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
Tariffville Fire District Water Dept Tariffville, CT 1,477 112 -
Montgomery County MUD 145 Houston, TX 1,476 0 -
City of Riesel Riesel, TX 1,476 415 -
Greenwich Village PWS Greenwich, OH 1,476 46 -
Hilly-Greenwood Water System Ruston, LA 1,476 20 -
Ile Des Cannes Water System Duson, LA 1,476 2 -
Palm Valley Mobile Home Park Oviedo, FL 1,476 81 -
Bonduel Waterworks Bonduel, WI 1,475 18 -
Orfordville Waterworks Orfordville, WI 1,475 44 -
Tieton Water Dept City Of Yakima, WA 1,475 66 -
Green Acres Mhc Monsey, PA 1,475 88 -
Carlisle City PWS Carlisle, OH 1,475 62 -
Letchworth Central Sch Dist #1 Hunt, NY 1,475 11 -
Bethany Bethany, IL 1,475 17 -
Craig Public Works Craig, AK 1,475 195 -
Apache Gold Casino San Carlos, 09 1,475 121 -
Graham Hill Mutual Water Co Inc Graham, WA 1,474 21 -
Merritt Township Bay City, MI 1,474 3 -
Phillips Waterworks Phillips, WI 1,473 94 -
Kaufman County MUD 9 Dallas, TX 1,473 4 -
Upper Dublin High School Maple Glen, PA 1,473 49 -
Royal Farms #206 Baltimore, MD 1,473 0 -
The Vineyard Church Mishawaka, IN 1,473 80 -
Ceredo Water Works Ceredo, WV 1,472 194 -
Monterey Water Company Inc. Elephant Butte, NM 1,472 444 -
University of Providence Great Falls, MT 1,472 37 -
Ash Grove PWS Ash Grove, MO 1,472 203 -
Westport Schools Complex Westport, MA 1,472 0 -
Garden Home SD Garden Homes, IL 1,472 44 -
Hodgkins Hodgkins, IL 1,472 18 -
Guadalupe Valley Mid Brisbane, CA 1,472 8 Detected
City of Menard Menard, TX 1,471 15 Clean
Monona Municipal Water Dept Monona, IA 1,471 34 -
Gatling Pointe Isle of Wight, VA 1,470 20 -
Harris County MUD 559 Houston, TX 1,470 0 -
City of Pasadena El Cary Estates Pasadena, TX 1,470 27 -
Shale Creek Community Austin, TX 1,470 1 -
McDonald's Restaurant Moorestown, NJ 1,470 28 -
Bowman City Of Bowman, ND 1,470 8 -
Jefferson, Town Of Jefferson, NC 1,470 88 -
Bismarck PWS Bismarck, MO 1,470 63 -
Green Oaks Green Oaks, IL 1,470 24 -
Sandy Creek/Lacona Joint Waterworks Sandy Creek, NY 1,469 48 -
Duenweg PWS Duenweg, MO 1,469 52 -
Lake Weir Middle School Ocala, FL 1,469 31 -
Belle Plaine, City Of Belle Plaine, KS 1,468 159 -
Four Seasons MHP Provo, IL 1,468 52 -
Sennett Consolidated Water Districts Auburn, NY 1,467 13 -
Dickinson WD #3 Binghamton, NY 1,467 6 -
Parkside Middletown, DE 1,467 0 -

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