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 |
|---|---|---|---|---|
| Morrow Village PWS | Morrow, OH | 3,360 | 84 | - |
| Scotland County Cons PWSD 1 | Memphis, MO | 3,360 | 4 | Detected |
| Town of Parker | Parker, 09 | 3,360 | 3 | - |
| Story City Water Dept | Story City, IA | 3,357 | 40 | Clean |
| West Harris County MUD 17 | Houston, TX | 3,354 | 8 | - |
| Cadiz Village PWS | Cadiz, OH | 3,353 | 282 | Clean |
| City of Llano | Llano, TX | 3,352 | 47 | Detected |
| Lake Sara Area Water Co-Op, Inc. | Effingham, IL | 3,352 | 18 | Detected |
| Harrahs Laughlin | Laughlin, NV | 3,351 | 0 | - |
| Mingo Junction PWS | Mingo Junction, OH | 3,350 | 156 | - |
| Usmc-Logistics | Albany, GA | 3,350 | 36 | Clean |
| Hudson Town Of | Hudson, CO | 3,350 | 184 | Clean |
| Liberty City of (Sc3910003) | Liberty, SC | 3,349 | 38 | Clean |
| Kemmerer-Diamondville Jpb | Kemmerer, WY | 3,348 | 53 | Clean |
| Jamestown Water Department | Jamestown, RI | 3,348 | 116 | Detected |
| Jefferson, City Of | Jefferson, OR | 3,348 | 55 | - |
| Naval Construction Battal Ctr | Gulfport, MS | 3,347 | 815 | Clean |
| Fulton | Fulton, IL | 3,346 | 21 | Detected |
| Williamsburg Public Water Supply | Williamsburg, IA | 3,345 | 78 | - |
| Chincoteague, Town Of | Chincoteague, VA | 3,344 | 13 | Clean |
| G & W WSC | Waller, TX | 3,343 | 17 | Clean |
| Borough of Cornwall | Lebanon, PA | 3,343 | 46 | - |
| Boylston Water District | Boylston, MA | 3,343 | 140 | Detected |
| Netcong Water Dept | Netcong, NJ | 3,342 | 128 | Detected |
| Glade Waterworks Assn | Laurel, MS | 3,340 | 979 | Clean |
| Breckenridge | Breckenridge, MN | 3,340 | 11 | Clean |
| Plainview | Plainview, MN | 3,340 | 2 | Clean |
| Rush City | Rush City, MN | 3,339 | 34 | - |
| Tenino City of | Tenino, WA | 3,336 | 118 | Clean |
| Santa Isabel | Utuado, PR | 3,335 | 281 | Clean |
| Texas County PWSD 1 | Roby, MO | 3,335 | 52 | - |
| City of Poplarville | Poplarville, MS | 3,334 | 544 | Clean |
| Nahant Water Dept. (Mwra) | Nahant, MA | 3,334 | 29 | Clean |
| Travis County MUD 14 | Austin, TX | 3,333 | 0 | - |
| Town of Pearl River | Pearl River, LA | 3,333 | 22 | Clean |
| Greater Ward 1 Waterworks District | Ruston, LA | 3,333 | 38 | Clean |
| Jamestown Township | Hudsonville, MI | 3,330 | 6 | Clean |
| Holton, City Of | Holton, KS | 3,329 | 18 | - |
| Rio Alto Water District | Cottonwood, CA | 3,329 | 8 | - |
| Grottoes, Town Of | Grottoes, VA | 3,328 | 10 | Clean |
| Kensington Water Park | Milford, MI | 3,325 | 13 | - |
| Pontoon Beach Pwd | Granite City, IL | 3,325 | 18 | Detected |
| Ben Wheeler WSC | Ben Wheeler, TX | 3,324 | 6 | - |
| Pine Island | Pine Island, MN | 3,324 | 11 | Clean |
| West Grant Water Association | Alanta, LA | 3,324 | 84 | Clean |
| Seward | Seward, AK | 3,324 | 338 | Clean |
| Jackson | Jackson, MN | 3,323 | 5 | Clean |
| Claypool Hill Tazewell Co Psa | North Tazewell, VA | 3,322 | 7 | Detected |
| Carson City | Carson City, MI | 3,322 | 25 | Clean |
| Town of Centreville | Centreville, MD | 3,322 | 102 | Clean |