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 |
|---|---|---|---|---|
| Central Bowie County WSC | New Boston, TX | 9,027 | 28 | Detected |
| Caldwell Water Dept | Nutley, NJ | 9,027 | 82 | Detected |
| Monett PWS | Monett, MO | 9,027 | 25 | Detected |
| New Roads Water System | New Roads, LA | 9,024 | 27 | Clean |
| Ebrpd - del Valle Regional Park | Oakland, CA | 9,024 | 28 | - |
| Lapeer, City Of | Lapeer, MI | 9,023 | 76 | Clean |
| Elderville WSC | Longview, TX | 9,021 | 122 | Clean |
| Birch Bay Water & Sewer District | Birch Bay, WA | 9,019 | 64 | Clean |
| First U.d. of Tipton County | Covington, TN | 9,017 | 9 | Clean |
| Rice Lake Waterworks | Rice Lake, WI | 9,012 | 133 | Clean |
| Brecon Estate | Templeton, CA | 9,012 | 0 | - |
| Paw Bangor District | Clarks Summit, PA | 9,008 | 10 | Clean |
| Rawlins Water Supply, City Of | Rawlins, WY | 9,006 | 72 | Clean |
| Carle Place WD | Carle Place, NY | 9,005 | 248 | Clean |
| Martin Co Water District #1 | Inez, KY | 9,003 | 402 | Clean |
| Jackson County PWSD 13 | Lake Lotawana, MO | 9,002 | 16 | Clean |
| Millis Water Dept | Millis, MA | 9,002 | 98 | Detected |
| Beardsley Water Company 1 | Litchfield Park, AZ | 9,002 | 95 | Clean |
| Franklin, City Of | Franklin, VA | 9,000 | 188 | Clean |
| Santa Clara City | Santa Clara, UT | 9,000 | 415 | Clean |
| Moab City | Moab, UT | 9,000 | 178 | Clean |
| Utah State University | Newton, UT | 9,000 | 188 | Clean |
| Naval Air Stn Joint Reserve Base | Fort Woth, TX | 9,000 | 19 | Detected |
| Lehighton Water Authority | Lehighton, PA | 9,000 | 214 | Clean |
| Chillicothe Correctional Institution | Oak Hill, OH | 9,000 | 72 | Clean |
| Trotwood City PWS | Trotwood, OH | 9,000 | 58 | Detected |
| Port Jervis City | Port Jervis, NY | 9,000 | 83 | Clean |
| Chautauqua Utility District | Chautauqua, NY | 9,000 | 67 | Clean |
| Big Bend Water District | Las Vegas, NV | 9,000 | 18 | Clean |
| Claremont Water Dept | Claremont, NH | 9,000 | 98 | Clean |
| Gardiner Water District | Gardiner, ME | 9,000 | 63 | Detected |
| Willowbrook | Willowbrook, IL | 9,000 | 33 | Clean |
| Capitol Water Corp | Boise, ID | 9,000 | 113 | Detected |
| Garden City | Garden City, GA | 9,000 | 37 | Clean |
| 33rd District Agricultural Association | Tres Pinos, CA | 9,000 | 24 | - |
| Santa Rosa Tachi Palace | Lemoore, 09 | 9,000 | 218 | Clean |
| Jones County Water System | Trenton, NC | 8,999 | 38 | Clean |
| Doney Park Water | Flagstaff, AZ | 8,996 | 604 | Clean |
| Hurricane City Of | West Hamlin, WV | 8,987 | 33 | Detected |
| City of Pearsall | Pearsall, TX | 8,985 | 51 | Clean |
| Petoskey, City Of | Petoskey, MI | 8,979 | 14 | Clean |
| Excalibur Resort and Casino | Las Vegas, NV | 8,977 | 8 | - |
| Highland Park | Highland Park, MI | 8,977 | 44 | Clean |
| Barker Cypress MUD | Houston, TX | 8,976 | 14 | Detected |
| Oxford, City Of | Oxford, NC | 8,972 | 123 | Detected |
| North Tiverton Fire District | Tiverton, RI | 8,969 | 19 | Detected |
| Cookeville Boat Dock RD U.d. | Cookeville, TN | 8,966 | 72 | Clean |
| Ross Point Water Dist | Post Falls, ID | 8,965 | 7 | Clean |
| Plymouth Utilities | Plymouth, WI | 8,964 | 127 | Clean |
| Chatham Water Dept | Chatam, NJ | 8,962 | 35 | Clean |