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 |
|---|---|---|---|---|
| Carbondale, City Of | Carbondale, KS | 1,344 | 238 | - |
| Ayla Apartments | Tampa, FL | 1,344 | 58 | - |
| Rison Waterworks | Rison, AR | 1,344 | 20 | - |
| Nooksack Valley Water Association | Lynden, WA | 1,343 | 16 | - |
| Military Hwy WSC Weslaco | Progreso, TX | 1,343 | 4 | - |
| Agustinillo | Juana Diaz, PR | 1,343 | 77 | - |
| Saranac | Saranac, MI | 1,343 | 34 | - |
| Johnson City, City Of | Johnson City, KS | 1,343 | 19 | - |
| Capron | Capron, IL | 1,343 | 268 | - |
| Maple Bluff Waterworks | Madison, WI | 1,342 | 34 | - |
| Marshallville | Marshallville, GA | 1,342 | 108 | - |
| Northcrest Ranch Water System | Magnolia, TX | 1,341 | 12 | - |
| Rowland, Town Of | Rowland, NC | 1,341 | 117 | - |
| Town of Kilmichael | Kilmichael, MS | 1,341 | 557 | - |
| Prattsville Waterworks | Prattsville, AR | 1,341 | 6 | - |
| Diamond Valley Acres | St George, UT | 1,340 | 680 | - |
| Garvin Co RWD #4 | Pauls Valley, OK | 1,340 | 46 | Detected |
| Frazeysburg PWS | Frazeysburg, OH | 1,340 | 144 | - |
| Fayette Village | Fayette, OH | 1,340 | 124 | - |
| Youngs Jersey Dairy PWS | Yellow Springs, OH | 1,340 | 36 | - |
| Hector Water District | Burdett, NY | 1,340 | 83 | - |
| Greensburg Water System | Greensburg, LA | 1,340 | 46 | Clean |
| Riverdale School District #100 | Port Byron, IL | 1,340 | 356 | - |
| Walker Creek Stateline Rwa | Taylor, AR | 1,340 | 5 | - |
| Toad Suck Public Facility Bd | Bigelow, AR | 1,340 | 25 | - |
| Breckenridge, Village Of | Breckenridge, MI | 1,339 | 23 | Clean |
| Lenox Water Supply | Lenox, IA | 1,339 | 54 | - |
| Encinal WSC | Encinal, TX | 1,338 | 43 | - |
| Country Side Estates | Austin, TX | 1,338 | 31 | - |
| Leisurewoods Water | Austin, TX | 1,338 | 29 | - |
| Ann Arbor Township | Ann Arbor, MI | 1,338 | 12 | - |
| Bonnie Brae Forest Manor Sndst | Lockport, IL | 1,338 | 14 | - |
| Forreston | Forreston, IL | 1,338 | 9 | - |
| Rock Springs MHP | Skokie, FL | 1,338 | 95 | - |
| Mt Pleasant Waterworks | Mount Pleasant, AR | 1,338 | 87 | - |
| Silver Lake, City Of | Silver Lake, KS | 1,337 | 22 | - |
| Black Creek Waterworks | Black Creek, WI | 1,336 | 11 | - |
| City of Natalia | Natalia, TX | 1,336 | 46 | - |
| Hilton Heights Water Assn #1 | Yazoo City, MS | 1,336 | 521 | - |
| Marion Wayside Rest Area MNDOT | St. Paul, MN | 1,336 | 20 | - |
| Wilson Water System | Wilson, AR | 1,336 | 54 | - |
| Chelan County Fairground | Cashmere, WA | 1,335 | 11 | - |
| Stryker Village | Archbold, OH | 1,335 | 23 | - |
| Alexander City Of | Alexander, ND | 1,335 | 21 | - |
| Cass Bates County PWSD 12 | Drexel, MO | 1,335 | 19 | - |
| Glacial Lakes Sanitary Sewer/Water Dist | Spicer, MN | 1,335 | 0 | - |
| Maine Water Company Greenville Division | Poland, ME | 1,335 | 40 | - |
| Yates Center, City Of | Yates Center, KS | 1,335 | 126 | - |
| Garden Acres Mutual Water Co | Oxnard, CA | 1,335 | 16 | - |
| Jack Water System, Inc | Jack, AL | 1,335 | 27 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).