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 |
|---|---|---|---|---|
| Oblong | Oblong, IL | 2,321 | 6 | - |
| Spring Canyon WSD | Fort Collins, CO | 2,320 | 157 | - |
| Clawa | Crestline, CA | 2,320 | 1 | - |
| White Bluff | Austin, TX | 2,319 | 204 | - |
| Madelia | Madelia, MN | 2,319 | 19 | - |
| Te Mamou Water District | Ville Platte, LA | 2,319 | 50 | - |
| Water Oak Utility Co (Sc0750002) | Hilton Head, SC | 2,318 | 28 | - |
| Beulah Hubbard Water Assn, Inc | Decatur, MS | 2,318 | 277 | - |
| Prentiss-Alcorn Water Assn | Rienzi, MS | 2,318 | 318 | - |
| Sterling, City Of | Sterling, KS | 2,318 | 60 | - |
| Richwood Village PWS | Richwood, OH | 2,316 | 52 | - |
| Headwaters at Barton Creek | Round Rock, TX | 2,315 | 21 | - |
| Alto Rural WSC Coldsprings Plant | Alto, TX | 2,313 | 108 | - |
| Utilities Inc - French Settlement | Mandeville, LA | 2,313 | 5 | - |
| White Hall | White Hall, IL | 2,313 | 128 | - |
| Southern York Co Sch Dist | Glen Rock, PA | 2,312 | 56 | - |
| Colbert Pua | Colbert, OK | 2,312 | 174 | - |
| Cumberland Waterworks | Cumberland, WI | 2,311 | 43 | - |
| Shamrock Municipal Water System | Shamrock, TX | 2,311 | 122 | - |
| Shasla PUD | Houston, TX | 2,310 | 0 | - |
| New Site Water System | New Site, AL | 2,310 | 4 | - |
| Harris County MUD 422 | Houston, TX | 2,307 | 5 | - |
| Wynnewood Water & Light | Wynnewood, OK | 2,307 | 368 | - |
| City of Magnolia | Magnolia, MS | 2,307 | 581 | - |
| Hudson | Hudson, MI | 2,307 | 25 | - |
| Owingsville Water Works | Owingsville, KY | 2,307 | 182 | - |
| Mountain View Water Assoc | Grafton, WV | 2,306 | 78 | - |
| Wawa #920 | Wawa, NJ | 2,306 | 13 | - |
| Dunkirk Water Department | Dunkirk, IN | 2,305 | 28 | - |
| Colfax Water Supply | Colfax, IA | 2,305 | 60 | - |
| Walworth Waterworks | Walworth, WI | 2,304 | 69 | - |
| Southern Oaks Water Supply | TX | 2,304 | 15 | - |
| Miller Airport Fairgrounds | Toms River, NJ | 2,304 | 19 | - |
| Town of St Francisville Water System | St. Francisville, LA | 2,304 | 20 | - |
| Dogwood South Water System | Benton, LA | 2,304 | 9 | - |
| Chelsea Ridge Apartments | Albany, NY | 2,303 | 14 | - |
| Jea: Ponce de Leon Grid | Jacksonville, FL | 2,303 | 10 | - |
| Angel of the Winds | Arlington, 10 | 2,303 | 308 | - |
| Liberty Water Works | Liberty, KY | 2,302 | 898 | - |
| Bold Springs WSC | West, TX | 2,301 | 13 | - |
| Harris County MUD 44 | Houston, TX | 2,301 | 8 | - |
| Kenly, Town Of | Kenly, NC | 2,301 | 223 | - |
| Town of Moorhead | Moorhead, MS | 2,301 | 817 | - |
| Big Wills Water & Fire Pro Authority | Attalla, AL | 2,301 | 232 | - |
| Floyd-Floyd Co Psa | Floyd, VA | 2,300 | 80 | - |
| Cargill Meat Solutions Friona | Friona, TX | 2,300 | 85 | - |
| Canadian Municipal Water System | Canadian, TX | 2,300 | 20 | - |
| St George Town of (1810001) | St George, SC | 2,300 | 18 | - |
| Susquenita Sch Dist | Duncannon, PA | 2,300 | 254 | - |
| Bermudian Springs Sch Dist | York Springs, PA | 2,300 | 65 | - |