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 |
|---|---|---|---|---|
| East Feliciana Rural Water | Ethel, LA | 14,829 | 74 | Clean |
| East Cedar Creek Fwsd Brookshire | Mabank, TX | 14,823 | 163 | Detected |
| Randolph Twp Public Works Dept | Randolph Twp, NJ | 14,820 | 50 | Clean |
| Midlothian | Midlothian, IL | 14,819 | 66 | Clean |
| Garrard Co Water Assoc Inc | Lancaster, KY | 14,806 | 50 | Clean |
| City of Hidalgo Water System | Hidalgo, TX | 14,800 | 40 | Clean |
| South Hadley Fd #1 (Mwra) | South Hadley, MA | 14,800 | 25 | Clean |
| Amherst Co Service Authority (Acsa) | Madison Heights, VA | 14,799 | 38 | Clean |
| Harris County MUD 24 | Houston, TX | 14,796 | 26 | Detected |
| Washington | Washington, IL | 14,793 | 20 | Clean |
| Sjcu-Northeast Utilities WS | St. Augustine, FL | 14,790 | 21 | Clean |
| Kings Mountain, Town Of | Kings Mountain, NC | 14,784 | 59 | Detected |
| Island Water Association | Captiva, FL | 14,784 | 4 | Clean |
| IL American-Sterling | Godfrey, IL | 14,782 | 17 | Clean |
| Lindale Rural WSC | Lindale, TX | 14,781 | 19 | Clean |
| Negros | Corozal, PR | 14,781 | 500 | Clean |
| Morris | Morris, IL | 14,775 | 108 | Clean |
| Lawrenceburg Water & Sewer Dept | Lawrenceburg, KY | 14,748 | 429 | Detected |
| Epcor - North East Agua Fria | El Mirage, AZ | 14,723 | 49 | Clean |
| Cnp Utility District | Houston, TX | 14,718 | 6 | Detected |
| Kingston Water Department | Kingston, MA | 14,712 | 86 | Clean |
| Montgomery County Water System | Mt Gilead, NC | 14,710 | 235 | Detected |
| City of Red Bluff | Red Bluff, CA | 14,710 | 20 | Detected |
| Southern Madison Water District | Berea, KY | 14,707 | 76 | Clean |
| Seekonk Water District | Seekonk, MA | 14,704 | 15 | Detected |
| Nyack Village Water Supply | Nyack, NY | 14,700 | 29 | Detected |
| Warwick Twp Water & Sewer Auth | Jamison, PA | 14,699 | 245 | Detected |
| Ctwc - Unionville System | Clinton, CT | 14,693 | 27 | Detected |
| Aquarion-Simsbury Regional | Shelton, CT | 14,691 | 200 | Detected |
| Sault Ste Marie | Sault Ste. Marie, MI | 14,689 | 48 | Clean |
| Lee County WSC | Giddings, TX | 14,670 | 13 | Clean |
| Brainerd | Brainerd, MN | 14,670 | 15 | Clean |
| City of Henderson | Henderson, TX | 14,666 | 116 | Detected |
| North Shelby Water District | Bagdad, KY | 14,660 | 52 | Detected |
| Mountain Home, City Of | Mountain Home, ID | 14,651 | 249 | Clean |
| PA American Water Co Warren | Warren, PA | 14,650 | 2 | Clean |
| West Hwy 80 Ark Road WS | West Monroe, LA | 14,649 | 217 | Clean |
| Robbinsdale | Robbinsdale, MN | 14,646 | 0 | Detected |
| Cheney City Of | Cheney, WA | 14,621 | 17 | Clean |
| Lake Section Water Company | Chaparral, NM | 14,619 | 151 | Clean |
| Yabucoa Urbano | Yabucoa, PR | 14,610 | 384 | Detected |
| Carthage PWS | Carthage, MO | 14,600 | 11 | Clean |
| Hutchinson | Hutchinson, MN | 14,590 | 0 | Clean |
| Savannah-Georgetown/Gateway | Port Wentworth, GA | 14,589 | 25 | Clean |
| Reidsville, City Of | Reidsville, NC | 14,585 | 193 | Detected |
| Great Bend, City Of | Great Bend, KS | 14,580 | 78 | Detected |
| City of Parlier | Parlier, CA | 14,576 | 32 | Clean |
| Caddo Basin Sud | Greenville, TX | 14,574 | 12 | Detected |
| Gateway Services District | Fort Myers, FL | 14,553 | 15 | Clean |
| Mescalero Inn Of The Mt. Gods | 06 | 14,542 | 51 | Clean |