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 |
|---|---|---|---|---|
| Walsh Rural Water District | Grafton, ND | 3,000 | 1 | - |
| Dena Mora Saltese East Rest | Missoula, MT | 3,000 | 74 | - |
| M & M Water Association | Laurel, MS | 3,000 | 956 | Clean |
| Alcorn State University | Alcorn State, MS | 3,000 | 322 | Clean |
| Jefferson County PWSD 12 | Festus, MO | 3,000 | 7 | - |
| Hillsboro PWS | Hillsboro, MO | 3,000 | 75 | - |
| Ava PWS | Ava, MO | 3,000 | 58 | - |
| Stoddard County PWSD 1 | Dexter, MO | 3,000 | 16 | Clean |
| Mississippi County PWSD 1 | Anniston, MO | 3,000 | 24 | - |
| Saline County PWSD 3 | Marshall, MO | 3,000 | 81 | - |
| Chilson Commons / Kroger | Pinckney, MI | 3,000 | 25 | - |
| Lenox Township | Lenox, MI | 3,000 | 0 | - |
| K I Sawyer | Gwinn, MI | 3,000 | 7 | - |
| Andrews University | Berrien Springs, MI | 3,000 | 32 | - |
| Town of Mountain Lake Park | Oakland, MD | 3,000 | 42 | - |
| Town of North Beach | North Beach, MD | 3,000 | 32 | - |
| Dcr Horseneck Beach State Reservation | Boston, MA | 3,000 | 33 | - |
| Siasconset Water Department | Nantucket, MA | 3,000 | 89 | - |
| Hale Education, Inc. | Westwood, MA | 3,000 | 5 | - |
| Wellesley College | Wellesley, MA | 3,000 | 33 | - |
| Pilot Travel Center | Knoxville, MA | 3,000 | 72 | - |
| Lsu at Alexandria | Alexandria, LA | 3,000 | 94 | - |
| St Martin Water District 4 - Catahoula | St. Martinville, LA | 3,000 | 208 | - |
| Leavenworth Co RWD 7 | Bonner Springs, KS | 3,000 | 18 | - |
| Harvey Co RWD 1 | Walton, KS | 3,000 | 16 | - |
| Douglas Co RWD 4 | Baldwin City, KS | 3,000 | 26 | Clean |
| Cat Mossville | Mossville, IL | 3,000 | 235 | - |
| Winnebago | Winnebago, IL | 3,000 | 76 | - |
| Oasis MHP | Northbrook, IL | 3,000 | 101 | - |
| Heyburn City Of | Heyburn, ID | 3,000 | 22 | Clean |
| Wendell City Of | Wendell, ID | 3,000 | 75 | - |
| John Deere Dubuque Works | Dubuque, IA | 3,000 | 11 | - |
| Atlantis, City Of | Atlantis, FL | 3,000 | 12 | Detected |
| Broward Co Port Everglades Dpt | Fort Lauderdale, FL | 3,000 | 40 | - |
| Avon Park Correctional Institution | Tallahassee, FL | 3,000 | 48 | - |
| Reception and Medical Center | Tallahassee, FL | 3,000 | 31 | - |
| Chemical Materials Activity West | Pueblo, CO | 3,000 | 302 | - |
| Smith Forks Water System | Lancaster, CA | 3,000 | 2 | - |
| Casillas Water System | Porterville, CA | 3,000 | 2 | - |
| Sweetwater Springs Cwd - Monte Rio | Guerneville, CA | 3,000 | 0 | - |
| Santa Clara Valley Medical Center | San Jose, CA | 3,000 | 21 | - |
| El Camino Hospital | Mountain View, CA | 3,000 | 5 | - |
| Knott S Berry Farm | Buena Park, CA | 3,000 | 10 | - |
| Caltrans-Boron Rest Stop Water System | Bishop, CA | 3,000 | 30 | - |
| Wild Water Adventures | Clovis, CA | 3,000 | 19 | - |
| Ua Tech Park - Rita Road | Tucson, AZ | 3,000 | 86 | Clean |
| Tucson Medical Center | Tucson, AZ | 3,000 | 153 | - |
| Wellton Town Of | Wellton, AZ | 3,000 | 929 | - |
| Palo Verde Nuclear Generating Station | Tonopah, AZ | 3,000 | 40 | - |
| Soboba | San Jacinto, 09 | 3,000 | 144 | - |