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
City of Gregory Gregory, TX 1,760 104 -
West Unity Village West Unity, OH 1,760 30 -
Franklinville Village Franklinville, NY 1,760 275 -
Bunker Hill Bunker Hill, IL 1,760 10 -
Hershel Woody Williams Vamc Huntington, WV 1,759 32 -
Ventura Cwwd No. 38 - Lake Sherwood Moorpark, CA 1,759 0 -
Cs Harrisburg Utility Company Des Peres, AZ 1,759 143 -
Bingen Water Dept Bingen, WA 1,758 183 -
City of Leakey Leakey, TX 1,758 37 -
Leflore Co. RWD #1 Poteau, OK 1,758 165 -
Carrizozo Water System Carrizozo, NM 1,758 259 -
Olivet, City Of Olivet, MI 1,758 17 -
Vail Assoc Far E Shelter Vail, CO 1,758 9 -
Wallula Dodd Water System Washtucna, WA 1,757 108 -
Palmyra Waterworks Palmyra, WI 1,756 57 Detected
Thorn Water Association Houston, MS 1,756 808 -
Mapleton Mapleton, MN 1,756 28 -
Caney, City Of Caney, KS 1,756 386 -
Apalachee Correctional Institution Tallahassee, FL 1,756 20 -
Shungopavi Second Mesa, 09 1,756 494 -
Huntland Water System Huntland, TN 1,755 210 -
South Bossier Water System Elm Grove, LA 1,755 162 -
Sabana Grande Utuado, PR 1,754 298 Clean
Monte Bello Manati, PR 1,754 164 -
Orion Orion, IL 1,754 21 -
Gleason Water Dept Gleason, TN 1,753 18 -
Pawc Blue Mt Lake Bushkill, PA 1,753 31 -
Tekamah, City Of Tekamah, NE 1,753 41 -
Roodhouse Roodhouse, IL 1,753 20 -
Rusk Rural WSC Crockett St Plant Rusk, TX 1,752 17 -
North Elizabethton Water Co-Op Elizabethton, TN 1,752 95 -
Glenville Utility Glenville, WV 1,751 199 -
Acued. Com. Bo. Quebradillas Barranquitas, PR 1,751 403 -
Town of Marion Marion, MS 1,751 281 -
Liberty Pipeline Company Eden, UT 1,750 707 -
Honeyville Town Water System Honeyville, UT 1,750 155 -
Bushland Isd Bushland, TX 1,750 61 -
Wawa Store 158 Media, PA 1,750 7 -
East Berlin Area Joint Auth East Berlin, PA 1,750 348 -
Ojrsd Owen J Roberts MS and Hs Pottstown, PA 1,750 196 -
Sequoyah Co. RWD #4 Sallisaw, OK 1,750 54 -
Pittsburg Co. RWD #5 McAlester, OK 1,750 398 -
Greenfield Resort Woodridge, NY 1,750 142 -
Painted Post Village Painted Post, NY 1,750 12 -
Philmont Village Philmont, NY 1,750 122 -
High Point Reg High Scho Wantage, NJ 1,750 120 Clean
Island Heights Water Dep Island Heights Boro, NJ 1,750 44 -
Mt Olive High School Flanders, NJ 1,750 116 -
Bethlehem Village Dist Bethlehem, NH 1,750 299 -
Heath Creek Rest Area MNDOT St. Paul, MN 1,750 63 -

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