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 |
|---|---|---|---|---|
| Wolf Point City Of | Wolf Point, 08 | 3,000 | 0 | - |
| Montana State University Billings | Billings, MT | 2,999 | 0 | Clean |
| Walls Water Association | Walls, MS | 2,999 | 548 | - |
| Homedale City Of | Homedale, ID | 2,999 | 53 | - |
| Putnam County PWSD 1 | Unionville, MO | 2,997 | 26 | - |
| Baltimore Village PWS | Baltimore, OH | 2,995 | 52 | - |
| Frankfort (V) Water Works | Frankfort, NY | 2,995 | 200 | - |
| Wawa 8440 | Byram Twp, NJ | 2,995 | 2 | - |
| Wawa #909 | Wawa, NJ | 2,995 | 10 | - |
| Livermore Falls Water District | Livermore Falls, ME | 2,995 | 17 | - |
| City of Poth | Poth, TX | 2,994 | 42 | - |
| Western Mason Co Water District | Dover, KY | 2,994 | 104 | - |
| East Brewton Water & Sewer Board | East Brewton, AL | 2,994 | 487 | - |
| Park Falls Waterworks | Park Falls, WI | 2,993 | 247 | - |
| Henry County PWSD 3 | Clinton, MO | 2,993 | 25 | - |
| Green Valley MWC | Green Valley Lake, CA | 2,993 | 15 | - |
| Cci - Tehachapi | Tehachapi, CA | 2,993 | 22 | Clean |
| Ellsworth, City Of | Ellsworth, KS | 2,992 | 51 | - |
| Brinkley Waterworks | Brinkley, AR | 2,992 | 53 | Clean |
| Ford City Muni Water Works | Ford City, PA | 2,991 | 46 | - |
| Lyons Town Of | Lyons, CO | 2,990 | 114 | - |
| Cypress Creek Utility District | Houston, TX | 2,988 | 11 | - |
| Atoka | Atoka, OK | 2,988 | 599 | - |
| Aromas Water District | Aromas, CA | 2,988 | 7 | - |
| Gurdon Waterworks | Gurdon, AR | 2,988 | 18 | - |
| WMATUA Hondah-McNary | Whiteriver, 09 | 2,988 | 172 | - |
| Fall City Water Dist. #127 | Fall City, WA | 2,987 | 15 | - |
| St. Ignace | St. Ignace, MI | 2,987 | 33 | - |
| Sjwtx Glenwood Subdivision | Canyon Lake, TX | 2,985 | 41 | - |
| Spring City Water System | Spring City, TN | 2,985 | 178 | - |
| Mohawk (V) Water Works | Mohawk, NY | 2,985 | 254 | - |
| Green Trails MUD | Houston, TX | 2,982 | 1 | - |
| Lead | Lead, SD | 2,982 | 10 | - |
| Grifton, Town Of | Grifton, NC | 2,982 | 213 | Detected |
| Naval Medical Center San Diego | CA | 2,981 | 0 | - |
| City of Hackberry | Frisco, TX | 2,979 | 84 | Detected |
| Dcpsa - Dickenson County Regional | Clintwood, VA | 2,978 | 50 | - |
| Everglades City | Everglades City, FL | 2,978 | 212 | - |
| Newton | Newton, IL | 2,977 | 3 | - |
| Brinker WSC | Sulphur Springs, TX | 2,976 | 47 | - |
| City of Crisfield | Chrisfield, MD | 2,976 | 9 | - |
| Marquette Heights | Marquette Heights, IL | 2,974 | 127 | - |
| Lowell Correctional Institution Annex | Ocala, FL | 2,974 | 87 | - |
| Bitter Creek WSC South | Sweetwater, TX | 2,973 | 149 | - |
| Prvwsd-Twin Harbor | Ridgeland, MS | 2,973 | 558 | - |
| Lake Orion, Village Of | Lake Orion, MI | 2,973 | 32 | - |
| Town of Erath Water System | Erath, LA | 2,973 | 45 | Clean |
| Dixmoor | Dixmoor, IL | 2,973 | 165 | Detected |
| Bushnell | Bushnell, IL | 2,972 | 70 | Clean |
| Bangor-Monitor Metro District | Bay City, MI | 2,971 | 9 | - |