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 |
|---|---|---|---|---|
| Stillwater Cg | Fort Collins, CO | 990 | 13 | - |
| Dempsey Road Mutual Water Co | Oxnard, CA | 990 | 3 | - |
| Montana de Oro State Park | San Simeon, CA | 990 | 7 | - |
| Compton Waterworks | Compton, AR | 990 | 281 | - |
| Pinedale Shores Wsfpa | Ashville, AL | 990 | 21 | - |
| Hawley Lake Homes | Whiteriver, 09 | 990 | 69 | - |
| Joemma Beach | Belfair, WA | 989 | 3 | - |
| Croyle Twp Water Auth | Summerhill, PA | 989 | 163 | Clean |
| Town of Shuqualak | Shuqualak, MS | 989 | 527 | - |
| Smithland Water & Sewer | Smithland, KY | 989 | 528 | - |
| Galatia | Galatia, IL | 989 | 83 | - |
| Colfax | Colfax, IL | 989 | 104 | - |
| Milledgeville | Milledgeville, IL | 989 | 39 | - |
| John Alford Subdivision | Savannah, GA | 989 | 81 | - |
| Gavilan Joint Community College District | Gilroy, CA | 989 | 11 | - |
| Upper Lake County Water District | Upper Lake, CA | 989 | 7 | - |
| Ehrenberg Improvement District | Ehrenberg, AZ | 989 | 240 | - |
| Hagerman City Of | Hagerman, ID | 988 | 26 | - |
| Junior Town Of | Junior, WV | 987 | 54 | Clean |
| Pleasant Hill WSC | New London, TX | 987 | 6 | - |
| Bethel Ash WSC Water Edge Plant | Athens, TX | 987 | 4 | - |
| Flying L PUD | Bandera, TX | 987 | 63 | - |
| Sibley State Park | New London, MN | 987 | 44 | - |
| Morristown | Morristown, MN | 987 | 7 | - |
| Aquarion Water Company | Bridgeport, MA | 987 | 10 | - |
| Fredericksburg Water Supply | Fredericksburg, IA | 987 | 36 | - |
| Aguila Water Service | Sun City, AZ | 987 | 129 | - |
| Hughes Waterworks | Hughes, AR | 987 | 43 | - |
| Odessa | WA | 986 | 51 | - |
| Brook Water Utility | Brook, IN | 986 | 27 | - |
| Newark | Newark, IL | 986 | 8 | - |
| Sunshadow Apartments (Consec) | Winter Park, FL | 986 | 8 | - |
| Bradford Waterworks | Bradford, AR | 986 | 25 | - |
| Vader-Enchanted Valley | Chehalis, WA | 985 | 57 | - |
| Plainfield Water System | Plainfield, VT | 985 | 254 | - |
| Williamstown Water Dept | Williamstown, VT | 985 | 77 | - |
| Oak Springs | Rockville, VA | 985 | 12 | - |
| Rocky Gap/Bastian Regional | Bland, VA | 985 | 13 | - |
| Bradner Village | Bradner, OH | 985 | 18 | - |
| Pahrump Utility Company Inc | Pahrump, NV | 985 | 25 | - |
| Murphys Market Place | Tabernacle, NJ | 985 | 7 | - |
| Town of Dekalb | Dekalb, MS | 985 | 270 | - |
| Town of Tremont | Tremont, MS | 985 | 285 | - |
| Central Montcalm MS-Hs | Stanton, MI | 985 | 25 | - |
| Poudre Valley Mhc | Aurora, CO | 985 | 10 | - |
| Bammel Forest Utility | Spring, TX | 984 | 15 | - |
| Hopedale Village PWS | Hopedale, OH | 984 | 40 | - |
| Cooperstown City Of | Cooperstown, ND | 984 | 14 | - |
| Hymera Water Works | Hymera, IN | 984 | 37 | - |
| Energy | Energy, IL | 984 | 5 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).