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 |
|---|---|---|---|---|
| Dallas, Town Of | Dallas, NC | 8,125 | 347 | Detected |
| Stockton University Main Campus | Galloway, NJ | 8,116 | 124 | Clean |
| Morgan County Quality WD | Fort Morgan, CO | 8,116 | 81 | Clean |
| Cochran | Cochran, GA | 8,114 | 26 | Detected |
| Palmer Water System | Palmer, AK | 8,111 | 206 | Clean |
| Skiatook PWA | Skiatook, OK | 8,110 | 379 | Detected |
| West Park MUD | Houston, TX | 8,106 | 79 | - |
| Southwest Allen Ww District No 2 | Kinder, LA | 8,106 | 162 | Detected |
| Benton | Benton, IL | 8,104 | 85 | Clean |
| Tunica-biloxi Tribe Of La | 06 | 8,103 | 54 | Clean |
| Niagara Water Improvement Area | Niagara Falls, NY | 8,100 | 0 | Clean |
| Bayou la Batre Utilities | Bayou la Batre, AL | 8,100 | 202 | Clean |
| Gswc - Hollydale | Anaheim, CA | 8,099 | 2 | Detected |
| Buckhannon Water Board | Buckhannon, WV | 8,098 | 42 | Clean |
| Adams Co W/a #2-South | Washington, MS | 8,097 | 1,038 | Clean |
| Firebaugh City | Firebaugh, CA | 8,096 | 25 | Clean |
| North Beach Water | Ocean Park, WA | 8,093 | 80 | Clean |
| York, City Of | York, NE | 8,091 | 57 | Clean |
| Smithfield, Town Of | Smithfield, VA | 8,089 | 100 | Clean |
| Arizona Water Co - Pinewood | Phoenix, AZ | 8,089 | 48 | Clean |
| City of Aransas Pass | Aransas Pass, TX | 8,088 | 93 | Detected |
| Westminster City of (3710003) | Westminster, SC | 8,085 | 149 | Clean |
| Turners Falls Water Dept | Turners Falls, MA | 8,080 | 22 | Clean |
| Milton City Of | Milton, WA | 8,078 | 56 | Detected |
| Adams Co W/a #4-Kaiser Lake | Washington, MS | 8,078 | 713 | Clean |
| Springfield, City Of | Springfield, FL | 8,075 | 133 | Clean |
| Piedmont Utilities Board | Piedmont, AL | 8,073 | 54 | Clean |
| Fort Belknap WSC | Graham, TX | 8,070 | 19 | Detected |
| Alliance, City Of | Alliance, NE | 8,070 | 106 | Clean |
| City of Navasota | Navasota, TX | 8,068 | 55 | Clean |
| Island Lake | Island Lake, IL | 8,066 | 10 | Clean |
| Sutherlin, City Of | Sutherlin, OR | 8,060 | 41 | Clean |
| City of Marble Falls | Marble Falls, TX | 8,059 | 28 | Detected |
| Waupun Utilities | Waupun, WI | 8,056 | 22 | Clean |
| Ilion (V) Water Works | Ilion, NY | 8,053 | 88 | Clean |
| Tybee Island | Tybee Island, GA | 8,047 | 18 | Clean |
| Brown University Health-RI Hospital | Newton, RI | 8,040 | 0 | Clean |
| Pulaski County PWSD 2 | Waynesville, MO | 8,038 | 23 | Clean |
| Dripping Springs WSC | Dripping Springs, TX | 8,037 | 39 | Clean |
| Town of Benton Water System | Benton, LA | 8,037 | 48 | Detected |
| Pismo Beach Water Department | Pismo Beach, CA | 8,036 | 13 | Clean |
| Harrahs las Vegas | Las Vegas, NV | 8,031 | 9 | Clean |
| Magnolia-Greenleaves | Des Peres, LA | 8,031 | 47 | Clean |
| Ripley Water System | Ripley, TN | 8,030 | 4 | Clean |
| Colonie Village | Albany, NY | 8,030 | 25 | Detected |
| Edgartown Water Department | Edgartown, MA | 8,027 | 19 | Clean |
| Kalama City Of | Kalama, WA | 8,020 | 9 | Clean |
| Harris County MUD 153 | Houston, TX | 8,013 | 4 | Clean |
| Pine Strawberry Wid | Pine, AZ | 8,013 | 641 | Detected |
| Templeton Csd | Templeton, CA | 8,011 | 4 | Detected |