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 |
|---|---|---|---|---|
| Hobart Waterworks S a 1 | Hobart, WI | 3,670 | 67 | - |
| West Union Public Water System | West Union, OH | 3,670 | 28 | - |
| Somervell County Water District | Glen Rose, TX | 3,666 | 130 | - |
| Woodland Oaks Subdivision | Austin, TX | 3,666 | 6 | Clean |
| Fort Bend County MUD 229 | Houston, TX | 3,666 | 0 | - |
| City of Chandler | Chandler, TX | 3,663 | 76 | Clean |
| Fort Bend County MUD 185 | Houston, TX | 3,663 | 4 | - |
| North Plains Water Department | Beaverton, OR | 3,663 | 38 | - |
| Pennington Shop-Rite | Freehold, NJ | 3,663 | 36 | Detected |
| Dcpsa - Big Caney | Clintwood, VA | 3,660 | 4 | Clean |
| Jackson Town of (0210002) | Jackson, SC | 3,660 | 114 | Clean |
| Bridgton Water District | Bridgton, ME | 3,660 | 48 | - |
| Jasonville Water Department | Jasonville, IN | 3,660 | 87 | Clean |
| Chipley, City Of | Chipley, FL | 3,660 | 43 | Clean |
| Marion County Public Water Authority | Hamilton, AL | 3,660 | 118 | Clean |
| Slocomb Water Works and Sewer Board | Slocomb, AL | 3,660 | 122 | Clean |
| Wheatland, Town Of | Wheatland, WY | 3,659 | 227 | Clean |
| Cass Rural Water District-Phase I | Kindred, ND | 3,658 | 3 | Clean |
| Satilla Regional Water & Sewer Auth-East | Waycross, GA | 3,654 | 5 | Clean |
| Riverbend Water Resources District | New Boston, TX | 3,650 | 285 | Clean |
| Jbsa - Medina | Jbsa Lackland, TX | 3,650 | 55 | Clean |
| Mount Angel, City Of | Mt. Angel, OR | 3,650 | 101 | Clean |
| South Central RWD-Emmons | Bismarck, ND | 3,650 | 0 | Clean |
| Fountain Water District | Valmeyer, IL | 3,650 | 26 | Clean |
| Rend Lake Inter-City Water System | Benton, IL | 3,650 | 26 | - |
| Lavaca Waterworks | Lavaca, AR | 3,650 | 9 | Clean |
| Northwest Harris County MUD 36 | Houston, TX | 3,648 | 20 | - |
| Northwestern W and SD - Weston | Bowling Green, OH | 3,648 | 145 | - |
| East Monroe Water Corporation | Bloomington, IN | 3,648 | 43 | Clean |
| Buhl, Elrod & Holman Water Authority | Buhl, AL | 3,648 | 2 | Clean |
| Eatonville Water Dept | Eatonville, WA | 3,645 | 77 | Clean |
| Harris County MUD 11 | Houston, TX | 3,645 | 13 | Clean |
| Toledo Water Utilities | Toledo, OR | 3,645 | 28 | Clean |
| Murfreesboro, Town Of | Murfreesboro, NC | 3,645 | 59 | Clean |
| Valley MUD 2 Rancho Viejo | Rancho Viejo, TX | 3,644 | 25 | - |
| Pojoaque South | Santa Fe, 06 | 3,644 | 34 | Clean |
| Wilkesboro, Town Of | Wilkesboro, NC | 3,643 | 0 | Clean |
| Harris County MUD 208 | Houston, TX | 3,642 | 3 | Detected |
| Mason Water Dept | Mason, TN | 3,642 | 69 | Clean |
| Mt. Shasta, City Of | Mt. Shasta, CA | 3,642 | 36 | Clean |
| Barton Lexa Water Association | Poplar Grove, AR | 3,642 | 10 | Clean |
| North U.d. of Rhea County | Spring City, TN | 3,640 | 36 | - |
| Great Basin Water Co Spring Creek MHP | Spring Creek, NV | 3,640 | 70 | Clean |
| Osage Municipal Water Supply | Osage, IA | 3,637 | 72 | Detected |
| City of Bertram | Bertram, TX | 3,636 | 15 | - |
| Town of Iowa Water System | Iowa, LA | 3,636 | 39 | Clean |
| Lander Co Sewer and Water Dist 1 Bm | Battle Mountian, NV | 3,635 | 45 | Clean |
| Jefferson Co RWD 12 | Winchester, KS | 3,635 | 7 | Clean |
| Dell Rapids | Dell Rapids, SD | 3,633 | 13 | Clean |
| Fairbury | Fairbury, IL | 3,633 | 7 | Clean |