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 |
|---|---|---|---|---|
| Travis County MUD 11 | Austin, TX | 1,437 | 7 | - |
| Rivercrest Water System | Austin, TX | 1,437 | 53 | - |
| City of Maud | Maud, TX | 1,437 | 57 | - |
| Suburban Water Systems-Covina Knolls | Covina, CA | 1,437 | 4 | - |
| Fort Spokane Campground | Coulee dam, WA | 1,436 | 7 | - |
| Hartington, City Of | Hartington, NE | 1,436 | 28 | - |
| Omega | Omega, GA | 1,436 | 8 | - |
| Milford City Water System | Milford, UT | 1,435 | 61 | - |
| Tpwd Ray Roberts Lake State Park Johnson | Austin, TX | 1,435 | 32 | - |
| Oilton | Oilton, OK | 1,435 | 2,466 | - |
| Steelville PWS | Steelville, MO | 1,435 | 60 | - |
| Thorndike Fire and Water District | Thorndike, MA | 1,435 | 10 | - |
| Crystal Lawns Addition Improvement Assoc | Joliet, IL | 1,435 | 227 | Detected |
| Emerson | Emerson, GA | 1,435 | 30 | - |
| Savannah Water Association #1 | Mathiston, MS | 1,434 | 575 | - |
| South Oakdale Water System | Oakdale, LA | 1,434 | 20 | - |
| Diamond Head S/D | Cary, NC | 1,433 | 6 | Detected |
| Cerro Gordo | Cerro Gordo, IL | 1,433 | 4 | - |
| Winslow Waterworks | Winslow, AR | 1,433 | 35 | - |
| Mishicot Waterworks | Mishicot, WI | 1,432 | 9 | - |
| Caraway Waterworks | Caraway, AR | 1,432 | 11 | - |
| Tdcj Luther Units | Huntsville, TX | 1,431 | 60 | - |
| South 43 Water Association, Inc. | Roachdale, IN | 1,431 | 36 | - |
| Walter Water Authority | Hanceville, AL | 1,431 | 7 | - |
| Boykins-Branchville System | Courtland, VA | 1,430 | 47 | - |
| Food Processors Water Cooperative, Inc | Timberville, VA | 1,430 | 38 | - |
| Calabazas Arriba | Yabucoa, PR | 1,430 | 292 | - |
| Miami East Schools PWS | Casstown, OH | 1,430 | 161 | - |
| Leoti, City Of | Leoti, KS | 1,430 | 101 | - |
| Osage Co RWD 7 | Osage City, KS | 1,430 | 52 | - |
| South Fulton Water District | Astoria, IL | 1,430 | 18 | - |
| Bodcaw Rural Water System | Rosston, AR | 1,430 | 228 | - |
| Bethesda Water Association | Batesville, AR | 1,430 | 8 | - |
| Hideout Town Water System | Hideout, UT | 1,429 | 12 | - |
| Bondsville Fire and Water District | Bondsville, MA | 1,429 | 59 | - |
| Sumner Co RWD 5 | Conway Springs, KS | 1,429 | 239 | - |
| Del Norte Town Of | Del Norte, CO | 1,429 | 332 | - |
| Ventura Cwwd No. 19 - Somis | Moorpark, CA | 1,429 | 2 | - |
| Grand Coulee Water Dept City Of | Grand Coulee, WA | 1,428 | 11 | - |
| Caddo Village | Spring, TX | 1,428 | 35 | - |
| Harris County MUD 275 | Houston, TX | 1,428 | 2 | - |
| Com. Rancho Grande | Naguabo, PR | 1,428 | 666 | - |
| Afton PWA | Afton, OK | 1,428 | 409 | - |
| Little Walnut Water Treatment Facility | Lancaster, OH | 1,428 | 3 | - |
| Chauncey | Chauncey, OH | 1,428 | 292 | - |
| Devils Kitchen Water District | Carbondale, IL | 1,428 | 52 | - |
| Scwa, Mohegan Division | Gales Ferry, CT | 1,428 | 17 | - |
| Durand | Durand, IL | 1,427 | 83 | - |
| Scituate High School & Middle School | Scituate, RI | 1,426 | 89 | - |
| Manheim Auto Auction | Manheim, PA | 1,426 | 1,125 | Detected |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).