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 |
|---|---|---|---|---|
| Halls Water System | Halls, TN | 5,306 | 15 | Clean |
| Black Desert Resort Water System | Ivins, UT | 5,300 | 0 | - |
| Sunset City Water System | West Point, UT | 5,300 | 93 | Clean |
| Roseland Water Dept | Roseland, NJ | 5,300 | 83 | Detected |
| Cfpua - Wrightsville Beach | Wilmington, NC | 5,300 | 68 | Detected |
| Polson City Of | Polson, MT | 5,300 | 242 | Clean |
| Kinross Township | Kincheloe, MI | 5,300 | 50 | Detected |
| Monticello Water Works | Monticello, IN | 5,300 | 99 | Clean |
| Camp Atterbury | Edinburgh, IN | 5,300 | 25 | Clean |
| Sangamon Valley Pwd | Mahomet, IL | 5,300 | 30 | Clean |
| Edgewater City Of | Edgewater, CO | 5,300 | 13 | - |
| Yosemite Spring Park Util Co | Coarsegold, CA | 5,300 | 86 | Detected |
| Cocopah Casino | Somerton, 09 | 5,300 | 109 | Clean |
| Belleair Water Plant | Belleair, FL | 5,299 | 90 | Detected |
| Genoa | Genoa, IL | 5,298 | 66 | Detected |
| Southwestern Water District | Flemington, WV | 5,296 | 69 | Clean |
| Vernon Parish Water and Sewer Commission | New Llano, LA | 5,295 | 50 | Clean |
| Elmsford Village | Elmsford, NY | 5,293 | 33 | Clean |
| Cwsc Salinas Hills | San Jose, CA | 5,293 | 6 | Clean |
| Fort Bend County MUD 155 | Houston, TX | 5,292 | 4 | - |
| Onalaska WSC | Onalaska, TX | 5,289 | 12 | Clean |
| West Harris County MUD 7 | Houston, TX | 5,289 | 2 | Clean |
| South Grant Water Corporation | Bently, LA | 5,289 | 17 | Clean |
| Oxford Borough | Oxford, PA | 5,280 | 349 | Detected |
| Greater Ramsey Water District | Devils Lake, ND | 5,280 | 9 | Clean |
| Grove Hill Water Works | Grove Hill, AL | 5,280 | 255 | Detected |
| Marana Municipal - Picture Rocks | Tucson, AZ | 5,278 | 117 | Detected |
| New Martinsville | New Martinsville, WV | 5,272 | 414 | Detected |
| Water Mgmt Services (St. George Island) | Tallahassee, FL | 5,272 | 75 | Detected |
| Rogersville Water Works & Sewer Board | Rogersville, AL | 5,271 | 15 | Detected |
| Running Springs Water District | Running Springs, CA | 5,268 | 12 | Detected |
| Tarkington Sud | Cleveland, TX | 5,265 | 13 | Clean |
| Tillamook Water Dept, City Of | Tillamook, OR | 5,265 | 98 | Clean |
| Dighton Water District | North Dighton, MA | 5,264 | 24 | Detected |
| Flo Community WSC | Buffalo, TX | 5,256 | 103 | Clean |
| Hyde County Water System | Swan Quarter, NC | 5,256 | 258 | Clean |
| Barbers Point | Waikoloa, HI | 5,256 | 8 | Clean |
| Wapato Waterworks | Wapato, WA | 5,255 | 146 | Clean |
| Redwood Falls | Redwood Falls, MN | 5,254 | 13 | Clean |
| Mitchell Pwd | Granite City, IL | 5,253 | 29 | Detected |
| Brazoria County MUD 25 | Houston, TX | 5,250 | 97 | Clean |
| South Lincoln Rural Water System | Beresford, SD | 5,250 | 66 | Clean |
| Monterey Rural Water System Inc | Monterey, LA | 5,250 | 32 | Clean |
| Suburban Water Systems-Glendora | Covina, CA | 5,249 | 2 | Clean |
| Penn Yan Village | Penn Yan, NY | 5,248 | 305 | Detected |
| Marana Municipal - Hartman Vistas | Tucson, AZ | 5,248 | 42 | Detected |
| Harris County MUD 127 | Houston, TX | 5,247 | 11 | Detected |
| Chardon City PWS | Chardon, OH | 5,247 | 35 | Clean |
| Longview, Town Of | Longview, NC | 5,244 | 264 | Clean |
| Upson County | Thomaston, GA | 5,243 | 55 | Clean |