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 |
|---|---|---|---|---|
| Monterey Water Dept | Monterey, TN | 5,072 | 116 | Clean |
| City of Winona | Winona, MS | 5,071 | 272 | Clean |
| Breathitt Co Water District | Jackson, KY | 5,068 | 52 | Clean |
| Harlan Municipal Utilities | Harlan, IA | 5,067 | 2 | Clean |
| Stewartville Water Authority | Sylacauga, AL | 5,067 | 6 | Clean |
| Wythe County East | Wytheville, VA | 5,065 | 33 | Clean |
| Sunko WSC | Stockdale, TX | 5,064 | 10 | Clean |
| Elm Ridge Wcid | Savannah, TX | 5,061 | 38 | Detected |
| Marseilles | Marseilles, IL | 5,061 | 158 | Clean |
| Utica, City Of | Utica, MI | 5,059 | 7 | Detected |
| Jellico Utilities Authority | Jellico, TN | 5,056 | 407 | Clean |
| East Troy Waterworks | East Troy, WI | 5,054 | 91 | Detected |
| Dunes Community Development District | Palm Coast, FL | 5,054 | 10 | Clean |
| East Water System | Winter Haven, FL | 5,052 | 40 | Clean |
| Grant-Roberts Rural Water System | Milbank, SD | 5,050 | 10 | Clean |
| Yerington City Of | Yerington, NV | 5,050 | 966 | Clean |
| Concho Rural Water Grape Creek | San Angelo, TX | 5,049 | 89 | Detected |
| Fort Bend County MUD 190 | Houston, TX | 5,049 | 0 | - |
| Ravenswood Municipal Water Works | Ravenswood, WV | 5,047 | 468 | Detected |
| West Salem Waterworks | West Salem, WI | 5,045 | 15 | Clean |
| Deer Park City Of | Deer Park, WA | 5,045 | 69 | Detected |
| Munroe Falls City PWS | Munroe Falls, OH | 5,042 | 22 | Clean |
| Lake City | Lake City, MN | 5,042 | 63 | Detected |
| Mountain Creek Resort | Vernon, NJ | 5,041 | 217 | Clean |
| Brighton | Brighton, IL | 5,041 | 89 | Detected |
| Sardine Lake Resort | Sierra City, CA | 5,040 | 14 | - |
| Veolia Water New Jersey Franklin Lakes | Haworth, NJ | 5,038 | 21 | Detected |
| King County Water District #54 | Des Moines, WA | 5,037 | 20 | Clean |
| Desloge PWS | Desloge, MO | 5,034 | 8 | Clean |
| Becker | Becker, MN | 5,034 | 10 | Detected |
| Concordia, City Of | Concordia, KS | 5,032 | 35 | Clean |
| Newmarket Water Works | Newmarket, NH | 5,030 | 251 | Clean |
| Ctwc - Shoreline Region-Chester System | Clinton, CT | 5,030 | 156 | Clean |
| Sharpsville Boro Water Co | Sharpsville, PA | 5,029 | 412 | Detected |
| LaCrescent | LaCrescent, MN | 5,029 | 54 | Clean |
| Caro, City Of | Caro, MI | 5,029 | 37 | Clean |
| City of Canton | Canton, TX | 5,028 | 44 | Detected |
| Joe's Travel Plaza (Eh) | Westley, CA | 5,026 | 18 | Clean |
| Harris County Improvement District 18 | Houston, TX | 5,025 | 4 | Clean |
| South Higgins Lake State Park Campground | Roscommon, MI | 5,024 | 0 | - |
| New Castle Town Of | New Castle, CO | 5,024 | 79 | Clean |
| Orange, Town Of | Orange, VA | 5,022 | 67 | Clean |
| Willow Springs Raceway | Rosamond, CA | 5,022 | 19 | - |
| Somerville Water System | Somerville, TN | 5,020 | 10 | Clean |
| Round Hill, Town Of | Round Hill, VA | 5,019 | 52 | Detected |
| City of Jackson | Jackson, CA | 5,019 | 23 | Clean |
| SE White County Water Assoc | Higginson, AR | 5,018 | 21 | Clean |
| Northwest Harris County MUD 32 | Houston, TX | 5,016 | 6 | Clean |
| Graves Co Water Dist - Consumers | Mayfield, KY | 5,016 | 124 | Clean |
| Mattawa City of | Mattawa, WA | 5,015 | 227 | Clean |