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 |
|---|---|---|---|---|
| New Bloomfield PWS | New Bloomfield, MO | 669 | 28 | - |
| Clear Lake | Clear Lake, MN | 669 | 48 | - |
| Rsu 40 Medomak Valley High School | Union, ME | 669 | 64 | - |
| Fairview Mobile Estates North WS | Prairieville, LA | 669 | 20 | - |
| Csp - Rancho del Oso | Felton, CA | 669 | 20 | - |
| Gambell Water System | Gambell, AK | 669 | 849 | - |
| Comunidad Jacanas Sur Inc. | Bo. Jacanas, Yabucoa, PR | 668 | 83 | - |
| Vici | Vici, OK | 668 | 128 | - |
| Bolton, Town Of | Bolton, NC | 668 | 217 | Clean |
| Ridgewood S/D | Cary, NC | 668 | 103 | - |
| Panola-Union W/A | Sardis, MS | 668 | 526 | - |
| Catoctin Mountain Nat. Park-Misty Mount | Thurmont, MD | 668 | 1 | - |
| Laclede Water Dist | Sandpoint, ID | 668 | 67 | - |
| Cs High Country Pines Water Company | Des Peres, AZ | 668 | 93 | - |
| Wilburn Water Association | Heber Springs, AR | 668 | 5 | - |
| Viola Waterworks | Viola, WI | 667 | 74 | - |
| Fort Cobb | Fort Cobb, OK | 667 | 56 | - |
| Rock Creek Village | Rock Creek, OH | 667 | 468 | - |
| Folly Quarter Middle School | Ellicott City, MD | 667 | 10 | - |
| Leon, City Of | Leon, KS | 667 | 115 | - |
| Ferson Creek Elem Schl-Cusd 303 | St. Charles, IL | 667 | 23 | - |
| Coolidge | Coolidge, GA | 667 | 18 | - |
| Newborn Water System | Jackson, GA | 667 | 53 | - |
| Lowndes Co.-Creekside West S/D | Valdosta, GA | 667 | 7 | - |
| Cal Am - Walnut Grove | Sacramento, CA | 667 | 2 | - |
| Rolling Hills Elementary Schl | Mukwonago, WI | 666 | 8 | - |
| North Town Acres | Dawson, TX | 666 | 56 | - |
| Canyon City Water Department | Canyon City, OR | 666 | 48 | - |
| Hunterdon Hills Playhouse | Hampton, NJ | 666 | 71 | - |
| Whitewater, City Of | Whitewater, KS | 666 | 65 | - |
| Lester Municipal Water Works | Lester, WV | 665 | 302 | - |
| WI DNR Lake Wissota Welcome Center | Madison, WI | 665 | 0 | - |
| WI DNR Lake Wissota Shop | Madison, WI | 665 | 25 | - |
| WI DNR Lake Wissota B Bldg | Madison, WI | 665 | 11 | - |
| Wheatland Center School | Burlington, WI | 665 | 30 | - |
| Refugio County Wcid 1 | Tivoli, TX | 665 | 185 | - |
| Mayesville Town of (Sc4310003) | Sumter, SC | 665 | 12 | - |
| Birchwood Manor Mhc Old | Farmington Hills, OH | 665 | 32 | - |
| Dillonvale | Mingo Junction, OH | 665 | 45 | - |
| Wingdale Elementary School | Dover Plains, NY | 665 | 11 | - |
| Adventure Bound Camping Resort | New Hampton, NH | 665 | 36 | - |
| Hershey, Village Of | Hersey, NE | 665 | 8 | - |
| Hobgood, Town Of | Hobgood, NC | 665 | 17 | - |
| Country Acres/Southgate | Cary, NC | 665 | 209 | - |
| Walnut Grove PWS | Walnut Grove, MO | 665 | 197 | - |
| Norwood PWS | Norwood, MO | 665 | 26 | - |
| Piney Point Elementary School | Loveville, MD | 665 | 26 | - |
| Mount Savage School | Cumberland, MD | 665 | 6 | - |
| Franklin Co RWD 1 | Ottawa, KS | 665 | 95 | - |
| Brandeis Bardin Institute | Simi Valley, CA | 665 | 14 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).