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 |
|---|---|---|---|---|
| Annandale | Annandale, MN | 3,430 | 11 | Clean |
| Manti City | Manti, UT | 3,429 | 76 | Clean |
| Northwest Harris County MUD 20 | Houston, TX | 3,429 | 8 | Detected |
| Turkey Creek Water System | Gilbert, LA | 3,429 | 64 | - |
| Borrego WD | Borrego Springs, CA | 3,429 | 12 | Clean |
| Loris City of (Sc2610010) | Loris, SC | 3,428 | 18 | Clean |
| Rural Water System #1 | Hospers, IA | 3,428 | 69 | Clean |
| Tallahala W/A-Antioch | Bay Springs, MS | 3,427 | 1,335 | Clean |
| Homer Water System | Homer, LA | 3,427 | 148 | Clean |
| Chapel Hill Water System | Chapel Hill, TN | 3,426 | 253 | - |
| Cordry Sweetwater Conservancy District | Nineveh, IN | 3,425 | 90 | Clean |
| Frostproof, City Of | Frostproof, FL | 3,425 | 77 | Detected |
| Barron Light & Water Dept | Barron, WI | 3,423 | 243 | Clean |
| Arizona Water Co - Rimrock | Phoenix, AZ | 3,423 | 205 | Clean |
| Northeast RWD- North Valley Branch | Cavalier, ND | 3,422 | 6 | Clean |
| South Atlantic Utilities-Bryan County(s) | Savannah, GA | 3,422 | 19 | Clean |
| Perham | Perham, MN | 3,421 | 18 | Clean |
| Peshtigo Waterworks | Peshtigo, WI | 3,420 | 160 | Clean |
| Sun WSC | Merkel, TX | 3,420 | 37 | - |
| Harris County MUD 249 | Houston, TX | 3,420 | 3 | - |
| Bajadero | Arecibo, PR | 3,420 | 48 | Clean |
| Gorham Town WD | Gorham, NY | 3,420 | 172 | Clean |
| Middlebury Water Department | Middlebury, IN | 3,420 | 17 | Clean |
| Kilauea | Lihue, HI | 3,420 | 1 | Clean |
| Uriah Water System Inc. | Uriah, AL | 3,420 | 261 | Clean |
| Lineville Water Works Board | Lineville, AL | 3,420 | 17 | - |
| Mooreville Richmond #3 | Mooreville, MS | 3,419 | 1,043 | - |
| Marysville, City Of | Marysville, KS | 3,417 | 71 | - |
| Lula | Lula, GA | 3,416 | 60 | - |
| Raleigh County Psd Coal City | Sophia, WV | 3,415 | 66 | - |
| Licking County Harbor Hills PWS | Buckeye Lake, OH | 3,415 | 28 | - |
| Freemanville Water System | Freemanville, AL | 3,414 | 11 | Clean |
| City of Shepherd | Shepherd, TX | 3,411 | 186 | - |
| Madill | Madill, OK | 3,410 | 264 | Clean |
| Lebanon Correctional Institution | Lebanon, OH | 3,410 | 88 | Clean |
| Walker Co. Rural Water Auth. | Rock Spring, GA | 3,410 | 19 | - |
| Milan Community Water System | Milan, NM | 3,409 | 73 | Clean |
| Epcor - Willow Valley/King Street | El Mirage, AZ | 3,408 | 121 | Clean |
| Beloit, City Of | Beloit, KS | 3,407 | 339 | - |
| Mosinee Waterworks | Mosinee, WI | 3,406 | 28 | - |
| McIntosh County-Crescent Community WS | Darien, GA | 3,406 | 43 | - |
| Springdale Boro Water Dept | Springdale, PA | 3,405 | 249 | Detected |
| Slatersville Public Supply | North Smithfield, RI | 3,403 | 106 | - |
| Collinsville Water Assn | Collinsville, MS | 3,403 | 569 | - |
| Hardinville Water Company | Robinson, IL | 3,403 | 16 | - |
| Garzas | Adjuntas, PR | 3,402 | 145 | Clean |
| City of Brisbane | Brisbane, CA | 3,402 | 17 | - |
| City of Omaha | Omaha, TX | 3,400 | 17 | - |
| Honda Dma Anna Engine Plant | Anna, OH | 3,400 | 96 | Clean |
| Minisink Valley School Dist. Water Loop | Slate Hill, NY | 3,400 | 4 | Clean |