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 |
|---|---|---|---|---|
| Prairie Ronde Water System Inc | Lawtell, LA | 6,090 | 40 | Clean |
| Greenfield Water Association | Pearl, MS | 6,088 | 802 | Clean |
| Tisbury Water Works | Tisbury, MA | 6,082 | 48 | Clean |
| Dinuba, City Of | Dinuba, CA | 6,081 | 36 | Clean |
| Sandia Peak Utility | Albuquerque, NM | 6,079 | 31 | Clean |
| Montara Water and Sanitary District | Montara, CA | 6,078 | 11 | Clean |
| Fruit Heights City Water System | Fruit Heights, UT | 6,075 | 29 | Clean |
| Jones WSC | Quitman, TX | 6,075 | 7 | Clean |
| Laclede County PWSD 3 | Lebanon, MO | 6,075 | 15 | Clean |
| Double Springs, Town of W&S Board | Double Springs, AL | 6,075 | 147 | Clean |
| South Crenshaw County Water Authority | Brantley, AL | 6,075 | 55 | Clean |
| Shawnee Co RWD 8 | Tecumseh, KS | 6,073 | 45 | Detected |
| Nsa Hampton Roads, Portsmouth Annex | Norfolk, VA | 6,072 | 0 | Clean |
| Southern Jackson County P S D | Kenna, WV | 6,070 | 265 | Detected |
| City of Woodville | Woodville, TX | 6,069 | 49 | Clean |
| Sunrise Utility Assn Inc | Petal, MS | 6,067 | 1,000 | Detected |
| Big Cedar Lodge Resort | Ridgedale, MO | 6,067 | 17 | - |
| Harris County MUD 400 - East | Houston, TX | 6,066 | 4 | - |
| Tucumcari Water System | Tucumcari, NM | 6,064 | 43 | Clean |
| Independence Water Dept | Independence, IA | 6,064 | 15 | Clean |
| Harris County Ud 16 | Houston, TX | 6,063 | 12 | Clean |
| Cass County PWSD 9 | Harrisonville, MO | 6,063 | 11 | Clean |
| Valley Pioneers Water Company Inc | Golden Valley, AZ | 6,063 | 149 | Clean |
| Waupaca Waterworks | Waupaca, WI | 6,062 | 41 | Detected |
| City of Krum | Krum, TX | 6,062 | 88 | Clean |
| Pittsboro, Town Of | Sanford, NC | 6,060 | 261 | Detected |
| Maize, City Of | Maize, KS | 6,060 | 0 | Clean |
| Maywood Mutual Water Co. #3 | Maywood, CA | 6,059 | 10 | Detected |
| Sebring Village PWS | Sebring, OH | 6,058 | 331 | Clean |
| Port Clinton City | Port Clinton, OH | 6,056 | 17 | Clean |
| Aquarion-Newtown Regional | Shelton, CT | 6,054 | 38 | Detected |
| Osceola Waterworks | Osceola, AR | 6,053 | 10 | Clean |
| Red Boiling Springs W.S. | Red Boiling Springs, TN | 6,050 | 868 | Clean |
| Pendleton Town WD | Lockport, NY | 6,050 | 1 | Clean |
| Lake MUD | Houston, TX | 6,048 | 8 | Detected |
| Lee Road Water Corporation | Covington, LA | 6,048 | 25 | Clean |
| Red Bay, the Water Works & Gas Bd | Red Bay, AL | 6,048 | 237 | Clean |
| Village of Angel Fire | Angel Fire, NM | 6,045 | 335 | Clean |
| Sedgwick Co RWD 3 | Mulvane, KS | 6,045 | 39 | Clean |
| Coryell City Water Supply District | Gatesville, TX | 6,042 | 140 | Detected |
| Pemiscot County Con PWSD 1 | Hayti, MO | 6,042 | 32 | Clean |
| Andrew County PWSD 1 | Savannah, MO | 6,042 | 12 | Clean |
| Hanceville, the Wwsb of the City Of | Hanceville, AL | 6,042 | 10 | Detected |
| Warren County Util Dist #2 | McMinnville, TN | 6,022 | 395 | Clean |
| Brennan Beach RV Resort | Chicago, NY | 6,020 | 81 | - |
| Hopedale Water Department | Hopedale, MA | 6,017 | 68 | Detected |
| Fosters-Ralph Water Authority | Ralph, AL | 6,015 | 4 | Clean |
| Awo&m - Picatinny Arsenal | Wharton, NJ | 6,011 | 11 | Detected |
| City of los Fresnos | Los Fresnos, TX | 6,009 | 298 | Clean |
| Kingstree Town of (Sc4510002) | Kingstree, SC | 6,009 | 73 | Clean |