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 Tatum Tatum, TX 1,902 257 -
Marion, City Of Marion, KS 1,902 205 -
City of Raleigh Raleigh, MS 1,901 816 -
Brooklyn Water Association Wiggins, MS 1,901 600 -
Princeville Princeville, IL 1,901 155 -
Waltonville Mt. Vernon, IL 1,901 21 -
Dallas Center Water Supply Dallas Center, IA 1,901 7 -
Wydot-Orin Junction Rest Area Casper, WY 1,900 5 -
Pinedale Municipal WS Pinedale, WY 1,900 93 -
Wales Pick N Save Milwaukee, WI 1,900 51 -
Hardwick Town Water System Hardwick, VT 1,900 73 -
Victoria, Town Of Victoria, VA 1,900 36 -
Millville City Millville, UT 1,900 101 -
Phelps Sud Huntsville, TX 1,900 54 -
Dover Boro Water Sys Dover, PA 1,900 596 -
Conestoga Valley Senior High Leola, PA 1,900 160 -
Wattsburg Area School Complex Erie, PA 1,900 327 -
Centre Hall Boro Water Dept Centre Hall, PA 1,900 94 Clean
McIntosh Co. RWD #5 Checotah, OK 1,900 430 -
Beverly Village PWS Waterford, OH 1,900 44 -
Rotterdam WD #3 Rotterdam, NY 1,900 21 -
Alexandria Bay Village Alexandria Bay, NY 1,900 0 -
Seneca High School Shamong, NJ 1,900 113 -
Sparta, Town Of Sparta, NC 1,900 735 -
Three Forks City Of Three Forks, MT 1,900 162 -
Roundup Water Department Roundup, MT 1,900 37 -
Columbus Town Of Columbus, MT 1,900 188 -
Town of Sunflower Sunflower, MS 1,900 711 -
Jasper County PWSD 3 Joplin, MO 1,900 6 -
Mayer Mayer, MN 1,900 7 -
McDonalds #4991 Whitmore Lake, MI 1,900 17 -
Yale, City Of Yale, MI 1,900 43 -
New Buffalo New Buffalo, MI 1,900 7 -
Lawton Lawton, MI 1,900 57 -
Newport Water District Newport, ME 1,900 375 -
Suburban Hospital Naperville, MD 1,900 0 -
Mount Saint Marys University Emmitsburg, MD 1,900 166 -
Larned State Hospital Larned, KS 1,900 70 -
Cherokee Co RWD 3 Baxter Springs, KS 1,900 32 -
Cambridge City Municipal Water Works Cambridge City, IN 1,900 19 -
Swiss Golf ; Tennis Club Lakeland, FL 1,900 107 -
Hardee Correctional Institute Tallahassee, FL 1,900 37 -
Crescent City WTP Crescent City, FL 1,900 109 -
Suwannee Water ; Sewer District Suwannee, FL 1,900 220 -
Sierra Tahoe West Bowl Twin Bridges, CA 1,900 8 -
Upper Sioux Community Granite Falls, 05 1,900 184 -
Sevenwinds Casino Hayward, 05 1,900 310 -
Midway Water Association Proctor, AR 1,899 36 -
Gaines Town Wds Albion, NY 1,898 3 -
Bcm Water Association New Albany, MS 1,898 260 -

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