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 |
|---|---|---|---|---|
| Northern Nash Water District | Nashville, NC | 1,694 | 24 | - |
| Lakefield | Lakefield, MN | 1,694 | 25 | - |
| Jonesville, Town Of | Jonesville, VA | 1,693 | 88 | - |
| City of Stockdale | Stockdale, TX | 1,693 | 20 | - |
| Cal Am - Isleton | Sacramento, CA | 1,693 | 1 | - |
| City of Lockney | Lockney, TX | 1,692 | 24 | - |
| Osgood Water Department | Osgood, IN | 1,692 | 44 | - |
| Atlanta | Atlanta, IL | 1,692 | 83 | - |
| Choteau City Of | Choteau, MT | 1,691 | 37 | - |
| Mount Zion | Mount Zion, GA | 1,691 | 30 | - |
| City of Rhome | Rhome, TX | 1,690 | 223 | - |
| City of Fairfield Boyd Unit | Fairfield, TX | 1,690 | 18 | - |
| Clara Water Association | Clara, MS | 1,690 | 532 | - |
| Augusta Regional WTP | Augusta, KY | 1,690 | 64 | - |
| Wilder City Of | Wilder, ID | 1,690 | 31 | - |
| White Horse Creek Water System | Pine Ridge, 08 | 1,690 | 1 | - |
| Sheldon Road MUD | Crosby, TX | 1,689 | 48 | - |
| Pcwa - Weimar | Auburn, CA | 1,689 | 4 | - |
| Gore PWA | Gore, OK | 1,688 | 142 | - |
| South Amherst Village PWS | South Amherst, OH | 1,688 | 487 | - |
| Harrahs Lake Tahoe | Stateline, NV | 1,688 | 6 | - |
| Rollinsford Water Sewer Dist | Rollinsford, NH | 1,688 | 148 | - |
| Lewis County PWSD 1 | Ewing, MO | 1,688 | 8 | - |
| Baileyville Utilities District | Winterport, ME | 1,688 | 44 | - |
| St Rose Pwd | St Rose, IL | 1,688 | 124 | - |
| Mediapolis Water Supply | Mediapolis, IA | 1,688 | 49 | - |
| Generation Park Management District | Houston, TX | 1,687 | 14 | - |
| Moville Water Supply | Moville, IA | 1,687 | 76 | - |
| Fort Gay Water Works | Fort Gay, WV | 1,685 | 419 | - |
| Norwood | Norwood, NY | 1,685 | 1 | - |
| Hopewell Water Association | Oxford, MS | 1,684 | 289 | - |
| Beaver Meadow Waterworks Association | Sandersville, MS | 1,684 | 1,017 | - |
| Canaan Valley State Park | Davis, WV | 1,683 | 183 | - |
| West Medina WSC | D Hanis, TX | 1,683 | 16 | - |
| Harris County MUD 552 | Houston, TX | 1,683 | 35 | - |
| Pleasant Valley Water System | Minden, LA | 1,683 | 209 | Clean |
| Mount Ayr Water Treatment Plant | Mount Ayr, IA | 1,683 | 611 | - |
| Santa Clara Water System | Santa Clara, NM | 1,682 | 146 | - |
| Cass Rural Water District-Phase III | Kindred, ND | 1,682 | 3 | - |
| New Paris Village PWS | New Paris, OH | 1,681 | 169 | - |
| Ike Kinswa State Park | Castle Rock, WA | 1,680 | 21 | - |
| Lakeside Wcid 1 | Austin, TX | 1,680 | 0 | - |
| Leroy Tours Gerald WSC | Leroy, TX | 1,680 | 564 | - |
| Gafford Chapel WSC | Sulphur Springs, TX | 1,680 | 53 | - |
| Black Rock WSC | Aubrey, TX | 1,680 | 75 | - |
| Gilpin Twp Muni Auth | Leechburg, PA | 1,680 | 64 | - |
| Garvin Co RWD # 6 (Wells) | Wynnewood, OK | 1,680 | 44 | - |
| Pittsburg Co. RWD #14 | McAlester, OK | 1,680 | 1,023 | - |
| Holland Water District | Holland, NY | 1,680 | 54 | - |
| Ac Expswy Farley Area | Hammonton, NJ | 1,680 | 91 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).