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 |
|---|---|---|---|---|
| Brophy College Preparatory | Phoenix, AZ | 1,500 | 73 | - |
| AZ State Parks Slide Rock | Phoenix, AZ | 1,500 | 93 | - |
| Camp Robinson | North Little Rock, AR | 1,500 | 4 | - |
| Casa Water Dept | Casa, AR | 1,500 | 262 | - |
| Camp Hill Utilities Board | Camp Hill, AL | 1,500 | 86 | - |
| Glen Allen Water System | Glen Allen, AL | 1,500 | 51 | - |
| Escambia Community Utilities LLC | Atmore, AL | 1,500 | 28 | - |
| Usnps Exit Glacier Nature Center | Seward, AK | 1,500 | 39 | - |
| Port Susan Camp Club #1 | Stanwood, 10 | 1,500 | 196 | - |
| Squaxin Consolidated | Shelton, 10 | 1,500 | 239 | - |
| Hard Rock Casino Tejon | Yucaipa, 09 | 1,500 | 0 | - |
| Mission Water System | Mission, 08 | 1,500 | 15 | Clean |
| Little Shell | New Town, 08 | 1,500 | 15 | - |
| Paw Nittany | Philipsburg, PA | 1,499 | 184 | - |
| Elloree Water System (Sc3810003) | Elloree, SC | 1,498 | 26 | - |
| Sanamuerto | Morovis, PR | 1,498 | 460 | - |
| Fort Bend County MUD 19 | Houston, TX | 1,497 | 2 | - |
| Prvwsd-Main Harbor | Ridgeland, MS | 1,497 | 539 | - |
| Worth County PWSD 1 | Worth, MO | 1,497 | 33 | - |
| Cana Regional Water System | Hillsville, VA | 1,496 | 17 | - |
| Aqua Ohio - Beechcrest | Massillon, OH | 1,496 | 203 | - |
| North Collins Village | Norh Collins, NY | 1,496 | 74 | - |
| Uniontown Water & Sewer Dept | Uniontown, KY | 1,496 | 138 | - |
| Hartville Marketplace PWS | Hartville, OH | 1,495 | 4 | - |
| Conehoma Water Assn #1 | Kosciusko, MS | 1,495 | 519 | - |
| Crane PWS | Crane, MO | 1,495 | 310 | - |
| Kamiah City Of | Kamiah, ID | 1,495 | 273 | - |
| Waterwood MUD 1 | Huntsville, TX | 1,494 | 108 | - |
| High Prairie Water Supply Corp | Madisonville, TX | 1,494 | 14 | - |
| Dcws Southern Palms (Sc1850011) | Summerville, SC | 1,494 | 7 | - |
| Tarkio Board of Public Works PWS | Tarkio, MO | 1,494 | 51 | - |
| Butler Co RWD 3 | Rosalia, KS | 1,494 | 16 | - |
| Autaugaville Water Works | Autaugaville, AL | 1,494 | 280 | - |
| Black Earth Waterworks | Black Earth, WI | 1,493 | 39 | - |
| City of Shoreacres | Shoreacres, TX | 1,493 | 32 | - |
| Cherokee Co. RWD #2 (Keys) | Hulbert, OK | 1,493 | 172 | - |
| Switzer Water Association | Powhattan Point, OH | 1,493 | 38 | - |
| Pinewood Estates-Brightn | Farmington Hills, NJ | 1,493 | 123 | - |
| Prairie Path Water Company-Westlake | McHenry, IL | 1,493 | 6 | - |
| Golden State Water Company - Edna | Hawthorne, CA | 1,493 | 2 | - |
| Springville U.d. | Springville, TN | 1,492 | 2 | - |
| Kenton Water Dept | Kenton, TN | 1,492 | 62 | - |
| Cedar Grove U.d. | Cedar Grove, TN | 1,492 | 178 | - |
| Acl Water Association #1 | Pelahatchie, MS | 1,492 | 554 | - |
| Lake Doster | Plainwell, MI | 1,492 | 26 | - |
| Edgar Waterworks | Edgar, WI | 1,491 | 49 | - |
| Travis County MUD 18 | Round Rock, TX | 1,491 | 14 | Detected |
| Odnr Indian Lake St Pk - Campground | Conover, OH | 1,491 | 51 | - |
| Midway Heights C. W. D. | Meadow Vista, CA | 1,491 | 82 | - |
| Del Rey Community Serv Dist | Del Rey, CA | 1,491 | 20 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).