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 |
|---|---|---|---|---|
| South Central Water Assn | Raymond, MS | 12,260 | 368 | Clean |
| Auburn Water District | Auburn, MA | 12,255 | 503 | Detected |
| Effingham | Effingham, IL | 12,252 | 40 | Clean |
| Mascotte Water Department | Mascotte, FL | 12,250 | 117 | Clean |
| Cecilia Water Corporation | Cecilia, LA | 12,249 | 57 | Clean |
| Defuniak Springs W/S, City Of | Defuniak Springs, FL | 12,243 | 27 | Clean |
| Erwin Utilities Authority | Erwin, TN | 12,236 | 73 | Detected |
| Exeter Water Dept | Exeter, NH | 12,236 | 268 | Detected |
| South Cumberland U.d. | Crossville, TN | 12,233 | 64 | Clean |
| Jbmdl - McGuire Afb | Jb Mdl, NJ | 12,227 | 212 | Clean |
| Beatrice, City Of | Beatrice, NE | 12,220 | 41 | Clean |
| Haralson County Water Authority | Buchanan, GA | 12,220 | 55 | Clean |
| City of Newman-Water Department | Newman, CA | 12,207 | 19 | Clean |
| Brattleboro Water Dept | Brattleboro, VT | 12,200 | 57 | Clean |
| Military Hwy WSC Progreso | Progreso, TX | 12,198 | 13 | Clean |
| Spearfish | Spearfish, SD | 12,193 | 19 | Clean |
| Greenup Water System | Greenup, KY | 12,193 | 414 | Clean |
| Arizona Water Co - Lakeside | Phoenix, AZ | 12,191 | 89 | Detected |
| Yancey WSC | Yancey, TX | 12,186 | 34 | Clean |
| Centralia | Centralia, IL | 12,182 | 23 | Clean |
| Wvawc Bluefield District | Charleston, WV | 12,174 | 0 | Clean |
| SW White County Water Assn | Searcy, AR | 12,173 | 0 | Clean |
| Little Chute Waterworks | Little Chute, WI | 12,168 | 99 | Clean |
| Northampton MUD | Houston, TX | 12,162 | 5 | Clean |
| Neosho PWS | Neosho, MO | 12,157 | 54 | Clean |
| Hammonton Water Dept | Hammonton, NJ | 12,153 | 723 | Clean |
| Indiana American Water - Wabash | Greenwood, IN | 12,140 | 1 | Clean |
| Thermalito Water & Sewer Dist | Oroville, CA | 12,136 | 11 | Detected |
| Fortuna, City Of | Fortuna, CA | 12,133 | 5 | Clean |
| Gladstone, City Of | Gladstone, OR | 12,121 | 63 | Clean |
| Arizona Water Co - Sedona | Phoenix, AZ | 12,104 | 259 | Detected |
| Captain James a Lovell Fhcc | North Chicago, IL | 12,100 | 98 | Clean |
| Waikoloa | Waikoloa, HI | 12,100 | 14 | Clean |
| Ft Lupton City Of | Fort Lupton, CO | 12,099 | 328 | Clean |
| Harris County MUD 157 | Houston, TX | 12,087 | 10 | Detected |
| Talking Stick Resort | Scottsdale, 09 | 12,087 | 0 | Clean |
| Naval Base Kitsap at Bremerton | Silverdale, WA | 12,078 | 22 | Clean |
| Buckeye Water District 50 | Deville, LA | 12,078 | 7 | Clean |
| Plateau Utility District | Wartburg, TN | 12,074 | 80 | Detected |
| Woodlawn Utility District | Woodlawn, TN | 12,069 | 73 | Clean |
| Lewisburg | Lewisburg, WV | 12,065 | 228 | Clean |
| West Escambia Utilities Inc. | Atmore, AL | 12,060 | 151 | Clean |
| Festus PWS | Festus, MO | 12,054 | 12 | Detected |
| Hugo | Hugo, MN | 12,047 | 0 | Detected |
| West Feliciana Consol Wwks District 13 | St. Francisville, LA | 12,045 | 60 | Clean |
| City of McComb | McComb, MS | 12,041 | 129 | Clean |
| Skyway Water & Sewer | Seattle, WA | 12,036 | 4 | Clean |
| Water Service Corporation of Kentucky | Middlesboro, KY | 12,022 | 34 | Clean |
| Pike County Water Authority | Troy, AL | 12,021 | 223 | Detected |
| Freeport, City Of | Freeport, FL | 12,020 | 32 | Clean |