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 |
|---|---|---|---|---|
| Deer Lodge City Of | Deer Lodge, MT | 2,900 | 147 | - |
| Nixa PWS Rde | Nixa, MO | 2,900 | 83 | - |
| Dunklin County PWSD 2 | Senath, MO | 2,900 | 43 | - |
| Windsor PWS | Windsor, MO | 2,900 | 91 | - |
| Burtchville Township | Burtchville Township, MI | 2,900 | 24 | - |
| Lake Panorama Water Company | Panora, IA | 2,900 | 180 | - |
| Aspen Ski Corp HI Alpine L9 | Aspen, CO | 2,900 | 34 | - |
| Platteville Town Of | Platteville, CO | 2,900 | 36 | - |
| Nps-Pinewood Water System | Three Rivers, CA | 2,900 | 2 | - |
| Palo Alto Park Mutual Water Company | East Palo Alto, CA | 2,900 | 9 | - |
| Nps-Sheep Creek | Three Rivers, CA | 2,900 | 10 | - |
| River Plantation MUD | Cypress, TX | 2,898 | 4 | - |
| Harris County MUD 280 | Houston, TX | 2,898 | 1 | - |
| Canyon Creek Addition | Austin, TX | 2,895 | 161 | - |
| City of Combes | Combes, TX | 2,895 | 70 | - |
| Calhoun-Charleston U.d. | Calhoun, TN | 2,895 | 14 | - |
| Cottonwood Municipal Water Vv2 | Cottonwood, AZ | 2,893 | 437 | - |
| Oconto Falls Waterworks | Oconto Falls, WI | 2,892 | 21 | - |
| Honey Brook Boro Water | Honey Brook, PA | 2,892 | 520 | - |
| Ellis Water Company, Inc. | Linton, IN | 2,892 | 10 | - |
| Sno PUD 1 - Warm Beach | Everett, WA | 2,890 | 19 | - |
| Summit Hill Water Authority | Summit Hill, PA | 2,890 | 50 | - |
| Georgiana, the Ww&sb of the City Of | Georgiana, AL | 2,889 | 23 | - |
| Kingbrook III Rural Water System | Arlington, SD | 2,888 | 0 | - |
| Coats, Town Of | Coats, NC | 2,887 | 39 | - |
| Timberland Estates | Porter, TX | 2,886 | 19 | - |
| Wallerville Water Association | New Albany, MS | 2,886 | 492 | Clean |
| Northwest St Clair Water System | Steele, AL | 2,886 | 14 | - |
| City of Clarksville | Clarksville, TX | 2,885 | 92 | - |
| Stevens Co PUD - Deer Lake | Loon Lake, WA | 2,884 | 1 | - |
| Hillsville, Town Of | Hillsville, VA | 2,884 | 16 | - |
| Lodi Village PWS | Lodi, OH | 2,884 | 8 | - |
| Florida Village | Florida, NY | 2,884 | 147 | - |
| City of Santa Rosa | Santa Rosa, TX | 2,883 | 353 | - |
| Steele-Ringgold W/a #2 | Forest, MS | 2,883 | 545 | - |
| Columbus, City Of | Columbus, KS | 2,882 | 131 | - |
| R P M WSC | Ben Wheeler, TX | 2,880 | 49 | - |
| Hurst Creek MUD | The Hills, TX | 2,880 | 13 | - |
| West Brazos WSC | Waco, TX | 2,880 | 40 | - |
| Ninety Six Cpw (Sc2410002) | Ninety Six, SC | 2,880 | 9 | - |
| Mountain Iron | Mountain Iron, MN | 2,880 | 16 | - |
| Brandenburg Water Works | Brandenburg, KY | 2,880 | 81 | Clean |
| City of Edcouch | Edcouch, TX | 2,878 | 194 | - |
| Larkin Township | Midland, MI | 2,878 | 4 | - |
| Mingo County Psd - Pigeon Creek | Naugatuck, WV | 2,877 | 183 | - |
| City of Brazoria | Brazoria, TX | 2,877 | 103 | Detected |
| Wickenburg Ranch Estates | Wickenburg, AZ | 2,877 | 36 | - |
| Drumright | Drumright, OK | 2,876 | 49 | - |
| Hawthorne Utilities | Hawthorne, NV | 2,876 | 33 | - |
| Rugby City Of | Rugby, ND | 2,876 | 17 | - |