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 |
|---|---|---|---|---|
| Elder Grove School Buildings 1 & 2 | Billings, MT | 420 | 13 | - |
| Bonner School District No 14 | Bonner, MT | 420 | 272 | - |
| Town of Osyka | Osyka, MS | 420 | 267 | - |
| Moore Bayou W/a #2 | Tutwiler, MS | 420 | 292 | - |
| New Liberty Water Association | Vardaman, MS | 420 | 576 | - |
| Irondale PWS | Irondale, MO | 420 | 34 | - |
| Ravenwood PWS | Ravenwood, MO | 420 | 90 | - |
| Wesleyan Woods - North Campground | Vassar, MI | 420 | 36 | - |
| Goodrich High School | Goodrich, MI | 420 | 42 | - |
| Refresco | Paw Paw, MI | 420 | 46 | - |
| Huron Area Tech Center | Bad Axe, MI | 420 | 3 | - |
| Bavarian Softwater Village | Waterford, MI | 420 | 8 | - |
| Rsu 56 Dirigo Elementary School | Dixfield, ME | 420 | 16 | - |
| Randys Wooster Street Pizza | Naples, ME | 420 | 456 | - |
| Camp Micah | Bridgton, ME | 420 | 54 | - |
| Camp Puhtok for Boys and Girls | Monkton, MD | 420 | 0 | - |
| Oak Villa Mh Community | Pinehurst, LA | 420 | 116 | - |
| Magnolia-Bleu Lake Hills | Des Peres, LA | 420 | 27 | - |
| Labette Co RWD 3 | Mound Valley, KS | 420 | 21 | - |
| Road to Life Church | Michigan City, IN | 420 | 94 | - |
| Indianapolis Car Exchange | Whitestown, IN | 420 | 3 | - |
| Oakwood Estates | Springfield, IL | 420 | 9 | - |
| Hopewell | Hopewell, IL | 420 | 381 | - |
| Ogden Gardens Subdivision | Aurora, IL | 420 | 39 | - |
| Candlelight Village MHP | Farmington Hills, IL | 420 | 96 | - |
| Hecla Mining Company Lucky Friday | Mullan, ID | 420 | 13 | - |
| Delhi Water Supply | Delhi, IA | 420 | 328 | - |
| USA - Camp Frank D. Merrill | Dahlonega, GA | 420 | 3 | - |
| Altamaha Elementary School | Baxley, GA | 420 | 25 | - |
| Blue Jay MHP | Southfield, FL | 420 | 82 | - |
| Brightwood Manor MHP | Akron, FL | 420 | 64 | - |
| Peyton Ctef School | Peyton, CO | 420 | 393 | - |
| Lamplighter Mobile Home Park | Denver, CO | 420 | 2 | - |
| Sun Valley Packing | Reedley, CA | 420 | 2 | - |
| Santa Rosa Mobile Estates | San Leandro, CA | 420 | 9 | - |
| Los Robles Mobile Home Estates | Templeton, CA | 420 | 4 | - |
| Csp-Manchester State Park | Duncans Mills, CA | 420 | 7 | - |
| Yosemite West Water System | Mariposa, CA | 420 | 28 | - |
| Pcnr Arthur Pack Regional | Tucson, AZ | 420 | 43 | - |
| Cactus Country RV Resort | Tucson, AZ | 420 | 86 | - |
| Yavapai Community College Agricultural | Prescott Valley, AZ | 420 | 57 | - |
| Pleasant Harbor Marina | Waddell, AZ | 420 | 76 | - |
| Adot Sanders Port of Entry | Phoenix, AZ | 420 | 67 | - |
| Gorilla Fireworks. LLC | Wasilla, AK | 420 | 1 | - |
| Three Bears Store Big Lake | Wasilla, AK | 420 | 0 | - |
| Moapa Paiute Travel Plaza | Moapa, 09 | 420 | 241 | - |
| Chui Chu | Sells, 09 | 420 | 13 | - |
| Marty Water System | Wagner, 08 | 420 | 38 | - |
| Allen Water System | Pine Ridge, 08 | 420 | 49 | - |
| Hancock Waterworks | Hancock, WI | 419 | 119 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).