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 |
|---|---|---|---|---|
| Lca Arcadia West Division | Allentown, PA | 1,392 | 56 | - |
| Sanborn Water Supply | Sanborn, IA | 1,392 | 137 | - |
| Manning Water Supply | Manning, IA | 1,392 | 129 | - |
| Holland Princess Denali Wilderness Ldg | Denali Park, AK | 1,392 | 27 | - |
| New Rockford City Of | New Rockford, ND | 1,391 | 32 | - |
| Winnebago | Winnebago, MN | 1,391 | 11 | - |
| Osceola Township | Dollar Bay, MI | 1,391 | 32 | - |
| Housatonic Water Works | Great Barrington, MA | 1,391 | 53 | - |
| Basf Corporation | Geismar, LA | 1,391 | 25 | - |
| Culver Water Department | Culver, IN | 1,391 | 89 | - |
| Cornell Waterworks | Cornell, WI | 1,390 | 51 | - |
| Middletown, Town Of | Middletown, VA | 1,390 | 24 | - |
| Lee County Psa/St. Charles | Jonesville, VA | 1,390 | 124 | - |
| Greenevers, Town Of | Rose Hill, NC | 1,390 | 273 | - |
| Richmond Utilities District | Richmond, ME | 1,390 | 62 | - |
| Machias Water Company | Machias, ME | 1,390 | 0 | - |
| Fci & Fpc - Terre Haute | Terre Haute, IN | 1,390 | 207 | - |
| Mancos Town Of | Mancos, CO | 1,390 | 57 | - |
| Mescal Lakes Water System | Glendale, AZ | 1,390 | 160 | - |
| Middlesex Water System | Raleigh, NC | 1,389 | 392 | - |
| Frankenmuth Township | Frankenmuth, MI | 1,389 | 0 | - |
| Lilly Borough Water Authority | Lilly, PA | 1,388 | 615 | - |
| Berneil Water Company | Tempe, AZ | 1,388 | 262 | - |
| Rockingham County Complex | Brentwood, NH | 1,387 | 15 | - |
| IL American-Rosiclare | Godfrey, IL | 1,387 | 6 | - |
| California Water Service Co.-Lancaster | San Jose, CA | 1,387 | 6 | Clean |
| Woodville Waterworks | Woodville, WI | 1,386 | 28 | - |
| Lakeshore Water System | Itasca, TX | 1,386 | 3 | - |
| Rusk Rural WSC Loop 343 Plant | Rusk, TX | 1,386 | 11 | - |
| Holly Springs WSC East Meter | Daingerfield, TX | 1,386 | 27 | - |
| Anderson County Cedar Creek WSC | Elkhart, TX | 1,386 | 45 | - |
| Glyndon | Glyndon, MN | 1,386 | 9 | - |
| Fairview Park Water Utilities | Clinton, IN | 1,386 | 33 | Clean |
| Payson | Payson, IL | 1,386 | 42 | - |
| West Alexandria, Village Of | West Alexandria, OH | 1,385 | 60 | - |
| Kinderhook Village | Kinderhook, NY | 1,385 | 10 | - |
| Jemez Springs Dwua | Jemez Springs, NM | 1,385 | 436 | - |
| Elmer Boro W Dept | Newton, NJ | 1,385 | 40 | - |
| West Harrison High School | Gulfport, MS | 1,385 | 4 | - |
| Fosston | Fosston, MN | 1,385 | 20 | - |
| Clear Springs Utility Main | Glendale, AZ | 1,385 | 57 | - |
| Monette Waterworks | Monette, AR | 1,385 | 31 | - |
| Heber Valley Camp | Salt Lake City, UT | 1,384 | 179 | - |
| Mount Airy | Mt. Airy, GA | 1,384 | 61 | - |
| Kaufman County MUD 12 | Dallas, TX | 1,383 | 15 | - |
| Aqua PA Sand Springs | White Haven, PA | 1,383 | 180 | - |
| Gerald PWS | Gerald, MO | 1,383 | 75 | - |
| Hackneyville Water Authority | Alexander City, AL | 1,383 | 28 | - |
| Little Waxie Water Authority | Columbiana, AL | 1,383 | 8 | - |
| Bethesda Public Water System | Bethesda, OH | 1,382 | 63 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).