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List of Significant Environmental Hazards Reported to DEEP

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List of Significant Environmental Hazards Reported to DEEP List of Selected Significant Environmental Hazards Reported to DEEP Period covering 10/01/1998 through 8/31/2021 Avon Site/location Date Notified Type of Hazard Response Action Avon Municipal Landfill 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 1000 feet, including along New monitoring well for landfill. Monitoring program Road downgradient of the landfill, and continuing. Avon continue to conduct an already approved landfill monitoring program. Beacon Falls Site/location Date Notified Type of Hazard Response Action Watkins Bros. Machinery (Former) 1/4/2017 Pollution in the top two feet of soil DEEP reviewed information provided Extent of hazard delineated and warning signs 100 Railroad Avenue may pose a risk to human health and determined that polluted soil is in have been posted. Quarterly confirmation of as a result of direct contact. secure and fenced area, limiting access restrictions required. Beacon Falls potential contact, and requested warning signs be posted, the extent of polluted soil be delineated and submittal of periodic status reports. Berlin Site/location Date Notified Type of Hazard Response Action Best Cleaners 10/14/2016 Pollution detected in groundwater DEEP directed the property owner to Pollution is being monitored per General Permit 138 Mill Street above standards may threaten a evaluate the nature, extent and degree and work plan. Elevated copper, cadmium and drinking water well. of groundwater pollution to determine nickel levels appear to be limited to the onsite Berlin the threat to surface water near the site treatment area and do not extend off-site. Pollution detected in groundwater and to continue the best effort to obtain that discharges to a surface water the access and sample the identified body may pose a risk to aquatic potable well. life. Best Cleaners 1/23/2006 Pollution detected in groundwater DEP required additional sampling of a The one nearby well was sampled 5 times, with 138 Mill Street above standards may threaten a nearby identified well and identification no contamination detected. The well hasn't drinking water well. of any other drinking water wells within been sampled since the property became Berlin 500 feet of the site. vacant in 2013. Investigation has been completed and remediation is on-going at the site. Best Cleaners 6/27/2016 Pollution detected in groundwater DEEP directed the property owner to Pollution is being monitored per General Permit 138 Mill Street above standards may threaten a evaluate the nature, extent and degree and work plan. Elevated copper, cadmium and drinking water well. of groundwater pollution to determine nickel levels appear to be limited to the onsite Berlin the threat to surface water near the site treatment area and do not extend off-site. Pollution detected in groundwater and to continue the best effort to obtain that discharges to a surface water the access and sample the identified body may pose a risk to aquatic potable well. life. Updated as of: Wednesday, September 8, 2021 All Districts Page 1 of 49 List of Selected Significant Environmental Hazards Reported to DEEP Period covering 10/01/1998 through 8/31/2021 Berlin Site/location Date Notified Type of Hazard Response Action Corbin Russwin 11/17/1998 Polluted groundwater beneath an DEP required no specific action In 1999 the responsible party installed a sub 225 Episcopal Road occupied building could affect provided that investigation and slab ventilation system and a groundwater indoor air quality. remedation is onging in accordance treatment system. These systems were Berlin with established schedule and plan. expanded in 2004 and have been operating continuously since 1999 to current day. Annual monitoring report required. Northeast Utilities - Berlin Campus Settling Basin 10/1/2012 Pollution in the top two feet of soil DEEP directed the property owner to Modified PCB Remediation PlanRemediation 107 Selden Street may pose a risk to human health submit a plan to identify the extent of approved on December 2020. Remediation of as a result of direct contact. polluted soil and to remove the polluted the impacted soil completed in May 2021. Berlin soil. Residential Property 5/30/2001 Pollution detected in groundwater DEP reviewed the sampling data that Tank, impacted soil and groundwater removed. 769 Beckley Road above standards may threaten a showed no contaminatants related to Confirmatory supply well sampling tried by drinking water well. the spill and determined that no action DEEP August 2015; access denied/no Berlin was required at this time. response. Further DEEP actions not planned because the sustantial source mitigation limits potential future risk. Bethany Site/location Date Notified Type of Hazard Response Action Former Gun Club 12/8/2015 Pollution detected in groundwater DEEP directed the property owner to Olin, has purchased the property and is in the 53 Atwater Road above standards may threaten a sample supply wells within 500 feet, process of delineating the extent of the hazard drinking water well. develop a monitoring and maintenance condition and will work with the Town to Bethany program based on the sampling results, mitigate hazard on Atwater Rd if necessary. Pollution in the top two feet of soil submit a plan to identify the extent of may pose a risk to human health polluted soil and limit access to the as a result of direct contact. polluted soil. Pleasant View Garage 5/26/2004 Pollution detected in groundwater DEP directed the property owner to Well recepror survey submitted and 119-127 Amity Road above standards may threaten a sample the identified nearby wells for environmental consultant is in the process of drinking water well. pollutants detected at the site. contacting owners to gain access for sampling Bethany of the potable wells. Bolton Site/location Date Notified Type of Hazard Response Action Griffin Dewatering - New England, Inc. 4/19/2017 Pollution detected in groundwater DEEP directed the property owner to Owner action pending. 299 Hop River Road above standards may threaten a sample the onsite supply well and drinking water well. sample nearby wells for pollutants Bolton 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. Bolton detected at the site. Updated as of: Wednesday, September 8, 2021 All Districts Page 2 of 49 List of Selected Significant Environmental Hazards Reported to DEEP Period covering 10/01/1998 through 8/31/2021 Bolton Site/location Date Notified Type of Hazard Response Action 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 Bolton 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 Bozrah pollutants detected at the site. determine next steps. 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 Groundwater modeling indicates that site 35 Acorn Road that discharges to a surface water submit a plan to investigate the extent contaminants will not reach surface water body body may pose a risk to aquatic and degree of groundwater pollution, for approximately 500 years. Additional Branford life. and to evaluate the threat to surface monitoring being conducted. water and aquatic life. 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 Bridgeport life. and aquatic life in planned investigation conditions and determined to not significantly and remedial activity. impact surface water and aquatic life. 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 Bridgeport life. the threat to surface water and aquatic aquatic life. life near the site. 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. Bridgeport polluted soil.
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