PlainWater

Public Water Systems

143,076 active public water systems, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.

System Name Location Population Violations PFAS
Carmel WD 3 Mahopac, NY 1,350 20 -
Nys-Sacandaga Campsite Northville, NY 1,350 23 -
Elephant Butte, City Of Elephant Butte, NM 1,350 49 -
St Bonaventure Mission Thoreau, NM 1,350 9 -
Kennard, Village Of Kennard, NE 1,350 102 -
Arlington, Village Of Arlington, NE 1,350 10 Clean
Grace Bible Church Bozeman, MT 1,350 27 -
El Mar Estates Msla Co Water Missoula, MT 1,350 64 -
Linn Livingston County PWSD 3 Wheeling, MO 1,350 36 -
Cass County Water System Dowagiac, MI 1,350 33 -
Holly Ridge Lodge Water System Grand Junction, LA 1,350 0 -
Martin Water System Coushatta, LA 1,350 120 -
Aqua Indiana Water Company Indianapolis, IN 1,350 6 -
Heritage School K-12 New Haven, IN 1,350 0 -
Inl Mfc Idaho Falls, ID 1,350 28 -
Hauser Lake Water Assn Inc Hauser, ID 1,350 47 -
Great Waters at Reynolds Plantation Eatonton, GA 1,350 57 -
Gibson Gibson, GA 1,350 139 -
Wildwood Water Association El Dorado, AR 1,350 19 -
Louisville Water Works Louisville, AL 1,350 152 -
Colville Fuels Noisy Waters Kettle Falls, 10 1,350 7 -
Oasis Mobile Home Park Thermal, 09 1,350 564 -
Match-E-Be-Nash-She-Wish Shelbyville, 05 1,350 67 -
Miller Miller, SD 1,349 22 -
Lynnville Water Dept Lynnville, TN 1,348 31 -
Midland Charter Township Midland, MI 1,348 4 -
Crownsville Hospital Center Millersville, MD 1,348 8 -
Toluca Toluca, IL 1,348 79 -
Aquarion-Marlborough Shelton, CT 1,348 633 -
Aptos High School Watsonville, CA 1,348 14 -
Bovay Scout Ranch Houston, TX 1,347 55 -
Mountain Lakes Addition Austin, TX 1,347 9 -
Southwood Estates Cypress, TX 1,347 62 Clean
South Main Centre Ltd Bloomfield Hills, OH 1,347 87 -
Menahga Menahga, MN 1,347 10 -
Bellevue Water System Doyline, LA 1,347 84 -
Tunnelton Town Of Tunnelton, WV 1,346 82 -
Larimore City Of Larimore, ND 1,346 3 Clean
North Harford High School Bel Air, MD 1,346 15 -
Woodward Water Supply Woodward, IA 1,346 52 -
Wolf Creek Water and Sewer ID Eden, UT 1,345 358 -
Enfield Water Dept Enfield, NH 1,345 55 -
Goose Creek Rest Area MNDOT St. Paul, MN 1,345 25 -
Ray City Ray City, GA 1,345 82 -
Dogwood Water Association Blytheville, AR 1,345 12 -
Winkler WSC Streetman, TX 1,344 303 Detected
Montgomery County MUD 152A Houston, TX 1,344 0 -
San Antonio Mdwca San Antonio, NM 1,344 47 -
Grand Marais Grand Marais, MN 1,344 18 -
Zone 2 Water System Inc. Colfax, LA 1,344 63 -

Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).