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 |
|---|---|---|---|---|
| Boyceville Waterworks | Boyceville, WI | 1,043 | 58 | - |
| Spring Canyon Campground | Coulee dam, WA | 1,043 | 4 | - |
| Estates Inc | Sequim, WA | 1,043 | 85 | - |
| City of Pineland | Pineland, TX | 1,043 | 28 | - |
| Alma, City Of | Alma, NE | 1,043 | 48 | Clean |
| Screven | Screven, GA | 1,043 | 82 | - |
| Cal Am - Goldside | Sacramento, CA | 1,043 | 14 | - |
| Ccwd - West Point | San Andreas, CA | 1,043 | 21 | - |
| McDonalds Restaurant - Wooster | Uniontown, OH | 1,042 | 600 | - |
| Rockbridge S/D | Chapel Hill, NC | 1,042 | 139 | - |
| Eden Valley | Eden Valley, MN | 1,042 | 0 | - |
| Harmony | Harmony, MN | 1,042 | 9 | - |
| Cobus Green Mobile Home Park | Southfield, IN | 1,042 | 72 | - |
| Sloan Water Supply | Sloan, IA | 1,042 | 61 | - |
| Waldo WTP | Waldo, FL | 1,042 | 42 | - |
| Thousand Oaks | Conroe, TX | 1,041 | 16 | - |
| Fallston Middle School | Bel Air, MD | 1,041 | 13 | - |
| Bayou Macon Water System | Delhi, LA | 1,041 | 171 | - |
| Don Pedro Rec Ag:flem.meadows | La Grange, CA | 1,041 | 28 | - |
| McDonalds Westfield | Onalaska, WI | 1,040 | 71 | - |
| Wilbur Town Of | Marshall, WA | 1,040 | 340 | - |
| City of Rio Vista | Rio Vista, TX | 1,040 | 107 | - |
| Grantville MHP | Farmington Hills, PA | 1,040 | 745 | - |
| Southwest Warren Co Mun Auth | Tidioute, PA | 1,040 | 297 | - |
| East Brady Water System | East Brady, PA | 1,040 | 78 | - |
| Frontier City | Oklahoma City, OK | 1,040 | 411 | - |
| Sequoyah Co. RWD #3 | Sallisaw, OK | 1,040 | 47 | - |
| Nys-Caroga Lake Campsite | Northville, NY | 1,040 | 21 | - |
| Portville Village | Portville, NY | 1,040 | 105 | - |
| Kyle Canyon Water District | Las Vegas, NV | 1,040 | 0 | - |
| Dennehotso NTUA | Ft Defiance, NN | 1,040 | 50 | - |
| Pilgrim`s Pride Water System | Sanford, NC | 1,040 | 184 | - |
| Town of Tutwiler | Tutwiler, MS | 1,040 | 911 | Clean |
| Fredonia Water Department | Fredonia, KY | 1,040 | 28 | - |
| Barlow Water System | Lacenter, KY | 1,040 | 386 | - |
| Walton Water Works | Walton, IN | 1,040 | 36 | - |
| Quitman Water & Sewer Auth. | Georgetown, GA | 1,040 | 45 | - |
| Elbert County Hwy 86 WD | Watkins, CO | 1,040 | 32 | - |
| Del Monte Foods, Inc. Plant #24 | Hanford, CA | 1,040 | 14 | - |
| NE Mississippi Co Water Assoc | Blytheville, AR | 1,040 | 111 | - |
| Harbor Island (Sc0750013) | Kiawah Island, SC | 1,039 | 52 | - |
| Bendersville Muni Auth | Bendersville, PA | 1,039 | 195 | - |
| Clarence Water Supply | Mechanicsville, IA | 1,039 | 73 | - |
| Brian Head Town Water System | Parowan, UT | 1,038 | 875 | - |
| Community Water Co Montgomery Garden | Corsicana, TX | 1,038 | 28 | - |
| Sequoia Improvement District | Houston, TX | 1,038 | 3 | - |
| Bandera River Ranch 1 | Bandera, TX | 1,038 | 46 | - |
| Pleasant Springs WSC | Elkhart, TX | 1,038 | 43 | - |
| Williamsport Village PWS | Williamsport, OH | 1,038 | 166 | - |
| Western Elite Alamo | Las Vegas, NV | 1,038 | 0 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).