Updated Source Water Assessment City of Myrtle Point PWS #4100551 November, 2016 Prepared for: City of Myrtle Point Prepared by: Department of Environmental Quality Agency Headquarters 700 NE Multnomah Street, Suite 600 Kate Brown, Governor Portland, OR 97232 (503) 229-5696 FAX (503) 229-6124 TTY 711 November 09, 2016 Randy Whobrey, Public Works Director City of Myrtle Point Public Water System 424 5th Street Myrtle Point, OR 97458 Re: Updated Source Water Assessment for PWS # 410551 Dear Mr. Whobrey, On behalf of the Oregon Health Authority (OHA), the Oregon Department of Environmental Quality (DEQ) is pleased to provide your community with important information in this Updated Source Water Assessment. The updated assessment is intended to provide information and resources to assist you and your community to implement local drinking water protection efforts. Since the first source water assessments were completed in 2005, state agencies have significantly expanded analytical capabilities, including more detailed data for analyzing natural characteristics and potential pollutant sources. DEQ is currently completing the updated assessments for surface water systems and OHA is updating the groundwater system assessments. As you know, assuring safe drinking water depends on public water suppliers implementing multiple successful practices. First, protect the drinking water source. Second, practice effective water treatment. Third, conduct regular monitoring for contaminants to assure safety. Fourth, protect the distribution system piping and finished water storage from recontamination. Finally, practice competent water system operation, maintenance, and construction. These practices are collectively called “multiple barrier public health protection”. Source water protection is an important first step because starting with the best possible quality source water helps assure that water treatment can be effective at all times. Source water protection is accomplished by effective state public health programs, environmental protection, land use policies, pro-active land stewardship, and by implementation of local drinking water protection efforts. The susceptibility of the public drinking water system source depends on both the natural conditions in the watershed as well as the anthropogenic activities in the watershed. This letter, with attached figures and technical information, constitutes your Updated Source Water Assessment. It supplements your original Source Water Assessment (link here: http://www.deq.state.or.us/wq/dwp/swrpts.asp ). One of the most important assets a public water system can have is accurate source water area mapping and visual resources to share with the community citizens and officials. The figures include a new regional map view of your watershed, topographic basemap with the source area delineated, and maps with natural characteristics, anthropogenic land uses, potential sources of pollutants, and historic landslides. Information on anthropogenic land uses in a drinking water source area is important for evaluating potential pollutant sources and working with stakeholders upstream. Tables are provided that include a summary of the types of potential pollutant sources present in your drinking water source area. There are also a variety of resources included in this document to assist you with drinking water source protection efforts. Appendix #1 provides a summary of how to use the information provided in the assessment to move forward to develop and implement source water protection. Appendix #3 lists websites and resources available to public water systems and community members seeking technical assistance for work on watershed protection. Appendix #4 provides brief descriptions and contact information for grants and loans to fund both drinking water infrastructure and source protection projects. State agency resources are available to help you with mapping and information needs. Larger sizes of the source area maps and more details of landslide potential and other natural characteristics are available for you upon request (contact Steve Aalbers at 503-229-6798). DEQ is currently developing “Resource Guides” with more extensive information to assist public water systems in protecting their source waters. Resource Guides will be developed for both Oregon surface water systems and groundwater systems by 2017. For direct assistance and/or additional information regarding watershed protection, call Sheree Stewart at DEQ (503-229-5413). For more information on drinking water policies and procedures, call Casey Lyon at OHA (541-726-2587). Sincerely, Sheree Stewart, Drinking Water Protection Coordinator Environmental Solutions Division Cc: Casey Lyon, Technical Services Manager, Oregon Health Authority Figure 1. City of Myrtle Point (PWS 00551) Drinking Water Source Area and Adjacent Source Areas PW S #4100581 PW S #4100205 CityOaof kla nd CoosBay North Bend Wa terBoard Cala pooyaCreek PonyCreek/Merritt Lake PW S #4100276 N orthBend CityElktonof UmpquaRiver Oakla nd CoosBay S utherlin PW S #4100719 UmpquaBasin Wa terAssociation N orthUmpqua River PW S #4105581 PW S #4100214 W eissEstates Wa terSystem GardenValley Wa terAssociation Fahy'sLake ChinaCreek PW S #4100720 PW S #4100213 CityRoseburgof CityCoquilleof N orthUmpqua River R oseburg Coquille R inkCreek PW S #4100551 CityMyrtleof Point PW S #4100957 Bandon N orthForkCoquille River W inston-DillaWa rd terDistrict PW S #4100074 S outhUmpqua River CityBandonof W inston FerryCreek PW S #4100717 M yrtlePoint R obertsCreek Wa terDistrict PW S #4100074 S outhUmpqua River CityBandonof PW S #4194300 GeigerCreek R oseburgForest Products Dilla - rd PW S #4100213 S outhUmpqua River M yrtleCreek CityCoquilleof CoquilleRiver PW S #4100549 PW S #4100466 T ri-CityJW SA& R iddle LangloisWa terDistrict S outhUmpqua River FlorasCreek PW S #4100707 Powers PW S #4100672 LawsonAcres Wa terAssociation CityPowersof CowCreek Bingha mCreek PW S #4100706 PW S #4100670 PW S #4100169 PW S #4100672 CityRiddleof CityOrfordPortof CityCanyonvilleof CityPowersof CowCreek GarrisonLake (Emergency) CanyonCreek S outhFork(Coquile River) PW S #4100323 PW S #4100670 CityGlendaof le CityOrfordPortof CowCreek (oldintake) PW S #4100323 HubbaCreek rd Glenda le CityGlendaof le M illCreek Section& Creek Activitiesand impacts Myrtlein Point’s drinking wa tersource area also ha vethe potential impactto 1:500,000 downstrea mwa terusers such as the City Coquille.of Wa tersystems thein sa mesubba sinare encouraged to worktogether as they move forwa with rd developing protection strategies. 0 2 4 8 12 16 20 ® M iles Legend CityofMyrtle Point .! 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City of Myrtle Point (PWS 00551) Drinking Water Source Area Erosion Potential (See Appendix 2 for Key to map details and metadata) Florence Euge ne DunesCity Vicinity Ree dsport Drain Lake side Yoncalla CoosBay Suthe rlin Legend Coq uille Roseburg Bandon W inston op Cityof Myrtle Point surface waterintake MyrtlePoint Riddle Cityof Myrtle Point Drinking Water Source Area Powers Streams(NHD)with high erosion potential OrfordPort Glendale NotesonImage ry_ Mosaic2011base map: TheImage ryMosaic is from the 2011 National Agriculture Image ry Stream(NHD) Serviceme1 color(NAIS), ter aerial image from ry Farm Service Age ncy (FSA)/U.S. Dept. (FSA)/U.S. of Agriculture (USDA). 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