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 |
|---|---|---|---|---|
| Espanola Water System | Espanola, NM | 12,012 | 694 | Clean |
| Evanston, City Of | Evanston, WY | 12,000 | 3 | Clean |
| Utah Tech Culinary Water System | St George, UT | 12,000 | 7 | - |
| Suffern Village | Suffern, NY | 12,000 | 63 | Detected |
| Monroe Village | Monroe, NY | 12,000 | 339 | Detected |
| Manchester Utilities Authority | Woodland Park, NJ | 12,000 | 194 | Detected |
| Point Pleasant Beach Water Department | Point Pleaseant Beach, NJ | 12,000 | 45 | Detected |
| Aqua NJ - Eastern Division | Hamilton, NJ | 12,000 | 98 | Detected |
| Somersworth Water Works | Somersworth, NH | 12,000 | 160 | Clean |
| Dan River Water Inc | Eden, NC | 12,000 | 162 | - |
| Co Water Dist of Billings Heights | Billings, MT | 12,000 | 11 | Clean |
| Ingalls Shipbuilding | Pascagoula, MS | 12,000 | 13 | Clean |
| Shawnee Co RWD 4C | Topeka, KS | 12,000 | 2 | Detected |
| Brazil City Water Works | Brazil, IN | 12,000 | 28 | Clean |
| Bethany Beach Water Department | Bethany Beach, DE | 12,000 | 21 | Clean |
| Ft Morgan City Of | Fort Morgan, CO | 12,000 | 75 | Clean |
| Lakehurst WSD | Littleton, CO | 12,000 | 0 | - |
| Ken Caryl WSD | Littleton, CO | 12,000 | 0 | - |
| Cabrillo College | Aptos, CA | 12,000 | 7 | Clean |
| Bangor Township | Bay City, MI | 11,999 | 0 | Clean |
| E Daviess Co Water Assoc Inc | Knottsville, KY | 11,997 | 48 | Detected |
| Paw Huntsville | Scranton, PA | 11,987 | 0 | Clean |
| Ave Maria Utility Company, Lllp | Naples, FL | 11,982 | 41 | - |
| Black Mountain, Town Of | Black Mountain, NC | 11,976 | 241 | - |
| Beacon Hill Water & Sewer District | Kelso, WA | 11,969 | 2 | Clean |
| Fgua / Macdill | Tampa, FL | 11,965 | 20 | Detected |
| Cameron PWS | Cameron, MO | 11,963 | 46 | Clean |
| Montecito Water Dist | Santa Barbara, CA | 11,962 | 10 | Clean |
| Socorro Water System | Socorro, NM | 11,953 | 228 | Clean |
| Weston Water Dept. | Weston, MA | 11,941 | 33 | Clean |
| Haddon Twp Water Departm | Westmont, NJ | 11,938 | 110 | Clean |
| Patriot Water Department | Patriot, IN | 11,937 | 491 | Clean |
| Thomas Township | Saginaw, MI | 11,931 | 1 | Clean |
| Lupine Bass Lake | Clovis, CA | 11,930 | 47 | - |
| Arkansas City, City Of | Arkansas City, KS | 11,929 | 75 | Detected |
| Blackfoot City Of | Blackfoot, ID | 11,922 | 74 | Clean |
| Sturgis | Sturgis, MI | 11,920 | 31 | Clean |
| Martin Water Dept | Martin, TN | 11,918 | 3 | Clean |
| Indiana American Water - Lowell | Greenwood, IN | 11,908 | 292 | Clean |
| Bolivar WSC | Sanger, TX | 11,901 | 33 | Clean |
| Lindon City | Spanish Fork, UT | 11,900 | 530 | Clean |
| R. C. Willis WTP (City of Palatka) | Palatka, FL | 11,900 | 268 | Clean |
| Ocean Pines | Berlin, MD | 11,890 | 73 | Detected |
| Zuni Pueblo | 06 | 11,888 | 21 | Clean |
| Cordele | Cordele, GA | 11,880 | 9 | Clean |
| Union City of (Sc4410001) | Union, SC | 11,873 | 16 | Detected |
| Haleyville Water Works & Sewer Board | Haleyville, AL | 11,865 | 38 | Clean |
| IL American-Pontiac | Godfrey, IL | 11,864 | 59 | Detected |
| Picayune Utilities, City Of | Picayune, MS | 11,859 | 364 | Clean |
| Arkadelphia Waterworks | Arkadelphia, AR | 11,855 | 20 | Clean |