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 |
|---|---|---|---|---|
| Caltrans - Shandon Rest Stop | San Luis Obispo, CA | 1,300 | 10 | - |
| Salpointe Catholic High School | Tucson, AZ | 1,300 | 92 | - |
| Katherine Landing Dwtp | Boulder City, AZ | 1,300 | 943 | - |
| Oppelo Water Department | Oppelo, AR | 1,300 | 27 | - |
| Makah Neah Bay | Neah Bay, 10 | 1,300 | 783 | - |
| Crow Agency Water System | Crow Agency, 08 | 1,300 | 254 | - |
| Diamond Lake Water & Sewer District | Newport, WA | 1,299 | 83 | - |
| Concho Rural Water N Concho Lake Estates | San Angelo, TX | 1,299 | 58 | - |
| Bond Water Association #1 | Louisville, MS | 1,299 | 267 | - |
| Randolph Water Association #1 | Randolph, MS | 1,299 | 560 | Clean |
| Bowman Water System | Bowman, GA | 1,299 | 33 | - |
| Palouse Water Dept City Of | Palouse, WA | 1,298 | 45 | - |
| West Geauga Campus | Chesterland, OH | 1,298 | 89 | - |
| Atkinson, City Of | Atkinson, NE | 1,298 | 71 | - |
| Morgan County PWSD # 2 | Stover, MO | 1,298 | 169 | - |
| St. Cloud Travel Information MNDOT | St. Paul, MN | 1,298 | 12 | - |
| Pinecrest Permittees Assn | Pinecrest, CA | 1,298 | 10 | - |
| Willow Creek C.s.d. | Willow Creek, CA | 1,298 | 7 | - |
| Epcor - Moovalya Keys | El Mirage, AZ | 1,298 | 340 | - |
| Ranchester, Town Of | Ranchester, WY | 1,297 | 14 | - |
| Lee County Psa/Eastern Lee | Jonesville, VA | 1,297 | 12 | - |
| Rocky Ridge Town Water System | Rocky Ridge, UT | 1,297 | 43 | - |
| Rossville Water System | Rossville, TN | 1,297 | 25 | - |
| Upper Souris Water District-System I | Kenmare, ND | 1,296 | 46 | - |
| Timber Trails RV Park | White Plains, MI | 1,296 | 19 | - |
| Shoals Water Company | Loogootee, IN | 1,296 | 37 | - |
| Enigma | Enigma, GA | 1,296 | 157 | - |
| Terre Hill Borough | East Earl, PA | 1,295 | 219 | - |
| Village of Buckingham Springs | New Hope, PA | 1,295 | 211 | - |
| Delaware Co RWD #10 | Afton, OK | 1,295 | 38 | - |
| Saratoga Glen Hollow | Victory Mills, NY | 1,295 | 10 | - |
| Fairfax | Fairfax, MN | 1,295 | 19 | - |
| Prairie Path Water Company-Lake Wildwood | Oakwood, IL | 1,295 | 12 | - |
| Del Oro Water Company - Strawberry Div. | Chico, CA | 1,295 | 50 | - |
| Oran PWS | Oran, MO | 1,294 | 186 | - |
| Marion Waterworks | Marion, WI | 1,293 | 4 | - |
| Harris County MUD 490 | Houston, TX | 1,293 | 4 | - |
| Lake View Town of (Sc1710003) | Conway, SC | 1,293 | 17 | Clean |
| L&r North Water System | West Monroe, LA | 1,293 | 269 | - |
| Republic Co RWD 2 | Belleville, KS | 1,293 | 71 | - |
| City of Wallis | Wallis, TX | 1,292 | 13 | - |
| Prosperity Town of (Sc3610005) | Prosperity, SC | 1,292 | 10 | - |
| Hagerman Water System | Hagerman, NM | 1,292 | 77 | - |
| St Francis, City Of | St Francis, KS | 1,292 | 29 | - |
| Flovilla | Flovilla, GA | 1,292 | 9 | - |
| Can Do Corporate Center | Hazleton, PA | 1,291 | 158 | - |
| Wyndham Grand Desert | Las Vegas, NV | 1,291 | 48 | - |
| Spring Grove | Spring Grove, MN | 1,291 | 11 | - |
| Lacenter Municipal Water Co | Lacenter, KY | 1,291 | 244 | - |
| Slo Cwwd No. 23 - Santa Margarita | San Luis Obispo, CA | 1,291 | 2 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).