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 |
|---|---|---|---|---|
| Little Potato Slough Mutual | Lodi, CA | 1,510 | 29 | - |
| City of Ore City | Ore City, TX | 1,509 | 40 | - |
| Trail Creek Water System | Austin, TX | 1,509 | 31 | - |
| Snyder Public Works Authority | Snyder, OK | 1,509 | 1,193 | - |
| Continental Village WD | Cold Spring, NY | 1,509 | 3 | - |
| Standish, City Of | Standish, MI | 1,509 | 18 | - |
| Waterside | Frederick, MD | 1,509 | 0 | - |
| Cameron Parish Ww District 10 | Johnson Bayou, LA | 1,509 | 7 | - |
| Roxana | Roxana, IL | 1,509 | 6 | - |
| Richardson Grove Sp-State Parks | Eureka, CA | 1,509 | 5 | - |
| Port Gamble Sklallam | Kingston, 10 | 1,509 | 105 | - |
| Blue Basket Market Bozeman | Billings, MT | 1,508 | 72 | - |
| Pleasant Plains | Pleasant Plains, IL | 1,508 | 18 | - |
| Bedford Water Works | Bedford, IA | 1,508 | 214 | - |
| Buttonwillow Cwd | Buttonwillow, CA | 1,508 | 19 | - |
| Bridger Bowl Base | Bozeman, MT | 1,507 | 46 | - |
| Livingston County PWSD 4 | Trenton, MO | 1,507 | 11 | - |
| Oak Creek Water District | Sedona, AZ | 1,507 | 431 | - |
| Many Farms Community School BIA | Many Farms, NN | 1,506 | 230 | - |
| Land of Make Believe | Hope, NJ | 1,506 | 46 | - |
| Duke Island Park | Somerville, NJ | 1,506 | 41 | - |
| Abington S/D | Charlotte, NC | 1,506 | 28 | - |
| MO American Wardsville | Cottleville, MO | 1,506 | 70 | - |
| Loch Alpine Sanitary Authority | Ann Arbor, MI | 1,506 | 16 | - |
| Village of Anacoco | Anacoco, LA | 1,506 | 24 | - |
| Meade, City Of | Meade, KS | 1,506 | 18 | - |
| IL American-Mount Pulaski | Godfrey, IL | 1,506 | 46 | - |
| Waterman | Waterman, IL | 1,506 | 277 | - |
| Lyeffion Water Authority, Inc. | Evergreen, AL | 1,506 | 118 | - |
| Mountainair Water System | Mountainair, NM | 1,505 | 117 | - |
| Canterbury Rest Area | Concord, NH | 1,505 | 12 | - |
| Brooklyn Water Department | Brooklyn, IA | 1,505 | 24 | - |
| Hillcrest Village MHP | Wheat Ridge, CO | 1,505 | 51 | - |
| Lanark | Lanark, IL | 1,504 | 23 | - |
| Two Medicine Water - East Glacier | Browning, 08 | 1,504 | 64 | - |
| Millsap WSC | Millsap, TX | 1,503 | 30 | - |
| City of Kerens | Kerens, TX | 1,503 | 104 | - |
| Dassel | Dassel, MN | 1,503 | 14 | - |
| Webberville, Village Of | Webberville, MI | 1,503 | 46 | - |
| Burtonwood | Newark, DE | 1,503 | 17 | - |
| City of Buffalo Gap | Buffalo Gap, TX | 1,502 | 90 | - |
| Sports Plex | Fairborn, OH | 1,502 | 10 | - |
| Rowlands Hollow Subdivision | Gansevoort, NY | 1,502 | 111 | - |
| Town of Summit | Summit, MS | 1,502 | 542 | - |
| Nojoqui Falls County Park | Santa Maria, CA | 1,502 | 10 | - |
| Mariana Ranchos Cwd | Apple Valley, CA | 1,502 | 20 | - |
| Mt Baker Ski Area - White Salmon | Bellingham, WA | 1,501 | 2 | - |
| Rio Loco | Guanica, PR | 1,501 | 70 | - |
| Ft Recovery Village | Fort Recovery, OH | 1,501 | 94 | - |
| Holstein, City Of | Holstein, IA | 1,501 | 85 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).