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 |
|---|---|---|---|---|
| Portland Municipal Water Plant | Portland, IN | 6,209 | 81 | Clean |
| Golden State Water Co - Apple Vly South | Apple Valley, CA | 6,208 | 1 | Clean |
| Sebastopol Water Association | Sebastopol, MS | 6,207 | 1,553 | Clean |
| Newport Waterworks | Newport, AR | 6,204 | 1 | Clean |
| Batesburg Leesville Dpw (Sc3210002) | Batesburg-Leesville, SC | 6,202 | 38 | Detected |
| Fairfield | Fairfield, IL | 6,202 | 138 | Clean |
| Oakland Town Of | Oakland, FL | 6,202 | 51 | Detected |
| Rose Valley Water Company | Yuma, AZ | 6,202 | 55 | Clean |
| Winhall Stratton F D 1 | Stratton Mountain, VT | 6,200 | 101 | Clean |
| Brookings-Deuel Rural Water System | Toronto, SD | 6,200 | 9 | Clean |
| Southern Desert Correctional Ctr Ndoc | Las Vegas, NV | 6,200 | 180 | Clean |
| Richmond, City Of | Richmond, MI | 6,200 | 6 | Clean |
| Manistee, City Of | Manistee, MI | 6,200 | 23 | Clean |
| Huntington Woods | Huntington Woods, MI | 6,200 | 15 | Clean |
| Town of Thurmont | Thurmont, MD | 6,200 | 99 | Detected |
| South Hadley Fire District #2 Water Dept | South Hadley, MA | 6,200 | 81 | Clean |
| Rensselaer Water Department | Rensselaer, IN | 6,200 | 109 | Clean |
| Yorktown Water Department | Yorktown, IN | 6,200 | 91 | Clean |
| Bremen | Bremen, GA | 6,200 | 29 | Detected |
| Cutler PUD | Cutler, CA | 6,200 | 45 | Clean |
| University of Alaska - Fairbanks | Fairbanks, AK | 6,200 | 234 | Detected |
| NJ American Water - Salem City | Salem City, NJ | 6,199 | 274 | Detected |
| Town of Eastham | Eastham, MA | 6,199 | 1 | Clean |
| Williamsville | Williamsville, IL | 6,198 | 8 | Clean |
| Navarre Beach Water System | Milton, FL | 6,196 | 16 | Clean |
| Sevier County Water Department | Sevierville, TN | 6,194 | 4 | Detected |
| Braidwood | Braidwood, IL | 6,194 | 165 | Clean |
| Cinco MUD 14 | Houston, TX | 6,192 | 1 | Clean |
| Olive Hill Municipal Water Works | Olive Hill, KY | 6,192 | 270 | Clean |
| Madison | Madison, SD | 6,191 | 86 | Clean |
| Selma, Town Of | Selma, NC | 6,190 | 190 | Detected |
| North Branch | North Branch, MN | 6,190 | 10 | Clean |
| Galveston County Wcid 12 | Houston, TX | 6,189 | 6 | Detected |
| City of Jeanerette Water System | Jeanerette, LA | 6,189 | 78 | Detected |
| City of Labelle | Labelle, FL | 6,187 | 80 | Clean |
| Bowdon | Bowdon, GA | 6,180 | 74 | Clean |
| Coffee County Water Authority | Elba, AL | 6,180 | 103 | Clean |
| Jackson Co Utility Authority-West | Pascagoula, MS | 6,178 | 76 | Clean |
| Bridgewater, Town Of | Bridgewater, VA | 6,177 | 53 | Clean |
| Willits, City Of | Willits, CA | 6,175 | 28 | Clean |
| Grand San Jacinto Water System | Magnolia, TX | 6,174 | 20 | - |
| Shelbyville | Shelbyville, IL | 6,174 | 11 | Clean |
| South Kingstown-South Shore | Wakefield, RI | 6,170 | 108 | Detected |
| East Penn Mfg Co | Lyon Station, PA | 6,170 | 350 | Clean |
| Harris County MUD 364 | Houston, TX | 6,168 | 26 | Clean |
| Huntingdon Water Dept | Huntingdon, TN | 6,167 | 11 | Clean |
| Spirit Lake Waterworks | Spirit Lake, IA | 6,167 | 32 | Detected |
| Cadiz Municipal Water Co | Cadiz, KY | 6,165 | 54 | Detected |
| Genesis E Campus Hospital Emg Well | Davenport, IA | 6,165 | 0 | - |
| Leigh WSC-Rural | Scottsville, TX | 6,164 | 52 | Clean |