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 |
|---|---|---|---|---|
| Stickney | Stickney, IL | 6,902 | 52 | Clean |
| Platte County Cons PWSD 1 | Kansas City, MO | 6,900 | 1 | Detected |
| Dacono City Of | Dacono, CO | 6,900 | 16 | Clean |
| West Etowah Water & Fire Pro Authority | Attalla, AL | 6,900 | 24 | Detected |
| Seminole | Seminole, OK | 6,899 | 241 | Clean |
| Thomasville Water Works & Sewer Board | Thomasville, AL | 6,897 | 105 | Detected |
| Huron City | Huron, OH | 6,893 | 61 | Clean |
| Bell Milam Falls WSC | Cameron, TX | 6,885 | 174 | Detected |
| Algoma Water Association | Algoma, MS | 6,879 | 1,024 | Clean |
| Seymour Johnson Afb | Seymour Johnson, NC | 6,875 | 34 | Detected |
| Nevada ID - North Auburn | Grass Valley, CA | 6,870 | 0 | Clean |
| Nevada ID - Lake of Pines | Grass Valley, CA | 6,870 | 0 | Clean |
| Magnolia-Resolve Whisperwood | Des Peres, LA | 6,867 | 13 | Clean |
| Carolina Beach Water System | Carolina Beach, NC | 6,864 | 1,043 | Clean |
| Scottsville Water Department | Scottsville, KY | 6,864 | 413 | Clean |
| Ncsa - Wintergreen | Lovingston, VA | 6,861 | 71 | Detected |
| Abs Water Coop | Clayton, IL | 6,858 | 35 | Clean |
| Lake Village Water Association | Burgin, KY | 6,855 | 139 | Detected |
| Carrollton Utilities | Carrollton, KY | 6,851 | 351 | Detected |
| Stewartville | Stewartville, MN | 6,850 | 17 | Clean |
| Kasson | Kasson, MN | 6,850 | 14 | Clean |
| Live Oak WTP | Live Oak, FL | 6,850 | 102 | Clean |
| Torrington Municipal Water Dept, City Of | Torrington, WY | 6,847 | 37 | Clean |
| New London WS & Fire Pro Authority | Cropwell, AL | 6,843 | 2 | Clean |
| Jewett City Water Company | Enfield, CT | 6,840 | 134 | Detected |
| City of Sealy | Sealy, TX | 6,839 | 10 | Clean |
| Standing Rock Rural Water System | Fort Yates, 08 | 6,839 | 82 | Clean |
| Guanica Urbano | Guanica, PR | 6,838 | 91 | Clean |
| Galax, City Of | Galax, VA | 6,837 | 106 | Clean |
| Calcasieu Parish Ww District 8 | Lake Charles, LA | 6,834 | 19 | Clean |
| Jessamine Co Water District #1 | Nicholasville, KY | 6,831 | 178 | Clean |
| Superior Township | Ypsilanti, MI | 6,830 | 9 | Detected |
| Lochbuie Town Of | Lochbuie, CO | 6,830 | 88 | Detected |
| Fort Bend County MUD 2 | Houston, TX | 6,819 | 4 | Detected |
| Travis County MUD 4 | Austin, TX | 6,816 | 12 | - |
| Marysville Otisco Nabb Water Corp. | Marysville, IN | 6,813 | 33 | Detected |
| Berryville Waterworks | Berryville, AR | 6,813 | 26 | Clean |
| Jacksons Gap Water Authority | Jackson's Gap, AL | 6,813 | 71 | Clean |
| Quail Creek Water Company | Tucson, AZ | 6,812 | 68 | Clean |
| Southeast Waterworks District 2 | Abbeville, LA | 6,810 | 0 | Clean |
| Fox Point Waterworks | Fox Point, WI | 6,808 | 10 | Clean |
| Two Way Sud | Whitesboro, TX | 6,804 | 23 | Detected |
| Anadarko Public Works Authority | Anadarko, OK | 6,804 | 426 | Clean |
| Ojai Water System | Oak View, CA | 6,801 | 4 | Clean |
| Sewickley Boro Water Auth | Sewickley, PA | 6,800 | 214 | Detected |
| Richland Twp Water Authority | Quakertown, PA | 6,800 | 555 | Detected |
| Warwick Village | Warwick, NY | 6,800 | 41 | Clean |
| Rushville City Utility | Rushville, IN | 6,800 | 74 | Clean |
| Nappanee Water Utility | Nappanee, IN | 6,800 | 13 | Clean |
| City of Starke WTP | Starke, FL | 6,800 | 93 | Clean |