problem to receptors. DEEP has requested annual indoor air quality. and provide a plan of action. reporting on site occupancy to evaluate control of the hazard condition.

The Commercial Foundry Companies 6/3/2008 Pollution in the top two feet of soil DEP reviewed information provided and Access is restricted. 326 South Street may pose a risk to human health determined that polluted soil is under a as a result of direct contact. building and in a secure area, limiting the potential for contact. DEP directed owner to post warning signs and notify people with the potential for soil contact of hazard New Canaan Site/location Date Notified Type of Hazard Response Action

CT DoT Maintenance Facility 12/20/2007 Pollution in the top two feet of soil DEP reviewed information provided and No specific hazard abatement action 47 Gerdes Road may pose a risk to human health determined that the polluted soil is as a result of direct contact. under pavement and in a secure and fenced area, limiting the potential for contact.

Residence 3/7/2013 Pollution was detected in a DEEP directed the property owner to Source of pollution removed, and monitoring 1271 Oenoke Ridge drinking water well above sample the onsite and identified wells data shows threatened wells not affected or standards. within 500 feet for pollutants detected significantly below standards. at the site.

Residence 11/26/2014 Pollution detected in groundwater DEEP directed the property owner to 4 wells identified and 3 wells sampled (access 22 Mill Road above standards may threaten a sample nearby wells for pollutants not granted for 1 well), fuel oil-related pollution drinking water well. detected at the site, and to evaluate was not detected. Monitoring program foundation sumps for oil presence. implemented.

Residence 10/29/2013 Pollution was detected in a DEEP reviewed additional sampling No additional abatement action necessary. 807 Smith Ridge Road drinking water well above data for the affected well and standards. determined that pollution is not in fact present in the well.

Updated as of: Thursday, October 29, 2015 All Districts Page 45 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

New Canaan Site/location Date Notified Type of Hazard Response Action

Service Plaza Route 15 Northbound New Canaa 11/28/2014 Pollution detected in groundwater DEEP directed the property owner to One of two locations was found to be on public Service Plaza Route 15 Northbound above standards may threaten a sample two identified nearby wells for water, no testing necessary. Second location drinking water well. pollutants detected at the site. has not yet provided access permisssion for testing. New Fairfield Site/location Date Notified Type of Hazard Response Action

42 Route 39 LLC 11/14/2014 Pollution detected in groundwater DEEP directed the property owner to Leaking tank and impacted soil and 42 Route 39 above standards may threaten a sample the nearby identified wells groundwater removed. Additional groundwater drinking water well. within 500 feet for pollutants detected testing; pollution no longer detected 4 supply at the site. wells identified/ 3 residential wells sampled. One denied access. Pollution not detected or detected well below standards.

Druck Incorporated 12/20/2010 Pollution detected in groundwater DEP directed the property owner to 10 wells identified/ 5 wells sampled. Pollution 3 Dunham Drive above standards may threaten a identify and sample nearby wells for either not detected or detected below drinking water well. pollutants detected at the site. standards. 3-year monitoring program: Pollutants not detected in drinking water wells; groundwater did not exceed standards. No futher abatement action necessary.

Druck Incorporated 6/3/2005 Pollution detected in groundwater DEP directed the property owner to All wells sampled, pollution not detected or 3 Dunham Drive above standards may threaten sample the onsite and nearby identified significantly below standards. No additional drinking water wells. wells within 500 feet for pollutants hazard abatement action necessary. detected at the site. Certification of abatement issued.

Druck, Inc. 8/7/2013 Pollution was detected in a DEEP reviewed sampling data: well 4 wells identified and 4 sampled. Pollution 4 Dunham Drive drinking water well but is below pollution below standards, well has below standards or not detected. Water standards. treatment system, and water safe for treatment system installated on polluted well. human consumption. DEEP directed Monitoring program implemented. owner to sample well annually for pollutants detected at the site and advise DEEP of any changes in occupancy.

Fairwood Shopping Center / Candlewood Playho 8/23/2005 Pollution was detected in a DEP directed the property owner to Water treatment system installed at one well. State Routes 37 & 39 drinking water well above submit a plan to continue quarterly Monitoring program implemented for standards. monitoring of at-risk supply wells and groundwater and four threatened wells. provided bottled water for private residences with pollution over applicable criteria.

Mobil New Fairfield #01-E2E 10/12/2005 Pollution was detected in a DEP directed the property owner to Monitoring program implemented for three 94 State Route 37 drinking water well above sample the onsite and nearby identified supply wells and groundwater. Water treatment standards. wells for pollutants detected at the site. system already installed at the polluted on-site well.

Updated as of: Thursday, October 29, 2015 All Districts Page 46 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

New Fairfield Site/location Date Notified Type of Hazard Response Action

New Fairfield Police Department 11/29/2004 Pollution detected in groundwater DEP directed the property owner to Six surrounding wells sampled three times; 302 Ball Pond Road above standards may threaten a continue sampling wells already pollution not detected. Source of pollution drinking water well. monitored, and sample additional removed. Wells re-tested, pollution not nearby supply wells, for pollutants detected. No additional abatement action detected at the site. necessary. Certification of abatement issued.

Parcel 10/14/2009 Pollution was detected in a DEP to follow up by confirmatory DEP sampled well. Pollution not detected. No 39 Route 39 drinking water well above sampling of drinking water well. additional abatement action necessary. standards. Resident has been notified to use bottled water until sample results are received. New Haven Site/location Date Notified Type of Hazard Response Action

Amtrack Cedar Hill Maintenance of Way Base 2/17/2006 Pollution in the top two feet of soil DEP directed the property owner to Warning signs posted, site secured, and fence 255 Welton Street (Rear) may pose a risk to human health continue proposed actions and to installed to limit the potential for contact with as a result of direct contact. inform persons with potential for polluted soil. exposure, post warning signs and install a fence to limit access to the polluted soil until the site is cleaned up.

Dwight Street Elementary School (Former) 5/6/2010 Pollution in the top two feet of soil DEP reviewed information provided and Warning signs posted, site secured and fence 130 Edgewood Avenue may pose a risk to human health determined that the polluted soil is in a installed to limit the potential for contact with as a result of direct contact. secure and fenced area, limiting the polluted soil. potential for contact. Furthermore, the property owner is working with the US EPA and CTDEP to coordinate remediation of the site.

East Shore Substation 1/6/2012 Pollution in the top two feet of soil DEEP directed the property owner to Disturbed soil has been removed and 600 Connecticut Avenue (aka 1 Waterfront Stree may pose a risk to human health inform persons with potential for remaining contaminated soil has been covered as a result of direct contact. exposure to limit access to the polluted by one foot of clean fill, limiting potential soil. exposure.

Former Magnus Co., Inc. 6/25/2014 Pollution in the top two feet of soil DEEP directed the property owner to Action pending 50 Eddy Street may pose a risk to human health maintain the fencing and paved areas as a result of direct contact. to limit exposure to the polluted soil until the site is cleaned up and to inform all persons with the potential for soil contact of the hazard condition.

New England Linen Supply Co., Inc. 9/16/2014 Pollution in the top two feet of soil DEEP reviewed information provided The polluted soil is considered inaccessible 149 Derby Avenue may pose a risk to human health and determined that the polluted soil is and an ELUR will be placed on the property as as a result of direct contact. under pavement, limiting the potential part of the remedial strategy. for contact.

Updated as of: Thursday, October 29, 2015 All Districts Page 47 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

New Haven Site/location Date Notified Type of Hazard Response Action

Parcel 10/27/2008 Pollution in the top two feet of soil DEP directed the property owner to Impacted soils have been excavated. Property 370 James Street may pose a risk to human health identify the extent of polluted soil and owner filing a deed restriction for low as a result of direct contact. remove the polluted soil. occupancy under the Toxic Substances Control Act to further limit exposure.

Quinnipiac Energy English Station 3/1/2005 Pollution in the top two feet of soil DEP reviewed information provided and Site is under Cease and Desist Order # 510 Grand Avenue may pose a risk to human health determined the polluted soil is in a CDOWSUST-12-001, which prohibits any as a result of direct contact. secure area, limiting the potential for access to the site. Additionally, security contact. DEP directed the property measures now in place will prevent trespassers owner to post warning signs and inform from illegally entering the site. persons with potential for exposure.

Rockwell Heat Treating 10/31/2005 Pollution in the top two feet of soil DEP reviewed information provided and Some polluted soil has been removed; the 194 River Street may pose a risk to human health determined that the polluted soil is in a extent of the release area has been determined. as a result of direct contact. secure and fenced area limiting the potential for contact. Per the notification, persons with potential exposure will be alerted, and warning signs will be posted.

Simkins Industries, Inc. 11/18/2008 Pollution in the top two feet of soil DEP reviewed information provided and No specific hazard abatement action 260 East Street may pose a risk to human health determined that the soil pollution does as a result of direct contact. not pose a significant threat because it is isolated under pavement.

Troup Magnet Academy of Science 6/29/2005 Pollution in the top two feet of soil DEP directed the property owner to Impacted soils were excavated in August/Sept 259 Edgewood Avenue may pose a risk to human health submit a plan to identify the extent of 2006 and rendered inaccessible at the site as as a result of direct contact. polluted soil and remove it. described in the Remedial Action Report prepared by consultant in January 2008. No additional hazard abatement action necessary.

Williams Terminals Holdings, LP 11/25/2002 Pollution in the top two feet of soil DEP directed the property owner to Warning signs posted and fence installed to 85 East Street may pose a risk to human health post warning signs and install a fence limit the potential for contact with polluted soil. as a result of direct contact. or secure the area to limit access to the polluted soil. New London Site/location Date Notified Type of Hazard Response Action

Coca-Cola Bottling Co. of Southeastern New En 3/28/2008 Pollution in the top two feet of soil DEP reviewed information provided and Polluted soil removed; no additional abatement 951 Bank Street may pose a risk to human health determined that the polluted soil is action necessary. Certification of abatement as a result of direct contact. under pavement, limiting the potential issued. for contact.

Updated as of: Thursday, October 29, 2015 All Districts Page 48 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

New Milford Site/location Date Notified Type of Hazard Response Action

Affordable Auto Motive 9/21/2009 Pollution detected in groundwater DEP directed the property owner to 11 wells identified and 8 wells sampled (3 32 Executive Center Drive above standards may threaten a sample the eleven identified water refused access) in Oct 2009. Pollution was not drinking water well. supply wells within 500 feet of the site detected. Wells resampled in Feb/Mar 2013 for pollutants detected at the site. due to another reported hazard. No contamination detected.

B & W, LLC / Wetmores, Inc. 5/20/2008 Pollution detected in groundwater DEP directed the property owner to re- Source of pollution removed. On-site and 333 Danbury Road above standards may threaten a sample the onsite supply well on a nearby supply wells tested and pollution was drinking water well. quarterly basis and to identify and not detected. No further abatement action sample nearby wells for pollutants required. Certification of abatement issued. detected at the site.

Bulls Bridge Hydroelectric Station 4/13/2006 Pollution detected in groundwater DEP directed the property owner to On-site drinking water well and monitoring well Route 7 above standards may threaten a sample the onsite supply well and to resampled. Pollution was not detected. No drinking water well. identify and sample wells up to 500 feet additional hazard abatement action necessary. downgradient from the site for Certification of abatement issued. pollutants detected at the site.

Candlewood Animal Hospital 5/17/2007 Pollution detected in groundwater DEP directed the property owner to Source of pollution removed. 6 wells identified 117 Kent Road (Route 7) above standards may threaten a sample the onsite supply well and and 6 wells sampled quarterly for one year. drinking water well. nearby wells for pollutants detected at Pollution not detected. Groundwater monitoring the site and to conduct an inventory of shows pollution detected significantly below all drinking water supply wells at standards. No additional abatement action residences and businesses within 500 necessary. ft of the release.

Century Enterprise Center (former Century Bras 12/9/2004 Pollution was detected in a DEP directed the property owner to One well sampled. Pollution detected was 12 Scoville Street drinking water well but is below sample the polluted well quarterly for significantly below standards. Monitoring standards. pollutants detected at the site, and program implemented. advise DEP of any changes.

Commercial Property 4/20/2012 Pollution detected in groundwater DEEP directed the property owner to 2 of 3 nearby wells where owners allowed 376 Danbury Road above standards may threaten a sample the onsite and 3 nearest access were sampled. Results were non- drinking water well. identified water supply wells for detect for all constituents tested. Groundwater pollutants detected at the site. DEEP conditions no longer present hazard condition. also directed the owner to further No additional abatement action necessary. evaluate groundwater data.

Figliola Property 2/23/2011 Pollution detected in groundwater DEP directed the property owner to Well receptor survey conducted. On-site and 48 Wheaton Road above standards may threaten a sample the on-site water supply well two off-site wells sampled 2011-2012. Pollution drinking water well. and to identify and sample nearby not detected. Groundwater conditions no water supply wells for pollutants longer present hazard condition. No additional detected at the site. abatement action necessary.

Industrial Condominium 12/6/2005 Pollution detected in groundwater DEP directed the property owner to All wells on-site and downgradient were 566 Danbury Road above standards may threaten a sample the onsite supply well and to sampled; pollution was not detected or was drinking water well. identify and sample wells up to 500 feet significantly below standards. One year of on- away from the site for pollutants site monitoring shows that on-site well is not detected at the site. impacted. No additional abatement action necessary.

Updated as of: Thursday, October 29, 2015 All Districts Page 49 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

New Milford Site/location Date Notified Type of Hazard Response Action

Medical Instill Technologies, Inc. 11/10/2009 Pollution detected in groundwater DEP reviewed additional groundwater No specific abatement action necessary; DEP 201 Housatonic Avenue above standards may threaten a sampling data and determined the requested notification if conditions change. drinking water well. pollution is in fact below standards and does not pose a risk to supply wells.

New Milford Plaza 2/5/2013 Pollution detected in groundwater DEEP directed the property owner to Six of the twelve identified wells (three refused 164-180 Danbury Road above standards may threaten a sample the twelve identified water access/didn't respond and three were on public drinking water well. supply wells within 500 feet of the site water) sampled in Feb/Mar 2013. Results were for pollutants detected at the site. non-detect for all constituents tested. Wells had been previously sampled in 2009 due to another hazard.

O & G Quarry 5/24/2007 Pollution was detected in a DEP directed the property owner to Five wells identified and four wells sampled, 33 Boardman Road drinking water well but is below sample the onsite and identified wells pollution either not detected or detected but standards. Pollution detected in within 500 feet for pollutants detected below standards. Access denied to remaining groundwater above standards at the site. well. No additional abatement action necessary. may threaten a drinking water well.

Park Cadillac Dealership (former) 9/22/2014 Pollution was detected in a DEEP directed the property owner Nearest downgradient wells permitting access 149 Danbury Road drinking water well but is below implement their proposal to install a sampled. Pollution either not detected or standards. filter or connect to the water main. detected below standards. Resample of well DEEP also directed the property owner with original pollution detection did not confirm to identify if there are other wells near detection. Monitoring program implemented. the site.

Residential Property 5/14/2004 Pollution was detected in a DEP determined that pollution in the Source of pollution removed. No additional 53 Sawyer Hill Road drinking water well but is below well is below standards, and water is hazard abatement action necessary. DEP standards. safe for human consumption. recommended periodic monitoring.

Taylor's Cleaners 3/13/2006 Pollution detected in groundwater DEP directed the property owner to Four wells sampled, pollution not detected or 104 Danbury Road above standards may threaten a sample the four threatened wells detected significantly below standards. drinking water well. identified in the significant hazard Monitoring program implemented for notification on a quarterly basis for the groundwater on-site and water supply wells pollutants detected at the site. where access to sample granted. Newington Site/location Date Notified Type of Hazard Response Action

Cedar Street Station 12/2/2011 Pollution in the top two feet of soil DEEP directed the property owner to The impacted soil was excavated on Janaury 16 Fenn Road may pose a risk to human health post warning signs and install a fence 25, 2012 for offsite disposal. No further hazard as a result of direct contact. or secure the area to limit access to the abatement action necessary. polluted soil until the site is cleaned up.

Updated as of: Thursday, October 29, 2015 All Districts Page 50 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Newington Site/location Date Notified Type of Hazard Response Action

Willard Avenue Substation 5/18/2004 Pollution in the top two feet of soil DEP reviewed information provided and The top 2 feet of PCB-impacted soil was Route 173 may pose a risk to human health determined that warning signs are excavated. Certification of abatement issued. as a result of direct contact. posted and the polluted soil is in a secure and fenced area, limiting the potential for contact with the polluted soil. Newtown Site/location Date Notified Type of Hazard Response Action

Residence 12/30/2013 Pollution was detected in a DEEP reviewed sampling data and Potable wells in area being monitored due to 70 Mile Hill Road South drinking water well but is below determined pollution in the well is below nearby remediation. Pollution does not appear standards. standards and the water is safe for to be related to the nearby remediation. Re- human consumption. DEEP requested sampling of wells in area does not show any additional monitoring to determine if the pollution detected. Area wells will continue to concentrations detected are stable or be monitored annually. increasing.

Residential Property 12/5/2005 Pollution was detected in a DEP directed the residents to use Drinking water wells in area identified and 53 Mile Hill Road South drinking water well above bottled water until a filtration system sampled. Two found with pollution above standards. could be installed. DEP to monitor standards; filter systems installed. Monitoring drinking water at neighboring program shows pollution in two affected wells residences. significantly below standards since 2008. No additional abatement action

Rocky Glen Mill 12/28/2006 Pollution was detected in a DEP directed the property owner to Receptor survey completed. Monitoring 75 Glen Road drinking water well but is below sample the onsite supply well on a program implemented. Pollution not detected in standards. quarterly basis and to identify wells up on-site well. No further abatement action to 500 feet away from the site. necessary. Certification of abatement issued.

Sandy Hook Automotive & Marine Corp. 3/28/2008 Pollution was detected in a DEP directed the property owner to re- Public water extended to the area; some but 9 Glen Road (Sandy Hook) drinking water well but is below sample the on-site supply well and to not all properties within 500 ft are connected. standards. identify and sample wells within 500 All available wells within 500 ft downgradient feet of the site for pollutants detected at sampled; no pollutants of concern present the site. exceeding criteria.

SCB Office Park 1/27/2003 Pollution in the top two feet of soil DEP directed the property owner to Warning signs posted and fence installed to 153 South Main Street may pose a risk to human health post warning signs and install a fence limit the potential for contact with polluted soil. as a result of direct contact. to limit access to the polluted soil. DEP The fence and signage are being maintained also directed the property owner to annually. The extent of arsenic in soil above submit a plan to investigate the area hazard criterion has been determined. and clean up pollution.

Updated as of: Thursday, October 29, 2015 All Districts Page 51 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

North Branford Site/location Date Notified Type of Hazard Response Action

Affordable Bus Charters Inc. 8/3/2011 Pollution was detected in a DEEP advised the notifying party that The property owner completed improvements 1071 Middletown Ave drinking water well above they had no further obligation, since to the water supply system and re-sampled the standards. they were not the owner. DEEP is supply well. Results from the re-sampling were further reviewing its options and will act non-detect for the constituents tested. to assess and abate the condition as necessary. North Canaan Site/location Date Notified Type of Hazard Response Action

Geer Nursing & Rehabilitation Center 9/25/2009 Pollution detected in groundwater DEP directed the property owner to PCB impacted soil removed. Two identified off- 99 South Canaan Road above standards may threaten a sample the groundwater and the two site potable supply wells sampled quarterly; no drinking water well. identified water supply wells within 500 pollution detected.15 rounds of quarterly feet of the site for pollutants detected at monitoring indicate no impact to the nearest the site. supply wells. No further abatement action necessary.

John B. Hull, Inc. 1/27/2004 Pollution detected in groundwater DEP directed the property owner to One well identified. Well sampled for five 10 Orchard Street above standards may threaten a sample the threatened well quarterly for quarters and pollution not detected. No further drinking water well. pollutants detected at the site, until hazard abatement action necessary. clean up of pollution is complete. Certification of abatement issued.

Residential Property 1/8/2003 Pollution was detected in a DEP reviewed sampling data and No specific hazard abatement action 335 East Canaan Road drinking water well but is below determined pollution in the well is standards. significantly below standards, and the water is safe for human consumption. North Haven Site/location Date Notified Type of Hazard Response Action

Morganite Crucible 2/26/2003 Pollution in the top two feet of soil DEP directed the property owner to Polluted soil removed; no additional hazard 345 Washington Avenue may pose a risk to human health post warning signs and install a fence abatement action necessary. Certification of as a result of direct contact. to limit access to the polluted soil. abatement issued.

Pharmacia & Upjohn Company 2/28/2005 Pollution detected in groundwater DEP directed the property owner to The former firewater pond that was the 41 Stiles Lane that discharges to a surface water implement a proposed sampling threatened receptor has been drained and is body may pose a risk to aquatic program to evaluate the actual now devoid of water. A protective engineered life. polllution concentration in the surface cover system will be placed over the former water. pond sometime in 2017.

Updated as of: Thursday, October 29, 2015 All Districts Page 52 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

North Stonington Site/location Date Notified Type of Hazard Response Action

Prestonwold, Inc. 4/17/2003 Pollution was detected in a DEP directed the property owner to DEP monitored affected wells for volatile 154 Miller Road drinking water well above provide bottled water to the property organic chemicals; and the concentrations standards. with the polluted well. diminished to non-detect over time. Confirmation sampling was conducted in 2009 and the results remained non-detect. No further action required. Norwalk Site/location Date Notified Type of Hazard Response Action

Bolt Technology Corporation 6/19/2015 Polluted groundwater beneath an DEEP directed the property owner to Source of pollution remediated and venting 366 Ely Ave (aka 362 Ely Ave) occupied building could affect implement an indoor air monitoring system and vapor barrier installed to prevent indoor air quality. program and initiate remediation of impact on indoor air quality. Monitoring pollution under the building. program implemented.

Colonial Village housing project 8/14/2014 Pollution in the top two feet of soil DEEP requested the housing authority Actions by owner pending. Suncrest Road may pose a risk to human health notify residents of the condition, take as a result of direct contact. interim measures to prevent unknowing exposure, conduct a well receptor survey, sample identified wells, submit a plan for remediaiton.

Norwalk Compressor Company (former) 2/27/2008 Pollution in the top two feet of soil DEP reviewed information provided and Site-wide remediation ongoing. 20 North Water Street may pose a risk to human health determined that the polluted soil is as a result of direct contact. under a building, limiting the potential for contact; and remediation to remove the soil is scheduled for 2008.

Residential Property 10/13/2005 Pollution was detected in a DEP directed the property owner to On-site well sampled, pollution either not 54 Nursery Street drinking water well but is below implement their proposed response, detected or detected but below standards. standards. which is evaluation of additional Source of pollution removed and passive sampling data to determine if treatment remedial system installed. No additional hazard or additional monitoring is necessary. abatement action necessary. Certification of abatement issued.

The Fairfield County Savings Bank 10/10/2003 Petroleum products in DEP directed the property owner to Additional sampling conducted, pollution not 26 Chestnut Hill Road groundwater may threaten a identify and sample nearby wells for detected. Source of pollution removed. No drinking water well. pollutants detected at the site. additional hazard abatement action necessary. Norwich Site/location Date Notified Type of Hazard Response Action

7-Eleven Store # 32524 6/24/2004 Pollution was detected in a DEP directed the property owner to Further sampling to be conducted as part of 152 Taftville Occum Road drinking water well but is below implement proposed quarterly sampling public water supply monitoring as required by standards. of the well for the pollutants detected at Department of Public Health. the site, and to provide a water treatment system if levels of pollution rise.

Updated as of: Thursday, October 29, 2015 All Districts Page 53 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Norwich Site/location Date Notified Type of Hazard Response Action

7-Eleven Store # 32524 2/4/2015 Pollution detected in groundwater DEEP directed the property owner to On-site well sampled, pollution not detected. 152 Taftville Occum Road above standards may threaten a conduct a well survey and sample the Monitoring program implemented. No drinking water well. onsite well for pollutants detected at the additional abatement action necessary. site.

Austins Garage 10/12/2006 Pollution detected in groundwater DEP directed the property owner to Nine wells were identified within 500 feet 53 Taftville Occum Road above standards may threaten a identify and sample wells up to 500 feet downgradient of the site. Volatile organic drinking water well. away from the site for pollutants chemicals were not detected. Further detected at the site, and also to assess evaluation of site data did not suggest a risk of the potential for organic vapor intrusion to nearby residences. at three addresses.

Norwich Fish & 10/28/2008 Pollution was detected in a DEP requested that the City of Norwich Well is sampled twice per year by the City of 44 Browning Road drinking water well, but is below evaluate potential impact to Norwich as part of its monitoring of standards. downgradient receptors in consultation groundwater in the vicinity of the Rogers Road with the DEP. landfill. Concentrations in water remain below maximum contaminant levels.

Rogers Road Landfill 10/15/2010 Pollution was detected in a DEP reviewed sampling data for the Monitoring program implemented. Rogers Road drinking water well but is below affected wells and determined pollution standards. in the well is significantly below standards, and the water is safe for human consumption.

Thayer Building 9/4/2002 Polluted groundwater beneath an DEP directed the property owner to Plan of action submitted. Building vacant. 16 Franklin Street occupied building could affect determine if indoor air quality is being Plan of action to be implemented as part of indoor air quality. affected and provide a plan of action. redevelopment. Old Lyme Site/location Date Notified Type of Hazard Response Action

Bestway Citgo Gasoline Service Station 9/8/2003 Pollution detected in groundwater DEP directed the property owner to Sampling conducted, only one well had 281 Shore Road (Route 156) above standards may threaten a identify and sample nearby wells for pollution above standards. Property with drinking water well. pollutants detected at the site. polluted well is seasonal and has been connected to public water. Well is still present, but not used for drinking water.

Lyme - Old Lyme High School 7/15/2011 Pollution detected in groundwater DEEP directed the property owner to Underground tank removed with no signs of a 69-2 Lyme Street above standards may threaten a sample the onsite supply well and release. Wells located within 500 feet of tank drinking water well. identify and sample wells up to 500 feet grave have reportedly been disconnected and away from the site for pollutants are no longer in use as water supply. On-going detected at the site. monitoring of groundwater to be performed.

Updated as of: Thursday, October 29, 2015 All Districts Page 54 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Old Saybrook Site/location Date Notified Type of Hazard Response Action

CT DoT Maintenance Facility (former) 10/11/2007 Pollution was detected in a DEP directed owner to provide an Polluted soil removed. Affected supply well 45 Ferry Road drinking water well above alternate supply of potable water, re- abandoned and property connected to public standards. test the well, provide results of a water. No additional abatement action receptor survey, and determine the necessary. need to test off-site wells.

Grossman Chevrolet 11/17/2005 Pollution was detected in a DEP directed the property owner to Filter system was already installed on affected 300 Middlesex Trunpike drinking water well above sample the polluted well quarterly to well. Source of pollution removed, further standards. ensure the installed filtration system is action including expanded onsite groundwater effectively removing contaminants of monitoring pending. concern from the water supply.

Grossman Chevrolet 4/21/2003 Pollution detected in groundwater DEP reviewed additional sampling data Nearest supply well tested with no pollution 300 Middlesex Turnpike above standards may threaten a and determined that groundwater detected. No additional hazard abatement drinking water well. pollution is in fact below standards, and action necessary. does not threaten a supply well.

Old Saybrook Bridge Maintenanace Facility 8/14/2013 Pollution detected in groundwater DEEP reviewed additional sampling No additional abatement action necesssary. 441 Middlesex Trunpike above standards may threaten a data and determined pollution in the drinking water well. groundwater is below standards, and the water is safe for human consumption.

Stan's Auto Works/Lou's colision and Custom P 12/15/2014 Pollution was detected in a DEEP directed the property owner to Bottled water being provided pending additional 1379 Boston Post Road drinking water well but is below provide bottled water to the property sampling results. standards. and to resample the supply well quarterly. Orange Site/location Date Notified Type of Hazard Response Action

Mobil Service Station #01-355 6/28/2005 Pollution detected in groundwater DEP directed the responsible party to Gas station being remediated during Wilbur Cross Parkway (Northbound) above standards may threaten a identify and sample nearby wells for reconstruction of facility. drinking water well. pollutants present on the site. Oxford Site/location Date Notified Type of Hazard Response Action

Quaker Farm Schools 12/20/2006 Pollution was detected in a DEP directed the property owner to Groundwater treatment system in operation. 30 Great Oak Road drinking water well but is below sample the out-of-use onsite supply Pollution not detected in two years monitoring standards. well and to identify and sample nearby nearest three drinking water wells. Sampling of wells for pollutants detected at the site. indoor air shows is not at levels that pose a significant risk.

Updated as of: Thursday, October 29, 2015 All Districts Page 55 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Plainfield Site/location Date Notified Type of Hazard Response Action

CT Property (Griswold Rubber Co. lease) 2/8/2005 Pollution in the top two feet of soil DEP directed the property owner to Warning signs posted and mulch cover 1 River Street may pose a risk to human health post warning signs and implement a installed to limit the potential for contact; soil as a result of direct contact. proposed removal of the polluted soil. subsequently isolated by an engineered control with an associated environmental restriction. Certification of abatement issued.

Frybrook Substation 8/31/2004 Pollution in the top two feet of soil DEP reviewed information provided and Access to polluted soil is restricted because it 18 Community Avenue Extension may pose a risk to human health determined that warning signs are is in a fenced electrical substation; no specific as a result of direct contact. posted and the polluted soil is in a hazard abatement action necessary. secure and fenced area, limiting the potential for contact.

Griswold Rubber Company, Inc. 3/15/2007 Pollution in the top two feet of soil DEP directed the property owner to Engineered cap installed under DEEP 1 River Street may pose a risk to human health inform persons with potential for approved plan. Long-term O&M to be as a result of direct contact. exposure, post warning signs and performed under approved plan. secure the area to limit access to the polluted soil until the site is cleaned up.

Hendel's, Inc. 9/10/2010 Pollution detected in groundwater DEP directed the property owner to Well survey complete. Nearby wells sampled 600 Norwich Road above standards may threaten a sample nearby wells for pollutants and were non-detect. Several requests for drinking water well. detected at the site. access were denied. Certification of abatement issued.

Parcel 12/6/2004 Pollution in the top two feet of soil DEP directed the property owner to Polluted soil excavated and removed from 154-156 Plainfield Pike may pose a risk to human health submit a plan to identify the extent of site. Also, on-site well and two nearest off site as a result of direct contact. polluted soil, limit access to the polluted wells were sampled for pesticides, volatile soil, and test a nearby well for the organic chemicals, and metals including pollutants present on the site. arsenic. None of the wells were found to be

Plainfield XtraMart 11/22/2006 Pollution detected in groundwater DEP directed the property owner to Four nearby drinking water wells tested; 705 Norwich Road (Route 12) above standards may threaten a sample wells on adjacent properties for pollution was not detected. On-site drinking drinking water well. pollutants detected at the site. water well abandoned. Monitoring program implemented.

Residence 11/20/2007 Pollution detected in groundwater DEP directed the property owner to Remediation completed; nearby wells sampled, 484 North Main Street above standards may threaten a sample the onsite supply well and no polution detected. Filter system installed on drinking water well. downgradient supply wells for the on-site well. Susbsequent monitoring of on- pollutants detected at the site pursuant site well indicated pollution no longer present. to a remediation plan developed in No further action necessary. consultation with the DEP and concurrent with the notification.

Updated as of: Thursday, October 29, 2015 All Districts Page 56 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Plainville Site/location Date Notified Type of Hazard Response Action

General Electric Company (North Plant) 5/23/2008 Pollution detected in groundwater DEP directed the property owner to One well was sampled by DEP and pollution Woodford Avenue above standards may threaten a sample identified drinking water wells was not detected. For precaution DEP drinking water well. within 500 feet for pollutants detected supplied, and later discontinued, bottled water. at the site. Hydrogeological study performed at the site shows groundwater does not flow to that well. No further action is required.

Getty Station #688 (former) 10/18/2013 Pollution detected in groundwater DEEP directed the property owner to A sensitive receptor survey was conducted. 301 East Street above standards may threaten a sample identified wells for the Two properties have potable water supply drinking water well. pollutants detected at the site. wells. One well is regulated by and routinely monitored for the Dept. of Health. Another well was sampled and no pollution was detected.

Pressmation Inc. (former) 4/17/2012 Pollution detected in groundwater DEEP reviewed additional sampling Three wells identified and sampled, pollution 5 Northwest Drive above standards may threaten a data for the threatened wells and either not detected or detected but below drinking water well. determined pollution present was standards. Access permission could not be significantly below standards. DEEP obtained to implement long term monitoring requested a long term monitoring program. program for the impacted well.

Valley Water Systems 8/27/2012 Pollution detected in groundwater DEEP reviewed the groundwater The monitoring of 5 monitoring wells and two 161 Woodford Avenue above standards may threaten a sampling data and requested Valley supply wells has been completed; petroleum drinking water well. Water Systems to continue to monitor and volatile organic chemicals were not the supply wells and monitoring wells. detected. Two supply wells are on company's routine monitoring program. Plymouth Site/location Date Notified Type of Hazard Response Action

FM 329 11/8/2013 Pollution was detected in an DEEP directed the property owner to Pollution was not detected in four offsite 699 Main Street onsite drinking water well but is sample the threatened and polluted potable wells. Monitoring program has been below standards. Pollution wells on the proposed sampling implemented. Pollution was not detected in detected in groundwater above frequency for the pollutants detected at onsite potable well in the August 2014 standards may threaten a the site, and advise DEEP of any sampling. drinking water well. changes.

Grimes Aerospace Facility (former) 7/28/2009 Pollution detected in groundwater DEP directed the property owner to All wells were sampled. Pollution were not 50 Altair Avenue above standards may threaten a sample 17 nearby wells for pollutants detected in the wells sampled. Monitoring drinking water well. detected at the site. program has been implemented at the site.

Iseli Company 5/3/2012 Chloroform was detected in a DEEP reviewed the sampling data and The well was resampled and chloroform was 651 Greystone Road drinking water well but is below determined pollution in the well is below not detected. No further abatement action is standards. standards, and the water is safe for necessary pertaining to this notification. human consumption. The Department Certification of abatement issued. requested that the well in question be resampled.

Updated as of: Thursday, October 29, 2015 All Districts Page 57 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Plymouth Site/location Date Notified Type of Hazard Response Action

J. T. Mac Dermid Group 12/16/2003 Pollution detected in groundwater DEP directed the property owner to Risks to the downgradient residents are 400 Harwinton Avenue above standards may threaten a identify and sample wells up to 1000 resolved as all downgradient potable wells are drinking water well. feet from the site for pollutants detected connected to public water. This hazard at the site. notification has been resolved.

Pollution detected in groundwater that discharges to a surface water DEP directed the property owner to body may pose a risk to aquatic submit a plan to evaluate the threat to life. surface water and aquatic life.

Proposed High School Site 10/17/2002 Pollution detected in groundwater DEP indicated it is already aware of DEP evaluated site and determined no wells 564 Main Street above standards may threaten a and is evaluating this condition; and were within 500 feet of the reported drinking water well. that the party submitting the notification groundwater pollution. A slightly more distant was not required to do so under the law. well was sampled with no detections. No further action necessary under significant hazard program

Woodworking Design & Supply 9/25/2002 Pollution was detected in a DEP reviewed information provided and Bottled water is being provided voluntarily by 284 Town Hill Road drinking water well but is below determined pollution in the well is property owner, who will periodically resample standards. significantly below standards, and the the well. No specific hazard abatement action water is safe for human consumption. necessary. Portland Site/location Date Notified Type of Hazard Response Action

271-277 Marlborough Street 8/6/2013 Pollution detected in groundwater DEEP reviewed the well receptor Well receptor survey has been completed and 271-277 Marlborough Street above standards may threaten a survey report and determined that there no potable well was identified with 500 feet of drinking water well. is no potential exposure since no the site. Proposed for soil excavation and potable well is identifed within 500 feet natural attenuation. of the site.

Portland Depot DEEP facility 6/26/2014 Pollution detected in groundwater DEEP directed the property owner to 9 potable wells were sampled and all non- 163 Great Hill Road above standards may threaten a sample nearby wells for pollutants detected. DEEP has determined that there is drinking water well. detected at the site. no impact to potable supply wells in the area. Site investigation is ongoing.

Residential Property 6/11/2007 Pollution detected in groundwater DEP directed the property owner to Property owner tested wells and found no 37 Maple Road above standards may threaten a sample the onsite supply well and contamination above applicable standards in drinking water well. identify and sample wells adjacent to 2007. DEEP re-sampled 2 of 3 wells in both sides of the property December 2013. On-site was vacant. Pollution was not detected in the wells on adjacent properties. No further action necessary.

Updated as of: Thursday, October 29, 2015 All Districts Page 58 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Preston Site/location Date Notified Type of Hazard Response Action

Norwich State Hospital 2/9/2005 Pollution in the top two feet of soil DEP reviewed information provided and Access is restricted; no specific hazard Route 12 may pose a risk to human health determined that the polluted soil is in a abatement action necessary. as a result of direct contact. secure, patrolled area, limiting the potential for contact. Prospect Site/location Date Notified Type of Hazard Response Action

Sunoco Gasoline Service Station 12/6/2012 Pollution was detected in a DEEP directed the property owner to Survey in September 2012 identified wells. 68 Waterbury Road drinking water well but is below identify and sample wells up to 500 feet Samples were reported as none detected for standards. Pollution detected in away from the site for pollutants volatile organic chemicals and petroleum. The groundwater above standards detected at the site. on-site potable well has MTBE below may threaten a drinking water standards. A monitoring program has been well. initiated and is ongoing. Putnam Site/location Date Notified Type of Hazard Response Action

Gomes Total Chrysler 6/23/2003 Pollution detected in groundwater DEP directed the property owner to Sampling conducted, pollution below 157 Providence Pike above standards may threaten a identify and sample wells up to 500 feet standards. No additional monitoring required drinking water well. from the site for pollutants detected at for hazard abatement. the site.

Interstate Shell 2/17/2009 Pollution was detected in a DEP directed the property owner to On-site well sampled. Trace level volatile 647 School Street drinking water well, but is below sample the onsite supply well and organic chemicals present. Ongoing standards. Pollution detected in identify and sample wells up to 500 feet monitoring to be performed. No other drinking groundwater above standards away from the site for pollutants water wells within 500 feet downgradient. may threaten a drinking water detected at the site. well.

Kars of Putnam, LLC 2/1/2006 Pollution detected in groundwater DEP directed the property owner to Wells identified and sampled, pollution not 181 Killingly Avenue above standards may threaten sample the onsite supply wells and detected. No additional hazard abatement drinking water supply wells. identify and sample nearby wells for action necessary. pollutants detected at the site.

Putnam Precision Moulding, Inc. 11/19/2010 Pollution detected in groundwater DEP directed the property owner to Monitoring program implemented. 11 Danco Road above standards may threaten a sample the threatened wells semi- drinking water well. annually for the pollutants detected at the site, and advise DEP of any changes.

Updated as of: Thursday, October 29, 2015 All Districts Page 59 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Ridgefield Site/location Date Notified Type of Hazard Response Action

Commercial Property 10/1/2007 Pollution was detected in a DEP directed the property owner to According to the property owner, a charcoal Ethan Allen Highway drinking water well above provide the results of the receptor filter has been installed on the drinking water standards. survey to the DEP. supply system and a receptor survey has been initiated.

Exxon Service Station #3-6047 (former) 4/8/2008 Pollution detected in groundwater DEP directed the property owner to Source of pollution removed, and monitoring 626 Danbury Road above standards may threaten a sample the onsite supply well and also data shows tested wells are non-detect or drinking water well. identified supply wells up to 750 feet below standards. No additional abatement away from the site for pollutants action necessary. Certification of abatement detected at the site. issued.

Residence 8/26/2011 Pollution detected in groundwater DEEP directed the property owner to Source of pollution removed and monitoring 78 Picketts Ridge Road above standards may threaten a sample the on-site well and the eight data shows threatened wells not affected. No drinking water well. (8) identified wells located adjacent to additional abatement action necessary. the property for pollutants detected at Certification of abatement issued. the site.

Ridgefield European Moters, Inc. 3/18/2008 Pollution was detected in a DEP directed the property owner to Site being remediated. 746 Danbury Road drinking water well above maintain an existing treatment system, standards. and also required identification and sampling of supply wells within 500 feet for pollutants detected at the site.

Shell Facility #136367 10/12/2006 Pollution detected in groundwater DEP directed the property owner to Groundwater monitoring samples periodically 130 Danbury Road above standards may threaten a resample the onsite well and to sample collected from site and neighboring potable drinking water well. all identified drinking water supply wells well indicate that concentrations of compounds within 500 feet of the site for the detected are less than applicable criteria. reported pollutants detected at the site. Certification of abatement issued. Rocky Hill Site/location Date Notified Type of Hazard Response Action

Dividend Partners LLC 3/16/2006 Pollution in the top two feet of soil DEP directed the property owner to The hot spot PCB-impacted soil which caused 145 Dividend Road may pose a risk to human health inform persons with potential for the hazard condition to be identified was as a result of direct contact. exposure, post warning signs and removed under DEP and EPA oversight. install a fence or secure the area to Certification of abatement issued. Site is in a limit access to the polluted soil, and to DEEP remedial program. submit a plan to evaluate and mitigate the hazard condition.

Royal Clothing Care 8/22/2007 Pollution detected in groundwater DEP directed the property owner to Two homes with potable wells were identifed. 825P Cromwell Avenue above standards may threaten a identify and sample wells up to 500 feet One home was converted to be part of the drinking water well. away from the site for pollutants nearby mall and connected to public water. The detected at the site. owners of the other home refused access for sampling.

Updated as of: Thursday, October 29, 2015 All Districts Page 60 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Roxbury Site/location Date Notified Type of Hazard Response Action

DL Property Trust 8/13/2009 Pollution detected in groundwater DEP directed the property owner to One offsite well identified; offsite and 3 onsite 212 Good Hill Road above standards may threaten a provide the sample results for the two wells tested and pollution not detected in 4 drinking water well. onsite supply wells and to identify and quarters of testing. Contaminated soils were sample wells within 500 feet of the site removed and impacted groundwater for pollutants detected at the site. remediated. No further abatement action necessary. Salem Site/location Date Notified Type of Hazard Response Action

Maple General Store 4/11/2006 Pollution detected in groundwater DEP directed the property owner to Several drinking water wells identified and 428 Hartford Road above standards may threaten a identify and sample potable water sampled. Pollution not detected in drinking drinking water well. supply wells up to 500 feet away from water wells. Air sparging/soil vapor extraction the site for pollutants detected at the system installed 2006. Ground water sampling site. durning 2013 indicates pollution not migrating offsite. Salisbury Site/location Date Notified Type of Hazard Response Action

Residence 10/25/2007 Pollution detected in groundwater DEP directed the property owner to On-site and eight surrounding water supply 433 Salmon Kill Road above standards may threaten a resample the onsite supply well and to wells sampled. Pollution not detected. drinking water well. identify and sample wells up to 500 feet Monitoring program implemented. away from the site for pollutants detected at the site.

Residential Property 5/25/2010 Pollution detected in groundwater DEP directed the property owner to re- Source of pollution removed. One drinking 396 Sharon Road (Lakeville) above standards may threaten a sample the onsite supply well and water well identified and sampled; pollution not drinking water well. identify and sample nearby wells for detected. Owner re-tested well to confirm that pollutants detected at the site. there is no impact to the well. Pollution was not detected. No further abatement action necessary. Scotland Site/location Date Notified Type of Hazard Response Action

315 Pudding Hill Road Farm Property 6/17/2014 Pollution was detected in a DEEP directed the property owner to 3 wells identified and 3 wells sampled, pollution 315 Pudding Hill Road drinking water well above resample the onsite wells and nearby either not detected or detected but below standards. identified wells within 500 feet for standards. Monitoring program implemented. pollutants detected at the site.

Updated as of: Thursday, October 29, 2015 All Districts Page 61 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Seymour Site/location Date Notified Type of Hazard Response Action

Comcast 12/3/2007 Pollution was detected in a DEP directed the property owner to re- 18 wells identified/15 wells sampled. Pollution 80 Great Hill Road drinking water well but is below sample the onsite supply wells and to either not detected or detected below standards. Pollution detected in identify and sample nearby wells for standards. Onsite well is DPH regulated and groundwater above standards pollutants detected at the site. has a treatment system. Monitoring program may threaten a drinking water implemented on-site and for nearest drinking well. water well.

Diversified Electric 4/28/2008 Pollution was detected in a DEP directed the property owner to re- Well receptor survey found two off-site drinking 130-150 Silvermine Road drinking water well but is below sample the on-site supply well and to water wells within 500 feet of the site. standards. identify and sample wells up to 500 feet Quarterly monitoring program implemented (on away from the site for pollutants & off-site). For all wells sampled, pollution detected at the site. either not detected or detected but below standards. Sharon Site/location Date Notified Type of Hazard Response Action

Sharon Auto Body, Inc. 7/24/2014 Pollution detected in groundwater DEEP directed the property owner to 1 on-site and 2 off-site supply wells identified 28 Amenia Road above standards may threaten a perform proposed potable supply well and sampled. Pollution not detected. drinking water well. sampling for pollutants detected at the Monitoring program implemented for on-site site. monitoring wells with continuing site investigation.

Sharon Hospital 6/15/2009 Pollution detected in groundwater DEP directed the property owner to Source of pollution removed from soil and 50 Hospital Hill Road above standards may threaten a sample the threatened well quarterly for groundwater. Pollution not detected in supply drinking water well. the pollutants detected at the site. well in four rounds of quarterly monitoring. No additional abatement action necessary. Certification of abatement issued.

Sharon Xtramart 11/14/2011 Migrating vapors may pose an DEEP reviewed sampling data and Source of pollution abated. Sampling of indoor 17 Gay Street explosion risk. determined that the groundwater air quality shows that air pollution is not at pollution does not in fact pose a levels that pose significant risk. No additional significant threat to indoor air quality. abatement action necessary. Shelton Site/location Date Notified Type of Hazard Response Action

Crabtree Autobody (former) 4/25/2012 Pollution was detected in a DEEP directed the property owner to On-site supply well impacted with and 409 Bridgeport Avenue drinking water well but is below sample the onsite supply well and below standards. 3 off-site supply wells standards. Pollution detected in sample the 4 nearest supply wells for within 500 feet of site not impacted or pollution groundwater above standards pollutants detected at the site. below standards. Quarterly potable supply well may threaten a drinking water monitoring implemented. well.

Updated as of: Thursday, October 29, 2015 All Districts Page 62 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Shelton Site/location Date Notified Type of Hazard Response Action

Industrial Building 9/7/2011 Pollution in the top two feet of soil DEEP directed the property owner to Initially, warning signs posted and fence 710 Bridgeport Avenue may pose a risk to human health inform persons with potential for installed to limit the potential for contact with as a result of direct contact. exposure, post warning signs, and polluted soil. Soil exceeding threshold limits install a fence or otherwise secure the was then removed. No additional abatement area to limit access to the polluted soil action necessary. Certification of abatement until the site is cleaned up. issued.

Viking Tool, Inc. 9/1/2011 Pollution was detected in a DEEP directed the property owner to 4 wells identified and 2 wells sampled (on-site 445 Access Road drinking water well at levels that sample an onsite supply well, identify well and one off-site well). Pollution not require further evaluation. supply wells within 500 feet of the site, detected. Access was denied for sampling of 2 sample nearby wells for pollutants wells. No additional abatement action detected at the site, and post warning necessary. signs at locations where onsite well water may be consumed. Sherman Site/location Date Notified Type of Hazard Response Action

Rizzo's Garage 12/2/2011 Pollution was detected in a DEEP directed the property owner to Resampling of on-site well detected 2 Route 39 North drinking water well above provide an alternate supply of potable contamination below criteria and bottled water standards. water to the site and to re-test the on- is being provided. 7 adjacent properties site well and nearby wells for pollutants identified and 3 wells sampled. Off-site results detected at the site. were non-detect for tested constituents. Site investigation on-going.

Rizzo's Garage 11/28/2011 Pollution detected in groundwater DEEP directed the property owner to Resampling of on-site well detected 2 Route 39 North above standards may threaten a sample the onsite and nearby identified contamination below criteria and bottled water drinking water well. wells within 500 feet for pollutants is being provided. 7 adjacent properties detected at the site and to provide an identified and 3 wells sampled. Off-site results alternate supply of water if pollutants were non-detect for tested constituents. Site detected in drinking water wells above investigation on-going. standards. Simsbury Site/location Date Notified Type of Hazard Response Action

Mobil Service Station No,. 01-QQC 6/9/2010 Pollution detected in groundwater DEP directed the property owner to The nearby potable wells were sampled and no 955 Hopmeadow Street above standards may threaten a confirm if a neigboring supply well contaminants of concern were detected. drinking water well. exists and, if so, sample the well for pollutants detected at the site.

Shell Facility #136370 4/15/2004 Pollution was detected in a DEP reviewed additional sampling data, Filter was provided to the impacted well. 12 Albany Turnpike drinking water well above which showed pollution was below Subsequent samples from the impacted well standards. standards, and recommended have indicated that petroleum hydrocarbons additional sampling of well. are not detected.

Updated as of: Thursday, October 29, 2015 All Districts Page 63 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Simsbury Site/location Date Notified Type of Hazard Response Action

Shell Facility #136370 12/29/2003 Pollution detected in groundwater DEP directed the property owner to Additional sampling conducted, pollution 12 Albany Turnpike above standards may threaten a identify and sample nearby wells for detected above standards. Additional hazard drinking water well. pollutants detected at the site. DEP notification submitted 04/15/2004. Treatment reviewed the additional data, which system installed and subsequent samples showed pollution below standards, and indicate pollution not detected. required additional sampling of the well. Somers Site/location Date Notified Type of Hazard Response Action

495 Springfield Road 8/8/2008 Fuel Oil detected in groundwater DEP directed the property owner to 2/09 groundwater monitoring did not detect 495 Springfield Road may threaten a drinking water conduct quarterly monitoring of on-site volatile organic substances or petroleum well. and adjacent potable water supply wells hydrocabons. Monitoring continuing. and to continue monitoring an installed sub-slab depressurization system.

Conval, Inc. 7/16/2003 Pollution was detected in a DEP directed the property owner to Sampling conducted at one well, pollution not 265 Field Road drinking water well but is below identify and sample nearby wells for detected. Reports are provided to DEP and standards. pollutants detected at the site. DPH. Looking to complete 1 year monitoring in 2009 with compliance to be to background.

Somers Xtramart 11/23/2010 Pollution detected in groundwater DEP directed the property owner to Potable supply wells were sampled and did not 169 Main Street above standards may threaten a sample nearby potable supply wells for contain petroleum or benzene. The potable drinking water well. pollutants detected at the site. supply wells will continue to be sampled for contaminants of concern. South Windsor Site/location Date Notified Type of Hazard Response Action

Ful-Line Auto 8/24/2005 Pollution detected in groundwater DEP directed the property owner to No drinking water supply wells identified within 1546 John Fitch Boulevard above standards may threaten a continue to sample the onsite supply 500 ft. Onsite drinking water well sampled with drinking water well. well and identify wells up to 500 feet no detections of volatile organic compounds. away from the site.

Mobil #01-QQA 6/11/2007 Petroleum products in DEP directed the property owner to Installed product recovery system and sampled 249 Oakland Road groundwater treaten a drinking implement a proposed plan to install a downgradient supply wells with no detection of water well. product recovery system, monitor petroleum products. potable water supply wells and continue A surface water body is impacted to treat and monitor the impacted by free product migrating from the stream. site.

Orchard Hill School (New) 12/15/2014 Pollution in the top two feet of soil DEEP directed the property owner to No wells are located within 500ft. 350 Foster Street may pose a risk to human health conduct receptor survey and develop as a result of direct contact. soil management plan.

Updated as of: Thursday, October 29, 2015 All Districts Page 64 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

South Windsor Site/location Date Notified Type of Hazard Response Action

Spelucin Property 5/13/2013 Pollution detected in groundwater DEEP directed the property owner to Downgradient drinking water wells sampled 1708 Ellington Road above standards may threaten a contiue to monitor onsite groundwater multiple times and contained no contaminants drinking water well. condition and submitt annual reports. of concern Southbury Site/location Date Notified Type of Hazard Response Action

KAN-PAK 11/4/2002 Pollution detected in groundwater DEP reviewed additional information No specific hazard abatement action 425 Main Street North above standards may threaten a provided and determined the pollution drinking water well. does not pose a risk to supply wells.

Regal Cleaners 5/14/2003 Pollution detected in groundwater DEP directed the property owner to Wells sampled, one polluted above action 220 Main Street South above standards may threaten a sample wells identified within 200 feet level; treatment provided; pollution later drinking water well. of the site for pollutants detected at the decreased below standard. Groundwater site. monitoring shows plume now below action levels. No additional abatement action necessary. Certification of abatement issued.

Shell Station #136373 12/3/2003 Pollution detected in groundwater DEP directed property owner to identify All water supply wells sampled once. Access 121 Main Street North above standards may threaten a and sample nearby wells for pollutants denied for on-going supply well monitoring. No drinking water well. detected at the site. significant pollution detected. Source of pollution removed. Monitoring program for groundwater implemented.

Shepaug Hydroelectric Station 4/5/2006 Pollution detected in groundwater DEP reviewed additional sampling data On-site well was sampled, and pollution was 2225 River Road above standards may threaten a for the threatened on-site well and not detected. Bottled water is used for drinking drinking water well. determined that pollution is not, in fact, water purposes. Long term monitoring is in present in the well. place until site remediation complete. No additional abatement action necessary.

Space Swiss 10/25/2004 Pollution was detected in drinking DEP directed the property owner to Water line extension completed. All 238 Reservoir Road water wells, and some have identify and sample additional wells up contaminated wells closed. No further hazard pollution above standards. to 1000 feet away from the site for abatement action necessary. Certification of pollutants detected at the site, and to abatement issued. provide bottled water or treatment to property with polluted wells above standards.

Space Swiss 11/25/2003 Pollution was detected in a DEP directed the property owner to All nearby residences now connected to public 238 Reservoir Road drinking water well but is below identify and sample nearby wells for water. No further hazard abatement action standards. pollutants detected at the site. necessary. Certification of abatement issued.

Space Swiss 10/6/2004 Pollution detected in groundwater DEP directed the property owner to Three wells sampled, two had pollution above 238 Reservoir Road above standards may threaten a identify and sample nearby wells for standards, bottled water provided initially. drinking water well. pollutants detected at the site. Water supply line installed and affected residences connected. No further hazard abatement necessary. Certification of abatement issued.

Updated as of: Thursday, October 29, 2015 All Districts Page 65 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Southington Site/location Date Notified Type of Hazard Response Action

Marion Mall XtraMart 9/3/2004 Pollution detected in groundwater DEP directed the property owner to All potable wells within 1,000 ft of the site were 2201 Route 322 (Meriden-Waterbury Turnpike) above standards may threaten a identify and sample wells up to 500 feet connected to public water. No further drinking water well. from the site for pollutants detected at abatement action necessary. Certification of the site. abatement issued.

Milldale XtraMart 9/3/2004 Pollution detected in groundwater DEP directed the property owner to One drinking water supply well identified within 1611 Route 322 (Meriden-Waterbury Turnpike) above standards may threaten a identify and sample wells up to 500 feet 500 feet of the site. The location was vacant drinking water well. from the site for pollutants detected at and as a result no sample was collected. the site. Ongoing investigation.

New Star Dry Cleaners / Carriage Trade Cleaner 5/20/2003 Polluted groundwater beneath an DEP reviewed sampling data and No specific hazard abatement action 415 North Main Street occupied building could affect determined that the groundwater indoor air quality. pollution does not in fact pose a significant threat to indoor air quality.

Southington Control Facility 5/20/2008 Pollution in the top two feet of soil DEP directed the property owner to The area of elevated PCBs is located within the 12 Maxwell Noble Drive may pose a risk to human health expand the barrier fence perimeter, fenced facility. The majority of the area of as a result of direct contact. install a temporary cover over highly elevated PCBs is isolated by a perimeter PCB impacted soil (above 30 ppm), barrier. and provide a plan for short term and long term soil removal actions. Sprague Site/location Date Notified Type of Hazard Response Action

Pautipaug Country Club 5/3/2007 Pollution detected in groundwater DEP directed the property owner to On-site and nearby wells sampled and were 7 Dows Lane above standards may threaten a sample the onsite supply well and non-detect for pollution present at the site. drinking water well. identify and sample nearby wells for Source remediated. No further abatement pollutants detected at the site, and to action necessary. Arsenic determined to be provide a plan to remove the source of naturally occurring. the contamination.

Taylor Site 10/31/2007 Pollution detected in groundwater DEP directed the property owner to The potentially threated well was sampled by 40 Hanover-Versailles Road above standards may threaten a identify and sample nearby wells for DEEP in April 2015 to confirm absence of drinking water well. pollutants detected at the site. hazard condition. Pollution was not detected. No further abatement action is necessary. Stafford Site/location Date Notified Type of Hazard Response Action

Residence 10/2/2012 Pollution in the top two feet of soil DEEP directed the property owner to Local health department provided 194 East Street may pose a risk to human health submit a plan to identify the extent of documentation indicating that surface soil was as a result of direct contact. polluted soil, notify site occupants, and covered with plastic cover and mulch layer, remove or limit access to the polluted preventing contact and risk. Local health soil. department to supervise additional abatement of lead-impacted soils.

Updated as of: Thursday, October 29, 2015 All Districts Page 66 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Stafford Site/location Date Notified Type of Hazard Response Action

TTM Technologies 11/13/2007 Pollution in the top two feet of soil DEP directed the property owner to Polluted soil removed; no additional abatement 4 Old Monson Road may pose a risk to human health inform persons with potential for action necessary. Certification of abatement as a result of direct contact. exposure, post warning signs and issued. install a fence or otherwise secure the area to limit access to the polluted soil until the site is cleaned up. Stamford Site/location Date Notified Type of Hazard Response Action

120 Long Ridge LLC, Parcel B-R 9/25/2008 Pollution detected in groundwater DEP reviewed information provided and No specific hazard abatement action necessary 120 Long Ridge Road that discharges to a surface water determined that the groundwater body may pose a risk to aquatic pollution does not in fact significantly life. threaten aquatic life.

120 Long Ridge LLC, Parcel B-R 6/19/2009 Pollution detected in groundwater DEP directed the property owner to Eight drinking water wells sampled, pollution 120 Long Ridge Road above standards may threaten a sample private supply wells up to 500 not detected. No additional abatement action drinking water well. feet away from the site for pollutants necessary. detected at the site and provide an alternative supply of potable water if necessary.

Antares Gateway SPE, LP 5/2/2008 Pollution in the top two feet of soil DEP reviewed information provided and No direct exposure pathway to polluted soil 424 Washington Boulevard may pose a risk to human health established that the polluted soil is in a exists, and this security will be maintained until as a result of direct contact. secure and fenced area, limiting the site is remediated. Remediation will be potential for contact. DEP requested completed during re-development activities this security be maintained, and a proposed for the site. report be submitted when planned remediation is completed.

Antares Walter Wheeler Drive 7/5/2007 Pollution in the top two feet of soil DEP directed the property owner to Excavation and off-site disposal of hazardous 69 Walter Wheeler Drive & 25 Washington Blvd. may pose a risk to human health delineate the extent of polluted soil and soils or placement of hazardous soils beneath as a result of direct contact. post warning signs, inform persons with an engineered control cap or building. Land potential for exposure, and maintain use restriction to be recorded to prevent fence and asphalt cover to limit access disturbance of soils. No further abatement to the polluted soil until the site is action necessary. cleaned up.

City Carting and Recycling 10/17/2012 Pollution detected in groundwater DEEP reviewed the well receptor No wells were found to be within 500 feet of the 39 and 42 Woodward Avenue above standards may threaten a survey information and determined that groundwater pollution; groundwater threat to drinking water well. supply wells are not located in the area surface water evaluated for site-specific and directed the property owner to conditions and determined to not significantly Pollution detected in groundwater investigate the extent and degree of impact surface water body or aquatic life. that discharges to a surface water groundwater pollution to evaluate the body may pose a risk to aquatic threat to surface water. life.

Updated as of: Thursday, October 29, 2015 All Districts Page 67 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Stamford Site/location Date Notified Type of Hazard Response Action

Commercial Property 1/22/2013 Pollution in the top two feet of soil DEEP directed the property owner to Area of polluted soil already paved, warning 860 Canal Street (aka 390 Ludlow Street) may pose a risk to human health identify the extent of polluted soil and sign posted. Groundwater threat to surface as a result of direct contact. secure the area to limit access to water evaluated for site specific conditions and polluted soil until the site is cleaned up determined to not significantly impact surface Pollution detected in groundwater and to sample groundwater to further water and aquatic life. that discharges to a surface water evaluate the threat to surface water and body may pose a risk to aquatic aquatic life. life.

Long Ridge Service Station 2/5/2008 Pollution detected in groundwater DEP directed the property owner to 33 wells identified and 20 wells sampled from 1095 Long Ridge Road above standards may threaten a sample the onsite and identified wells all owners granting permission. Pollution from drinking water well. within 500 feet for pollutants detected site not detected. No additional hazard at the site. abatement action necessary.

Pitney Bowes Facility 3/10/2006 Pollution in the top two feet of soil DEP directed the property owner to Polluted soils are covered by asphalt pavement 23 Barry Place may pose a risk to human health inform persons with potential for and site is secured, limiting potential contact as a result of direct contact. exposure, post warning signs and with polluted soil. maintain the pavement limiting access to the polluted soil until the site is cleaned up.

Residence 5/22/2015 Pollution detected in groundwater DEEP directed the property owner to Source of pollution removed, and monitoring 198 East Middle Patent Road above standards may threaten a retest the onsite supply well and a data shows threatened wells not affected. No drinking water well. nearby well to ensure they remain additional abatement action necessary. unaffected.

Residence 4/29/2015 Pollution detected in groundwater DEEP directed the property owner to Source of pollution removed. 3 wells identified 733 long Ridge Road above standards may threaten a identify and sample wells up to 300 feet within 500 feet of the property, pollution was drinking water well. away from the former tank location for not detected in the 3 wells sampled. No pollutants detected at the site. additional abatement action necessary.

Residence 3/27/2015 Pollution detected in groundwater DEEP directed the property owner to re- Resampled onsite and adjacent potable wells 20 Malibu Road above standards may threaten a sample the onsite supply well and and no pollution detected. drinking water well. sample several nearby wells.

Residential Parcel (Source Unknown) 7/7/2009 Pollution was detected in a DEP required additional sampling of the Two samples were collected 2 to 3 weeks after Diamondcrest Lane drinking water well above private well for total petroleum the initial sample, and pollutants were not standards. hydrocarbons (TPH) 3 months after the detected above the analytical detection limit. initial sampling event to confirm that Additional samples collected 9 & 12/2009 and pollution is not in fact present in well. 3/2010 indicated that TPH is not present in the supply well.

Residential Property 12/23/2002 Pollution detected in groundwater DEP reviewed additional information No additional hazard abatement action 267 Thunder Hill Drive above standards may threaten a and determined that the pollution necessary. DEP recommended periodic drinking water well. release was limited, and that the sampling of the well. threatened well was tested, with no pollution detected.

Updated as of: Thursday, October 29, 2015 All Districts Page 68 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Stamford Site/location Date Notified Type of Hazard Response Action

Residential Property 9/6/2002 Pollution by fuel oil was detected DEP directed the property owner to Source of pollution removed. New well 216 East Middle Patent Road in a drinking water well. sample nearby wells for pollutants installed, and testing of it found no pollution. detected at the site, and to properly Additional sampling conducted, no pollution abandon the old on-site supply well. detected. Old well abandoned as required.

Residential Property 8/5/2004 Pollution was detected in a Homeowner uses bottled water and has Source of pollution remediated, five nearby 75 Partridge Road drinking water well above a water treatment system. DEP wells tested for pollutants detected on site, standards, and other pollution directed the property owner to identify concentrations below analytical detection limit. detected in groundwater above and sample the onsite well and any standards may threaten a wells located up to 500 feet from the drinking water well. site for pollutants detected at the site.

Residential Property 3/23/2005 Pollution was detected in a DEP reviewed additional sampling data Source of pollution removed, DEP will 90 Wellington Drive drinking water well above for affected wells and determined that coordinate further sampling to more standards. pollution in the wells was not conclusively determine water quality in the confirmed. DEP recommended wells. additional sampling to verify actual water quality in the wells.

Residential Property 12/18/2013 Pollution detected in groundwater DEEP directed the property owner to Tanks removed, treatment system installed, 5 351 Erskine Road [North Stamford] above standards may threaten a sample the two onsite wells and the potable wells and one well identified. drinking water well. private supply wells located All 6 wells sampled. Pollution not detected. immediately adjacent to the property for Status update requested. pollutants detected at the site and to submit a plan to monitor groundwater quality on site.

Stamford Industrial Park/Yale & Towne Complex 1/3/2007 Pollution in the top two feet of soil DEP directed the property owner to Up to 4 feet of soil excavated and disposed of Market, Henry, Canal & Pacific Streets may pose a risk to human health identify the extent of polluted soil, off-site or placed beneath an engineered as a result of direct contact. inform persons with potential for control (cap). A deed restriction will prohibit exposure, post warning signs, and disturbance of soils and cap. No further maintain the fence and bituminous abatement action necessary. concrete to limit access to the polluted soil.

Stamford Industrial Park/Yale & Towne Complex 3/13/2007 Pollution in the top two feet of soil DEP directed the property owner to Hazardous soil was excavated from beneath Market, Henry, Canal & Pacific Streets may pose a risk to human health delineate the extent of polluted soil and building and placed beneath an engineered as a result of direct contact. inform persons with potential for control outside the building footprint. An ELUR exposure, post warning signs, and will be recorded which will prevent disturbance maintain the concrete slab to limit of the engineeered control. No further action exposure to the polluted soil. necessary.

Updated as of: Thursday, October 29, 2015 All Districts Page 69 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Sterling Site/location Date Notified Type of Hazard Response Action

Residential Property 4/15/2008 Pollution detected in groundwater DEP directed the property owner to Source of pollution removed, and monitoring 703 Margaret Henry Road above standards may threaten a sample the threatened wells data shows threatened wells not affected. No drinking water well. periodically for the pollutants detected additional abatement action necessary. at the site, and advise DEP of any Certification of abatement issued. changes. Stonington Site/location Date Notified Type of Hazard Response Action

Densmore Oil Company 10/30/2009 Pollution was detected in DEP directed the company to sample Onsite well sampled. All contaminants of 38 Old Stonington Road groundwater above standards the on-site well for the pollutants concern were non-detect. The site is being and may threaten a drinking present at the site. remediated via soil removal and in situ water well. chemical oxidation.

Mon Ami French Cleaners (former) 12/5/2006 Polluted groundwater beneath an DEP directed the property owner to 1) No nearby drinking water wells identified. Sub- 11-13 Cottrell Street occupied building could affect determine if indoor air quality is being slab ventilation system was installed and indoor air quality. affected and, if so, recommend a operating to mitigate any potential vapors course of action; 2) perform a water beneath the building. Potential impacts to well inventory; and 3) assess impacts nearby surface water body still being evaluated. to surface water quality. Stratford Site/location Date Notified Type of Hazard Response Action

Airport Property part of Raymark OU 6 12/13/2012 Pollution in the top two feet of soil DEEP directed the property owner to Access restricted; remediation in progress by 1000 Great Meadow Road may pose a risk to human health inform persons with potential for EPA. as a result of direct contact. exposure, post warning signs, and secure the area to limit access to the polluted soil until the site is cleaned up.

Numet, Inc. 4/16/2012 Pollution detected in groundwater DEEP directed the property owner to Resampled monitoring wells, concentrations 50 Century Drive that discharges to a surface water resample the groundwater to further below standards; no potable wells identified body may pose a risk to aquatic evaluate the threat to surface water and within 500 feet of the groundwater pollution; no life. aquatic life. additional abatement action necessary.

U.S. Chrome Corporation 2/5/2004 Pollution detected in groundwater DEP directed the property owner to Monitoring program implemented, groundwater 175 Garfield Avenue that discharges to a surface water submit a plan to investigate the extent concentrations decreasing, closest surface body may pose a risk to aquatic and degree of groundwater pollution, water body located over 0.5 miles away. life. and to evaluate the threat to surface water and aquatic life.

Updated as of: Thursday, October 29, 2015 All Districts Page 70 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Suffield Site/location Date Notified Type of Hazard Response Action

Residential Property 8/15/2005 Pollution by fuel oil was detected DEP directed property owner to Treatment systems have been installed. Long- 1117 North Grand Street in a drinking water well. continue to sample potable water term monitoring and maintenance is conducted supply wells and maintain treatment by responsible party under Order SRD-197. systems. Thomaston Site/location Date Notified Type of Hazard Response Action

Residential Property 1/5/2010 Pollution detected in groundwater DEP directed the property owner to Pollution not detected for three consecutive 655 Fenn Road above standards may threaten a sample the onsite supply well for four quarters. Additional sampling completed for drinking water well. consecutive quarters and to identify potable and monitoring wells demonstrates the and sample wells up to 500 feet away absence of polluted groundwater within 500 from the site for pollutants detected at feet of the supply well and in the potable well. the site.

Route 8 Gasoline Spill 9/29/2011 Pollution associated with a Risk of explosion handled by DEEP Source area remediated. Six closest drinking Route 8 gasoline release may threaten a Spill Response Division at time of spill. water wells sampled and results were either drinking water well, pose a direct DEEP requested information on soil non-detect for all constituents tested or the exposure risk, threaten surface removal. DEEP directed the property constituents detected were not associated with water quality and pose an owner to sample the six nearby wells the tanker release. No additional abatement explosion risk. and evaluate the threat to surface water. action necessary. Thompson Site/location Date Notified Type of Hazard Response Action

Johnson Corrugated Products 2/23/2004 Pollution detected in groundwater DEP directed the property owner to Water treatment system installed. House 720 Thompson Road above standards may threaten a identify and sample wells up to 500 feet subsequently demolished and well no longer in drinking water well. from the site for pollutants detected at service. No addititonal abatement action the site. necessary.

Norampac Thompson Inc. 7/13/2004 Pollution was detected in a DEP directed the property owner to Water treatment system installed. House 720 Thompson Road drinking water well above conduct sampling of additional wells subsequently demolished and well is no longer standards. and install a water treatment system if in use. No addititonal abatement action pollution is confirmed. necessary. Tolland Site/location Date Notified Type of Hazard Response Action

Mobil Service Station #01-328 1/3/2003 Pollution was detected in a DEP directed the property owner to Additional sampling conducted, pollution 56 Merrow Road drinking water well but is below conduct periodic well sampling for remains below standards. No further action standards. pollutants detected at the site. necessary.

Updated as of: Thursday, October 29, 2015 All Districts Page 71 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Tolland Site/location Date Notified Type of Hazard Response Action

Tolland XtraMart 9/22/2005 Pollution was detected in a DEP reviewed the data provided and Wells identified and sampled, pollution either 153 Hartford Turnpike drinking water well but is below concluded water in the supply well is not detected or detected but below standards. standards, and other pollution potable. DEP directed the property detected in groundwater above owner to implement their proposed plan standards may threaten a to study groundwater on-site and re- drinking water well. sample nearby supply wells to confirm groundwater quality. Torrington Site/location Date Notified Type of Hazard Response Action

D'Angelo Property 8/4/2003 Pollution detected in groundwater DEP reviewed information provided and Well not in use; no specific hazard abatement 981 Torringford Street above standards may threaten a determined that the property with the action necessary. drinking water well. threatened well is vacant and the well is disconnected from the house.

Federal Business Products, Inc. 11/1/2010 Pollution detected in groundwater DEEP reviewed groundwater sampling Conducting quarterly sampling of groundwater 368 Ella T. Grasso Avenue above standards may threaten a data and determined the pollution is not monitoring wells. Owner conducted site drinking water well. resulting in significant impact to soil investigation and remediation under the and groundwater quality. property transfer program. Certification of abatement issued.

Getty Service Station No. 6817 4/24/2013 Pollution detected in groundwater DEEP directed the property owner to Abatement action plan submitted and nearby 1294 East Main Street above standards may threaten a submit a plan to abate the hazard supply wells sampled were non-detect for the drinking water well. condition. contaminant of concern.

IMI Cornelius Wilshire Facility (former) 8/22/2003 Pollution in the top two feet of soil DEP reviewed information provided and Polluted soil removed; no additional hazard 2788 Winsted Road may pose a risk to human health determined that the polluted soil has abatement action necessary. as a result of direct contact. been removed, eliminating the exposure risk.

Lucianos Cleaners (Former) 12/27/2013 Pollution detected in groundwater DEEP directed the property owner to Site being investigated and remediated under 233 East Main Street above standards may threaten a contiune the investigation and the property transfer program. drinking water well. remediation under the property transfer program.

Northside Drive Area 6/9/2004 Pollution was detected in a DEP provided bottled water and Reported problem is not caused by pollution. 60 Northside Drive drinking water well above conducted additional sampling. DEP No additional hazard abatement action standards. reviewed additional sampling and necessary. determined the well's water is not polluted above standards.

Northside Drive Area 4/23/2004 Pollution was detected in a DEP provided bottled water and Reported problem is not caused by pollution. Northside Drive drinking water well above conducted additional sampling. DEP No additional hazard abatement action standards. reviewed additional sampling and necessary. determined the well's water is not polluted above standards.

Updated as of: Thursday, October 29, 2015 All Districts Page 72 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Torrington Site/location Date Notified Type of Hazard Response Action

Northside Drive Area 5/14/2004 Pollution was detected in a DEP provided bottled water and Reported problem is not caused by pollution. Northside Drive drinking water well above conducted additional sampling. DEP No additional hazard abatement action standards. reviewed additional sampling and necessary. determined the well's water is not polluted above standards.

Residence 7/26/2012 Pollution in the top two feet of soil DEEP directed the property owner to Soil to be removed following house restoration. 41-43 James Street may pose a risk to human health conduct the abatement action which as a result of direct contact. includes removing the top few inches of soil.

Residence 6/25/2012 Pollution in the top two feet of soil DEEP directed the property owner to Soil to be removed following house restoration 52 Cook Street may pose a risk to human health conduct the abatement action which as a result of direct contact. includes removing the top few inches of soil.

Residence 10/20/2008 Pollution detected in groundwater DEP directed the property owner to No volatile organic compounds detected in 30 Apter Drive above standards may threaten a identify wells within 500 feet and identified and sampled downgradient wells; drinking water well. sample the closest downgradient impacted soil removed and passive venting potable water supply well. system installed for remediation. No additional hazard abatement action necessary. Certification of abatement issued.

Residential Dwelling 2/23/2011 Pollution in the top two feet of soil DEEP directed the property owner to Soil to be removed following house restoration. 84 Pearl Street may pose a risk to human health complete the abatement plan proposed as a result of direct contact. in the Significant Environmental Hazard Notification to remove and replace the contaminated soil.

Torrington Company Standard Plant (former) 4/8/2004 Polluted groundwater beneath an DEP directed the property owner to Additional sampling showed pollution does not 59 Field Street occupied building could affect determine if indoor air quality is being pose a significant risk to indoor air quality. indoor air quality. affected and provide a plan of action.

Wilson Dodge & Nissan 2/26/2003 Pollution detected in groundwater DEP directed the property owner to All identified wells that granted access were 1530 East Main Street above standards may threaten a identify and sample nearby wells for sampled for the contaminants of concern. drinking water well. pollutants detected at the site. Lead identified in the first sampling round was determined to be due to sampling error. All sampled supply wells were non-detect for the contaminants of concern.

Updated as of: Thursday, October 29, 2015 All Districts Page 73 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Union Site/location Date Notified Type of Hazard Response Action

Union School 5/21/2008 Pollution was detected in a DEP directed the property owner to Fence installed; subsequently pesticide 18 Kinney Hollow Road drinking water well above maintain an existing filter and identify impacted soil removed and new well drilled standards. and sample nearby wells. away from remediated area. No further abatement action necessary. Pollution in the top two feet of soil DEP directed the property owner to may pose a risk to human health post warning signs, install a fence to as a result of direct contact. limit access to polluted soil, and submit a surface soil removal plan. Vernon Site/location Date Notified Type of Hazard Response Action

Mobil #01-QQQ 2/15/2008 Pollution detected in groundwater DEP directed the property owner to Continuing to sample on-site and off-site 1292 Hartford Turnpike above standards may threaten a continue to monitor offsite monitoring monitoring wells. Latest report received in 6 /09 drinking water well. wells and to sample residential drinking and 2/09. water wells if the monitored wells become impacted.

Roosevelt Mills 2/6/2015 Pollution in the top two feet of soil DEEP directed the property owner to Site being remediated under the propertry 215 East Main Street may pose a risk to human health submit a plan to address the metals transfer program. as a result of direct contact. contamination in accordance to the property transfer program.

Texaco Facility #100037 (former) 2/18/2004 Pollution detected in groundwater DEP directed the property owner to Additional sampling conducted, no site-related 444 Hartford Turnpike above standards may threaten a identify and sample nearby wells for pollutants detected. Other pollutants were drinking water well. pollutants detected at the site. detected but are below standards. No further hazard abatement action necessary. Voluntown Site/location Date Notified Type of Hazard Response Action

Hartikka Tree Farm 6/20/2006 Pollution was detected in a DEP directed the property owner to On-site and nearby wells identified and 262 Wylie School Road drinking water well but is below sample the onsite supply well and sampled, pollution either not detected or standards. identify and sample wells up to 500 feet detected but below standards. No further away from the site for pollutants action necessary. detected at the site.

Voluntown Shell 10/9/2012 Pollution detected in groundwater DEEP directed the property owner to 11 wells sampled, pollution either not detected 251 Main Street above standards may threaten a sample the onsite supply well and or detected but below standards. Monitoring drinking water well. identify and sample nearby wells for program implemented. pollutants detected at the site.

Updated as of: Thursday, October 29, 2015 All Districts Page 74 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Wallingford Site/location Date Notified Type of Hazard Response Action

Barberino Property (former) 6/9/2005 Pollution detected in groundwater DEP directed the property owner to The property owner redeveloped and Pent Road that discharges to a surface water resample the groundwater to further resampled the well and the levels of copper body may pose a risk to aquatic evaluate the threat to surface water and and zinc were below standards. No further life. aquatic life. abatement action necessary. Certification of abatement issued.

Century Fireplace Furnishings 9/29/2006 Polluted groundwater beneath an DEP reviewed sampling data and A sensitive receptor study will be completed 856 North Main Street Ext. occupied building could affect determined that the groundwater and a subslab depressurization system will be indoor air quality. pollution could pose a significant threat installed. Contaminated soils were removed to indoor air quality. and injection was done.

CYTEC Industries 4/7/2009 Pollution in the top two feet of soil DEP directed the property owner to PCB containing soils from the impacted area South Cherry Street may pose a risk to human health submit a plan to identify the extent of were excavated and removed from the site for as a result of direct contact. polluted soil, notify site occupants, and disposal. limit access to the polluted soil.

Marquette Medical Systems/Corometrics Facility 5/18/2004 Pollution detected in groundwater DEP directed the property owner to A Sensitive Receptor Survey was completed in 61 Barnes Industrial Park North above standards may threaten a identify and sample wells up to 500 feet July 2004. Identified wells were sampled; drinking water well. from the site for pollutants detected at these wells were last sampled in 2012. All the site. samples were reported as non-detect for pesticides.

Masonic Healthcare Center 12/19/2008 Pollution in the top two feet of soil DEP directed the property owner to Access is restricted; no specific hazard 22 Masonic Avenue may pose a risk to human health post warning signs and inform persons abatement action necessary. as a result of direct contact. with potential for exposure. Washington Site/location Date Notified Type of Hazard Response Action

Washington Depot (former) 4/1/2008 Pollution detected in groundwater DEP directed the property owner to Petroleum impacted soil removed. All five 1 Green Hill Road above standards may threaten a sample nearby wells for pollutants downgradient water supply wells sampled; drinking water well. detected at the site. pollution was not detected. Wells determined not to be hydraulically downgradient. No further abatement action necessary. Certification of abatement issued.

Washington Substation 5/12/2004 Pollution in the top two feet of soil DEP reviewed information provided and Initially access to polluted soil was restricted in Route 47 may pose a risk to human health determined that warning signs are a fenced electrical substation. Polluted soil as a result of direct contact. posted and the polluted soil is in a exceeding criteria was removed. No further secure and fenced area, limiting the abatement action necessary. potential for contact.

Washington Supply Company, Inc. Property 12/23/2004 Pollution detected in groundwater DEP directed the property owner to Judea Water Co Water Supply Well #2 and 2 2 Calhoun Street above standards may threaten a identify and sample wells up to 500 feet existing private drinking water supply wells drinking water well. away from the site for pollutants sampled. All results were "non-detect" for detected at the site. contaminants of concern. No additional hazard abatement action necessary. Certfication of abatement issued.

Updated as of: Thursday, October 29, 2015 All Districts Page 75 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Waterbury Site/location Date Notified Type of Hazard Response Action

Chase Collegiate School 10/5/2007 Pollution in the top two feet of soil DEP determined that polluted soil is Polluted soil removed; no additional hazard 565 Chase Parkway may pose a risk to human health under pavement and extent of polluted abatement action necessary. Certification of as a result of direct contact. soil is delineated. DEP directed abatement issued. property owner to submit plan to notify persons with potential for exposure, to install fence, and to remove polluted soil.

Commercial Property 4/14/2009 Pollution detected in groundwater DEP reviewed information provided and Groundwater threat to surface water evaluated 1713 Thomaston Avenue that discharges to a surface water determined that the groundwater for site specific conditions and determined to body may pose a risk to aquatic pollution does not in fact significantly not significantly impact surface water and life. threaten aquatic life. aquatic life.

Everybody's Market (former) 7/8/2011 Pollution detected in groundwater DEEP directed the property to supply Groundwater threat to surface water evaluated 1200 South Main Street that discharges to a surface water additional information to further for site specific conditions and determined to body may pose a risk to aquatic evaluate the threat to surface water and not significantly impact surface water and life. aquatic life. aquatic life.

Haydon Switch & Instrument, Inc. 10/26/2005 Polluted groundwater and soil DEP directed the property owner to No wells were found to be within 500 feet of the 1500 Meriden Road vapor beneath an occupied identify private drinking water wells up groundwater pollution. Vent system installed to building could affect indoor air to 1/4 mile away from the site; and to prevent impact on indoor air quality. quality. submit a plan to monitor groundwater, Groundwater monitoring ongoing. No additional to characterize the impact on indoor air hazard abatement action necessary. quality, and to develop a remedy to limit the impact.

ITW Waterbury Buckle 3/2/2010 Pollution in the top two feet of soil DEP directed property owner to inform Access to polluted soil is restricted by asphalt. 952 South Main Street may pose a risk to human health persons with potential for exposure and as a result of direct contact. to limit access to soil until the site is cleaned up. Polluted groundwater beneath an DEP reviewed groundwater data and Groundwater data shows that pollution is not at occupied building could affect determined that pollution does not pose levels that pose a significant risk to indoor air indoor air quality. a significant indoor air quality threat. quality. Monitoring program implemented.

Jonathan E. Reed School 4/10/2012 Pollution detected in groundwater DEEP directed the property owner to Groundwater threat to surface water evaluated 33 Griggs Street that discharges to a surface water provide additional information for site specific conditions and determined that body may pose a risk to aquatic pertaining to the hazard condition. identified threat was due to false positive life. results during groundwater sampling. Certification of abatement issued.

Lot 6, Waterbury Industrial 12/9/2013 Pollution detected in groundwater DEEP directed the property owner to Groundwater threat to surface water evaluated 1917 Thomaston Avenue that discharges to a surface water perform proposed groundwater for site specific conditions and does not appear body may pose a risk to aquatic monitoring and source investigation. to significantly impact surface water. life. Resampling in Feb 2014 indicates that concentrations are decreasing. Evaluation of pollution sources is ongoing.

Updated as of: Thursday, October 29, 2015 All Districts Page 76 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Waterbury Site/location Date Notified Type of Hazard Response Action

MacDermid, Inc. 6/12/2015 Pollution detected in groundwater DEEP directed the property owner to Action pending. 245 Freight Street that discharges to a surface water investigate the extent and degree of body may pose a risk to aquatic groundwater pollution and to evaluate life. the threat to surface water and aquatic life.

Nelson Heat Treating 3/28/2011 Pollution detected in groundwater DEP directed the property owner to DEEP staff led a source removal and mitigation 2046 North Main Street that discharges to a surface water submit a plan to investigate the extent action at the site. Groundwater from the body may pose a risk to aquatic and degree of groundwater pollution, locations that originally triggered the hazard life. and to evaluate the pollution migration condition were resampled and found to be non- and the threat to surface water and detect. No additional abatement action aquatic life. necessary.

Parcel 10 Waterbury Industrial Commons 2/13/2015 Pollution in the top two feet of soil DEEP reviewed information provided Area is fenced and warning signs posted. 2121 Thomaston Avenue may pose a risk to human health and determined that the polluted soil is as a result of direct contact. in a secure area, limiting the potential for contact. DEEP required regular reports that this condition is being maintained until a planned remediation is completed.

PGP Industries, Inc. (former) 9/25/2002 Pollution in the top two feet of soil DEP reviewed information provided and Access to polluted soil is limited by pavement. 46 Municipal Road may pose a risk to human health determined that the polluted soil is Property is unoccupied and secured. Hazard as a result of direct contact. under pavement and in a fenced area, condition is controlled by Engineered Control limiting the potential for contact. Cap approved for the site in May 2011. No further abatement action necessary.

Residence 7/20/2012 Pollution in the top two feet of soil DEEP directed the property owner to Lead abatement action performed under public 2259 North Main Street may pose a risk to human health inform persons with potential for health program. Management plan as a result of direct contact. exposure, post warning signs, and implemented to monitor lead surfaces and install a temporary fence to limit access control exposures during any maintenance to the polluted soil until the site is projects. cleaned up.

UConn Waterbury Campus (former) 6/8/2007 Pollution in the top two feet of soil DEP directed the property owner to Polluted soil removed; no additional abatement 32 Hillside Avenue may pose a risk to human health inform persons with potential for action necessary. Certification of abatement as a result of direct contact. exposure by posting warning signs and issued. installing a fence to limit access to polluted soil until the site is cleaned up and to submit a plan to identify the extent of polluted soil.

W.D. Stanley Co. (former) 3/15/2013 Pollution was detected in a DEEP directed the property owner to: Water supply wells with treatment systems and 3821 East Main Street drinking water well above provide a schedule for monitoring two 4 nearby supply wells sampled (no access to 2 standards. water supply wells with treatment wells and 2 homes connected to public water). systems; test eight nearby supply wells; No pollution found in drinking water. No on-site Polluted groundwater beneath an evaluate vapor impact to buildings; and vapor impact found. Off-site vapor impact occupied building could affect provide a plan of action to limit vapor being evaluated. indoor air quality. impacts.

Updated as of: Thursday, October 29, 2015 All Districts Page 77 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Waterbury Site/location Date Notified Type of Hazard Response Action

Yankee Gas Former Waterbury North MGP 3/7/2011 Pollution in the top two feet of soil DEP reviewed information provided and Warning signs posted, site secured, and Jackson Street may pose a risk to human health determined that the polluted soil is in a fenced to limit the potential for contact with as a result of direct contact. secure and fenced area, limiting the polluted soil. potential for contact. DEP directed the owner to post warning signs to further limit exposure to soil until the site is cleaned up.

Yankee Gas Former Waterbury North MGP 9/13/2013 Pollution detected in groundwater DEEP directed property owner to Groundwater threat to surface water evaluated Jackson Street that discharges to a surface water evaluate nature, extent and degree of for site specific conditions and determined to body may pose a risk to aquatic groundwater pollution to determine the not significantly impact surface water and life. threat to surface water and aquatic life aquatic life. Evaluation of groundwater near the site by providing site-specific conditions by owner is on-going. dilution calculation and groundwater monitoring information

Yankee Gas Work Center 9/2/2003 Pollution in the top two feet of soil DEP reviewed information provided and Warning signs posted, area secured, and fence 47 Eagle Street may pose a risk to human health determined that the polluted soil is in a installed to limit the potential for contact with as a result of direct contact. secure and fenced area, limiting the polluted soil. Maintenance of controlled potential for contact. DEP directed the condition will continue until soil is remediated property owner to post warning signs. by owner.

Yankee Gas Work Center 3/31/2003 Pollution in the top two feet of soil DEP directed the property owner to All soils exceeding hazard criteria have been 47 Eagle Street may pose a risk to human health inform site workers, post warning signs, remediated. No additional abatement action as a result of direct contact. and install a fence or secure the area to necessary. Certification of abatement issued. limit access to the polluted soil. Waterford Site/location Date Notified Type of Hazard Response Action

Cumberland Farms, Inc. Station #850636 4/25/2011 Pollution detected in groundwater DEP directed the property owner to Sampled four nearby wells. All wells were non- 47 Norwich-New London Turnpike (Norwich Roa above standards may threaten a sample nearby identified wells for detect for the pollutants at the site. Two drinking water well. pollutants detected at the site. properties refused access and were not sampled.

Hendel's, Inc. 8/30/2010 Pollution was detected in a DEP directed the property owner to 3 wells sampled, pollution either not detected 35 Great Neck Road drinking water well but is below resample the onsite groundwater well or detected but below standards. Monitoring standards. Pollution detected in and sample the three closest drinking program implemented. groundwater above standards water wells for the pollutants detected may threaten a drinking water at the site. well.

Updated as of: Thursday, October 29, 2015 All Districts Page 78 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Watertown Site/location Date Notified Type of Hazard Response Action

Eyelematic Manufacturing Corp. Inc. 10/18/2005 Polluted groundwater beneath an DEP directed the property owner to No drinking water wells identified within 1/4 1 Seemar Road occupied building could affect identify private drinking water wells up mile. Monitoring wells installed at indoor air quality. to 1/4 mile away from the site; and to downgradient property line. Sub-slab submit a plan to characterize the depressurization system installed to limit vapor impact on indoor air quality and develop migration into building. Monitoring is ongoing. a remedy to limit the impact.

Polk Elementary School 3/7/2008 Pollution in the top two feet of soil DEP directed the property owner to Polluted soil removed; no additional abatement 435 Buckingham Street may pose a risk to human health post warning signs and maintain action necessary. One well was identified as a result of direct contact. security of the area to limit access to within 500 feet and sampled, with no detection the polluted soil until the site is cleaned of the pollutants reported at the site. up. DEP directed the property owner to Certification of abatement issued. identify potable wells up to 500 feet away from the site.

Residential Property 3/28/2006 Pollution was detected in a DEP reviewed the sampling data for the Source of pollution removed and soil vapor 1650 Litchfield Road drinking water well but is below contaminated well and determined extraction and water treatment systems already standards. pollution in the well is at trace levels, in place. Monitoring data shows affected well is significantly below standards, and that significantly below standards. No additional the water is safe for human hazard abatement action necessary. consumption. Additionally, a water treatment system is in operation.

Ten Acre Mall 6/19/2009 Polluted groundwater beneath an DEP directed the property owner to Sampling of sub-slab soil vapor shows pollution 595 Straits Turnpike occupied building could affect submit a plan to delineate the extent of levels are below those that pose a significant indoor air quality. the groundwater plume and to evaluate risk to indoor air. Annual monitoring program the potential impact on nearby implemented for on-site and off-site wells to residences. evaluate dissolved phase volatile organic pollution.

Winchester Electronics Facility 8/10/2004 Pollution detected in groundwater DEP directed the property owner to Potentially impacted supply wells were 400 Park Road above standards may threaten a identify and sample wells up to 1000 sampled. No pollutants were detected. drinking water well. feet from the site for pollutants detected Investigation and remediation (if needed) of at the site. site continues under Property Transfer Program. West Hartford Site/location Date Notified Type of Hazard Response Action

Goodrich Pump & Engine Control Systems 7/25/2005 Polluted groundwater beneath an DEP directed the property owner to Recent groundwater monitoring data does not 1 Charter Oak Boulevard occupied building could affect determine if indoor air quality is being show present at concentrations indoor air quality. affected and provide a plan of action. exceeding the significant environmental hazard threshold.

Goodrich Pump & Engine Control Systems 11/10/2005 Pollution in the top two feet of soil DEP reviewed information provided and Access to polluted soil is limited; no specific 1 Charter Oak Boulevard may pose a risk to human health determined that the polluted soil is hazard abatement action necessary. as a result of direct contact. under pavement, limiting the potential for contact.

Updated as of: Thursday, October 29, 2015 All Districts Page 79 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

West Hartford Site/location Date Notified Type of Hazard Response Action

Jacobs Manufacturing (former) 6/22/2006 Polluted groundwater near or DEP directed the responsible party to Soil vapor under building tested, and found to 176 Newington Road beneath an occupied building submit a schedule for the necessary be below criteria. could affect indoor air quality. work to address the groundwater contamination issue and determine if there are any downgradient receptors impacted by the release.

Jacobs Manufacturing site (former) 12/6/2007 Pollution in the top two feet of soil DEP directed the property owner to Impacted soil removed; no further abatement 176 Newington Road may pose a risk to human health assess the extent and degree of PCB action necessary. as a result of direct contact. contamination within the impacted areas and conduct soil removal and disposal were necessary in accordance with current standards and regulations. West Haven Site/location Date Notified Type of Hazard Response Action

Baker Properties 7/25/2008 Pollution in the top two feet of soil DEP directed the property owner to Fence installed to limit the potential for contact 351 Morgan Lane may pose a risk to human health submit a plan to identify the extent of with polluted soil. as a result of direct contact. polluted soil and remove the polluted soil.

Proposed Magnet School 7/2/2013 Pollution in the top two feet of soil DEEP reviewed information provided The site has been secured and fencing 506 Boston Post Road may pose a risk to human health and determined that the polluted soil is installed to limit the potential for contact with as a result of direct contact. in a secure and fenced area limiting the polluted soil. potential for contact.

Seaboard Metal Finishing Company, Inc. 7/16/2012 Pollution detected in groundwater DEEP directed the property owner to Three downgradient wells identified and 50 Fresh Meadow Road above standards may threaten a sample the onsite monitoring wells and sampled. Pollution not detected in the wells. drinking water well. identify and sample nearby wells if onsite wells have detections of pollutants above criteria.

Superior Cleaners 5/23/2005 Pollution detected in groundwater DEP directed the property owner to Two residential water supply wells identifed 900 Orange Street above standards may threaten a identify and sample wells up to 500 feet with solvent pollution above action levels. drinking water well. away from the site for pollutants Carbon filters installed at both homes, with detected at the site. quarterly monitoring.

Superior Cleaners 2/6/2006 Pollution was detected at a level DEP directed the property owner to Inventory completed and carbon filter installed. 900 Orange Street above standards in a drinking provide an alternate supply of potable water well. water to affected property, and to provide an inventory of all drinking water supply wells within 500 feet, test results for these wells, and status of any untested wells.

Updated as of: Thursday, October 29, 2015 All Districts Page 80 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Westbrook Site/location Date Notified Type of Hazard Response Action

Residential Property 2/19/2010 Pollution was detected in a After reviewing information provided in DEP sampled the impacted well (3/31/10) and 31 Grove Beach Road North drinking water well, above the hazard notification, and historical found the water is potable. DEP sent letters to standards, in the course of information, the DEP concurs with the the property owners informing them of the monitoring conducted for a notifier that the nearby remediation site analytical results. The letter also nearby remediation site. is not the contamination source. recommended that the property owners sample their wells on a regular basis.

Superior Auto Body (Former) 11/12/2013 Pollution was detected in a DEEP advised the property owner to No specific abatement action necessary, but 39 Grove Beach Road North drinking water well but was below sample the onsite supply well periodic monitoring recommended as a best standards. Subsequent sampling periodically for the pollutant previously practice. Well re-sampled in 10/2013 and did not detect pollution in the well. detected in the well. 4/2014 and was non-detect for the parameters sampled. Certification of abatement issued.

Westbrook XtraMart 2/11/2009 Pollution detected in groundwater DEP directed the responsible party to All wells sampled, pollution either not detected 130 Boston Post Road above standards may threaten a submit an already completed sensitive or detected but below standards. drinking water well. receptor survey, analytical results for two potable water suppply wells already sampled, and proof that a third potable water supply well did not exist.

Woody's of Westbrook (former) 7/2/2015 Pollution detected in groundwater DEEP directed the property owner to Action pending. 1241 Boston Post Road above standards may threaten a sample the threatened well located at drinking water well. 41 Trolley Road quarterly for the pollutants detected at the site. Weston Site/location Date Notified Type of Hazard Response Action

Residence 9/28/2011 Pollution (an oil sheen) was DEEP directed the property owner Source of pollution removed, and monitoring 34 Ladder Hill Road South observed but not chemically remove free oil from the on-site well, to data shows affected well is significantly below detected in a drinking water well. sample the on-site supply well standards, no other supply wells identified periodically for the pollutants detected within 500 feet of the property. No additional at the site, and to identify supply wells abatement action necessary. Certification of within 500 feet of the property. abatement issued.

Residence 2/2/2009 Pollution was detected in a DEP directed the property owner to Oil impacted materials removed. Former water 6 Old Orchard Drive drinking water well above sample the onsite well for pollutants supply well sampled, pollution identified. Well standards. detected at the site. bailed, re-sampled no pollution detected. No pollution detected in active supply well. No additional abatement action necessary.

Residential Property 10/24/2002 Pollution was detected in a DEP reviewed sampling data and A water treatment system is installed; no 20 Old Stage Coach Road drinking water well but is below determined pollution in the well is specific hazard abatement action necessary. standards. significantly below standards, and the water is safe for human consumption.

Updated as of: Thursday, October 29, 2015 All Districts Page 81 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Weston Site/location Date Notified Type of Hazard Response Action

Residential Property 12/21/2010 Pollution detected in groundwater DEP directed the property owner to Monitoring program continuing; remediation of 200 Steep Hill Road above standards may threaten a continue monitoring potentially at risk source completed. drinking water well. wells, and to propose further monitoring focused by increased understanding of the pollution problem. Westport Site/location Date Notified Type of Hazard Response Action

Embalmers Supply Company/Dorr-Oliver Lab (fo 1/7/2010 Pollution in the top two feet of soil DEP reviewed information provided and No additional abatement action necessary at 25 Ford Road may pose a risk to human health determined that the polluted soil is this time. as a result of direct contact. under pavement limiting the potential for contact.

Metro North 9/19/2012 Pollution in the top two feet of soil DEEP reviewed information provided Warning signs will be posted and soil will be Station 1727+28 may pose a risk to human health and determined that the polluted soil is properly managed when disturbed during as a result of direct contact. located on a fenced active railroad line, construction. limiting the potential for contact. Wethersfield Site/location Date Notified Type of Hazard Response Action

Wilkus Farm 7/9/2009 Pollution detected in groundwater DEP directed the property owner to 4 wells identified and 4 wells sampled. 138 Willow Street above standards may threaten a sample the onsite supply well and Pollution not detected. No additional drinking water well. identify and sample wells up to 500 feet abatement action necessary. away from the site for pollutants detected at the site.

William Street Regulator Station 1/29/2004 Pollution in the top two feet of soil DEP reviewed information provided and Access to polluted soil is restricted because it 23 Williams Street may pose a risk to human health determined that warning signs are is in a fenced utility station; no specific hazard as a result of direct contact. posted and the polluted soil is in a abatement action necessary. secure and fenced area, limiting the potential for contact. Willington Site/location Date Notified Type of Hazard Response Action

I-84 TravelCenter 9/4/2002 Pollution detected in groundwater DEP reviewed additional sampling data Further sampling to be conducted as part of 327 Ruby Road above standards may threaten a and determined that pollution in the public water supply monitoring as required by drinking water well. water supply system water, as Department of Public Health. On-going delivered to the tap, meets applicable groundwater monitoring being performed. standards.

Mobil Station # 13693 (01-GL1) 5/26/2010 Pollution detected in groundwater DEP directed the property owner to All wells sampled, pollution either not detected 470 River Road above standards may threaten a sample the onsite supply well and or detected but below standards. Monitoring drinking water well. identify and sample nearby wells for program implemented. pollutants detected at the site.

Updated as of: Thursday, October 29, 2015 All Districts Page 82 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Wilton Site/location Date Notified Type of Hazard Response Action

Calitri Revocable Trust 2/23/2011 Pollution was detected in a DEP directed the property owner to Carbon filter installed. Building subsequently 46 Danbury Road drinking water well above provide an alternate supply of potable connected to public water and well abandoned. standards. water to the impacted building. No further abatement action needed.

Gateway Shopping Center 10/7/2014 Pollution detected in groundwater DEEP directed the property owner to 6 wells sampled, pollution either not detected 14 Danbury Road above standards may threaten a sample nearby wells for the polltuants or detected but below standards. Additional drinking water well. reported, and to submit a plan to groundwater sampling shows that pollution determine if indoor air quality could be does not pose a significant risk to indoor air affected at abutting residential quality. Monitoring program implemented. properties.

Mobil Service Station No. 01-340 4/14/2010 Pollution was detected in a DEP directed the property owner to Underground tanks removed 7/10. Some 932 Danbury Road drinking water well but is below resample the onsite supply well and supply wells sampled 6/10 for pollutants of standards. Pollution detected in sample 4 nearby wells for pollutants concern. Pollution detected onsite but below groundwater above standards detected at the site and provide results standards. Pollution not detected in tested may threaten a drinking water of the proposed tank removal activities. offiste wells; but access to some offsite well. residential wells not provided.

Residence 9/27/2011 Pollution detected in groundwater DEEP reviewed additional investigation Source of pollution substantially removed, and 25 Orems Lane above standards may threaten a and sampling data and determined the monitoring data shows threatened wells not drinking water well. pollution has been substantially affected. No additional abatement action removed from the site, and nearby necessary. wells were unlikely to be impacted..

Residence 12/16/2008 Pollution was detected in a DEP directed the local Health All wells sampled, pollution triggering the 30 Quail Ridge Road drinking water well above Department to provide an alternate hazard notification was not detected in standards. supply of potable water to the property subsequent testing (three rounds) of the well at owner and resample the well. DEP 30 Quail Ridge Road . Monitoring program also directed the Health Department to implemented and continues at the closed identify and samples wells up to 0.75 Wilton Landfill. miles from the Wilton Landfill.

Residence 6/26/2012 Pollution detected in groundwater DEEP directed the property owner to Source of pollution removed, monitoring 37 Kellogg Drive above standards may threaten a resample the on-site supply well and program implemented. drinking water well. monitoring wells and identify and sample nearby wells for pollutants detected at the site.

Residential Property 3/22/2011 Pollution detected in groundwater DEP directed the property owner to Monitoring found no impact to supply wells is 26 Pond Road above standards may threaten a sample the onsite supply well for associated wth the release. Polluted soil was drinking water well. pollutants detected at the property, treated and removed to the extent practical. No determine the extent of groundwater further active abatement or monitoring impacts detected on the property, and necessary. identify supply wells within 500 feet of the property.

Residential Property 11/22/2002 Pollution detected in groundwater DEP reviewed additional sampling data A water treatment system is installed; no 23 Rossimur Court above standards may threaten a for the threatened well and determined additional hazard abatement action necessary. drinking water well. that the presence of pollution was not DEP recommended periodic well testing. confirmed.

Updated as of: Thursday, October 29, 2015 All Districts Page 83 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Wilton Site/location Date Notified Type of Hazard Response Action

Residential Property 11/22/2006 Pollution detected in groundwater DEP directed the property owner to Source of pollution removed, and monitoring 68 Pipers Hill Road above standards may threaten a resample the on-site supply well and data shows affected well and groundwater are drinking water well. sample any water supply well within below standards. No additional hazard 500 feet of the site for pollutants abatement action necessary. detected at the site and investigate groundwater quality downgradient of the release location. Winchester Site/location Date Notified Type of Hazard Response Action

New England Bark Mulch 10/20/2006 Pollution detected in groundwater DEP directed the property owner to Onsite supply well contained no contaminants 167 Torrington Road above standards may threaten a sample the onsite supply well and above standards. Pollution source was drinking water well. identify and sample wells up to 500 feet removed and site is undergoing groundwater away from the site for pollutants monitoring. No off-site wells identified as at- detected at the site. risk. No additional hazard abatement action necessary.

Winchester XtraMart 1/11/2007 Pollution detected in groundwater DEP directed the property owner to Groundwater flow direction determined and no 102 Colebrook River Road above standards may threaten a identify the nearest downgradient offsite downgradient drinking water wells identified drinking water well. well and test it for volatile organic within 500 ft. No hazard condition exists under compounds and petroleum, and also to the law. Further site investigation is planned by provide a map of groundwater flow responsible party. directions. Windsor Site/location Date Notified Type of Hazard Response Action

Konica Minolta Business Solutions USA, Inc. 9/5/2008 Pollution in the top two feet of soil DEP directed the property owner to 550 gallon underground tank and 20-30 cubic 550 Marshall Phelps Road may pose a risk to human health implement a proposed action plan that yards of soil were removed in 12/08. as a result of direct contact. includes removal of impacted soil and collection of post remedial soil samples. Windsor Locks Site/location Date Notified Type of Hazard Response Action

Camp Hartel 6/7/2011 Pollution detected in groundwater DEEP directed the property owner to The sampled wells did not have detectable 580 North Street above standards may threaten a implement the abatement plan included concentrations of the target petroleum drinking water well. with the hazard notification and to compounds. sample identified threatened drinking water wells

Wood Group Power, Inc. 10/14/2009 Pollution in the top two feet of soil DEP directed the property owner to Fencing surounds site to prevent site access. 523 Halfway House Road may pose a risk to human health maintain fencing around site and erect Maintenance of controlled condition will as a result of direct contact. a sign warning of PCB contamination continue until soil is remediated by owner. until hazard condition is abated.

Updated as of: Thursday, October 29, 2015 All Districts Page 84 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Wolcott Site/location Date Notified Type of Hazard Response Action

Commercial Building 1/29/2014 Pollution detected in groundwater DEEP directed the property owner to All identified potable wells were sampled. All 1496 Wolcott Road above standards may threaten a sample the onsite supply well and the target compounds tested were below standards drinking water well. identified nearby wells for pollutants at point of water use. Site historical releases detected at the site. were remediated.

Eagle Cleaners 1/17/2007 Pollution was detected in a DEP directed the property owner to Property connected to municipal water 4/07. 372 Wolcott Rd drinking water well but is below resample the onsite supply well and Additional investigation results submitted standards. identify and sample wells up to 500 feet 5/16/07. Only two wells sidegradient to away from the site for pollutants pollution are still unsampled. detected at the site.

Max's Wolcott Gulf 1/11/2005 Pollution was detected in a See above response for 1/3/2005 All properties within a 500 foot radius have 685 Wolcott Road drinking water well but is below significant environmental hazard been connected to public water. No further standards. notification. abatement action is necessary pursuant to the significant environmental hazard.

Max's Wolcott Gulf 1/3/2005 Pollution was detected in a DEP directed the property owner to Remediation on-going. Pollution largely 685 Wolcott Road drinking water well above continue providing bottled water to contained and has significantly decreased in standards; and in another property with polluted wells above concentration and extent. Bottled drinking water well pollution was standards, and continue the current water/treatment provided where supply wells detected but was below monitoring program for other wells in polluted. Currently, all nearby supply wells standards. the area. connected to municipal water supply. Woodbridge Site/location Date Notified Type of Hazard Response Action

Parcel 9/23/2009 Pollution was detected in a DEP acknowledges receipt of this Mr. Merith Rozner, real estate agent for current 60 Woodfield Road drinking water well above SEHN and will follow up with the owner of 60 Woodfield Road, called to inform standards. property owner regarding actions that DEP that his client installed a filter system, at have been, and must still be, taken. the site, upon purchase of the property from Woodbridge Country Club, Inc.

Residential Property 1/30/2006 Pollution detected in groundwater DEP directed the property owner to Underground tank removed, soil and 78 Ansonia Road above standards may threaten a resample the onsite supply well and groundwater remediated. Contaminant levels drinking water well. identify and sample nearby wells for below all applicable criteria. pollutants detected at the site.

Town of Woodbridge Dog Pound 1/14/2003 Pollution was detected in a DEP reviewed additional sampling data Supply well was retested. Pollution was 135 Bradley Road drinking water well but is below and determined that pollution in the well consistantly detected significantly below standards. is significantly below standards, and the standards. No additional hazard abatement water is safe for human consumption. action necessary. DEP determined the well had already been resampled and results indicated water was potable.

Town of Woodbridge Public Works 9/20/2002 Pollution was detected in a DEP determined that pollution in the Source of pollution remediated; no additional 15 Meetinghouse Lane drinking water well but is below well is significantly below standards, hazard abatement action necessary. standards. and the water is safe for human Monitoring ongoing. consumption.

Updated as of: Thursday, October 29, 2015 All Districts Page 85 of 86 List of Significant Environmental Hazards Reported to the DEP Period covering 8/01/2002 through 9/30/2015

Woodbridge Site/location Date Notified Type of Hazard Response Action

Woodbridge Country Club 4/1/2011 Pollution in the top two feet of soil DEP directed the property owner to Signage has been posted and area has been 50 Woodfield Road may pose a risk to human health inform persons with potential for secured limiting access to the polluted soil. as a result of direct contact. exposure, post warning signs and secure the area to limit access to the polluted soil until the site is cleaned up. Woodbury Site/location Date Notified Type of Hazard Response Action

Connecticut Tube Products 3/27/2007 Pollution detected in groundwater DEP directed the property owner to Wells sampled, pollution detected below 194 Old Town Farm Road above standards may threaten a sample the onsite supply well and standards. No additional abatement action drinking water well. identify and sample nearby wells. necessary.

Pollution detected in groundwater DEP also requested resampling of the Groundwater threat to surface water evaluated that discharges to a surface water groundwater to further evaluate the for site specific conditions and determined to body may pose a risk to aquatic threat to surface water and aquatic life. not significantly impact surface water and life. aquatic life.

Dom's Lynn's Corner Deli 6/21/2005 Pollution detected in groundwater DEP directed the property owner to Six drinking water wells and site's well 1633 Main Street North above standards may threaten a identify and sample wells onsite and up sampled. Pollution was either not detected or drinking water well. to 500 feet away from the site for was detected significantly below standards. No pollutants detected at the site. further abatement action necessary.

Residence 1/16/2014 Pollution detected in groundwater DEEP reviewed sampling data for the 13 wells identified and 12 wells sampled, 1181 Main Street North above standards may threaten a threatened wells and determined pollution not detected. Plan for further drinking water well. pollution is not present in the wells. investigation and potential remediation of soil DEEP requested a plan for being implemented. Nearest 4 wells investigation and potential remediation resampled in Mar/Apr 2014, pollution not of soil along with further monitoring of detected. threatened wells, if necessary.

Woodbury Mobil 3/19/2004 Pollution detected in groundwater DEP reviewed additional actions taken At-risk wells sampled with no pollution 718 Main Street South above standards may threaten a and determined that they adequately detected, except in a well already with a drinking water well. address the reported hazard conditions. treatment system. Vent system operated to prevent impact on indoor air quality until 2006 Polluted groundwater beneath an when groundwater quality improved. No occupied building could affect additional abatement action required. indoor air quality. Woodstock Site/location Date Notified Type of Hazard Response Action

Woodstock Department Public Works Garage 5/19/2006 Pollution other than a substance DEP directed the property owner to Nearby wells identified and sampled. 215 Coatney Hill Road for which the commissioner has sample the onsite supply well and Monitoring program implemented. established a ground water identify and sample wells up to 1000 protection criterion was detected feet away from the site for sodium and in a drinking water well. chloride.

Updated as of: Thursday, October 29, 2015 All Districts Page 86 of 86