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 |
|---|---|---|---|---|
| Yanceyville, Town Of | Yanceyville, NC | 1,937 | 339 | - |
| Msu Northern | Havre, MT | 1,937 | 10 | - |
| Henderson Pwd | Carlinville, IL | 1,937 | 74 | - |
| Dugger Utilities | Dugger, IN | 1,935 | 38 | - |
| Freedom Public Water Authority | Mena, AR | 1,935 | 22 | - |
| Blackville Town of (Sc0610003) | Blackville, SC | 1,934 | 57 | - |
| IL American-Waycinden | Godfrey, IL | 1,934 | 3 | - |
| Peaster Isd | Weatherford, TX | 1,933 | 125 | - |
| Bloomfield PWS | Bloomfield, MO | 1,933 | 18 | - |
| Wellsville, City Of | Wellsville, KS | 1,933 | 34 | - |
| Icmsa Pine Township | Indiana, PA | 1,932 | 202 | - |
| City of Rainier | Rainier, OR | 1,932 | 301 | - |
| Mdot - Galesburg Rest Area | Kalamazoo, MI | 1,932 | 6 | - |
| Tannehill Water System | Winnfield, LA | 1,932 | 258 | - |
| Aquarion-Salisbury | Shelton, CT | 1,932 | 23 | - |
| Abra Water Company | Paulden, AZ | 1,932 | 170 | - |
| North Pike Co Rural Water Assn | Kirby, AR | 1,932 | 42 | - |
| Chetek Waterworks | Chetek, WI | 1,931 | 623 | - |
| Toquerville Town Water System | Toquerville, UT | 1,931 | 58 | - |
| City of West Tawakoni | West Tawakoni, TX | 1,931 | 201 | - |
| Auburn Mun Water Works | Auburn, KY | 1,931 | 105 | - |
| Steeple Run Sbdv | Darien, IL | 1,931 | 10 | - |
| Glen Ellyn Heights Subdivision | Darien, IL | 1,931 | 15 | - |
| Marlinton Town Of | Marlinton, WV | 1,930 | 655 | - |
| Somers Water Utility | Somers, WI | 1,930 | 107 | Clean |
| City of Huxley | Shelbyville, TX | 1,930 | 689 | - |
| Wilber, City Of | Wilber, NE | 1,930 | 22 | - |
| Park South S/D | Cary, NC | 1,930 | 14 | - |
| Steeleville | Steeleville, IL | 1,930 | 372 | - |
| Lexington | Lexington, IL | 1,930 | 24 | - |
| Belle Rive | Belle Rive, IL | 1,930 | 36 | - |
| Bethel Water Dept | Bethel, VT | 1,929 | 88 | - |
| Memorial Hills Utility District | Houston, TX | 1,929 | 0 | - |
| Staff WSC Olden Area | Ranger, TX | 1,929 | 111 | - |
| Cypress Cove WSC | Spring Branch, TX | 1,929 | 59 | - |
| Minonk | Minonk, IL | 1,928 | 151 | - |
| Central Yazoo #3 Mechanicsbrg | Yazoo City, MS | 1,927 | 558 | - |
| Ctwc - Hebron Center Division | Clinton, CT | 1,927 | 2 | - |
| Harris County MUD 213-A | Houston, TX | 1,926 | 0 | - |
| Cooperstown Village | Cooperstown, NY | 1,926 | 13 | - |
| Millwood City Of | Spokane, WA | 1,925 | 18 | - |
| Peggs Water Company | Hulbert, OK | 1,925 | 41 | - |
| Mohawk Correctional Facility | Rome, NY | 1,925 | 55 | - |
| Palmer Lake | Tacoma, WA | 1,924 | 20 | - |
| Pittsford Florence Water Dept | Pittsford, VT | 1,923 | 480 | - |
| Stratford Municipal Water System | Stratford, TX | 1,923 | 30 | - |
| Swansea Town of (Sc3210006) | Swansea, SC | 1,923 | 70 | - |
| Dryden Water Authority | Dryden, VA | 1,922 | 29 | - |
| Crystal Falls | Crystal Falls, MI | 1,922 | 48 | - |
| Aquarion Water Company (Dover) | Millbury, MA | 1,922 | 43 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).