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 |
|---|---|---|---|---|
| Ipswich | Ipswich, SD | 928 | 26 | - |
| Waynesburg Village PWS | Waynesburg, OH | 928 | 98 | - |
| Houston K-12 School | Houston, OH | 928 | 8 | - |
| Williamsburg | Nashua, NH | 928 | 46 | - |
| Pierceton Water Works | Pierceton, IN | 928 | 88 | - |
| Inwood Water Supply | Inwood, IA | 928 | 51 | - |
| Walker Church Water System | Eatonton, GA | 928 | 119 | - |
| Independence Academy | Coral Springs, FL | 928 | 0 | - |
| Psmcsd - Normco | Royal Oaks, CA | 928 | 25 | - |
| Maricopa Consolidated Dwid | Maricopa, AZ | 928 | 141 | - |
| Dekalb Utility District #4 | Smithville, TN | 927 | 36 | - |
| Westport WD | Westport, NY | 927 | 52 | - |
| Alcalde Mdwca | Alcalde, NM | 927 | 215 | - |
| Town of Rienzi | Rienzi, MS | 927 | 555 | - |
| West Warren Water District | West Warren, MA | 927 | 78 | - |
| Mangham Water System | Mangham, LA | 927 | 30 | - |
| Fordsville Water District | Fordsville, KY | 927 | 110 | - |
| Eldon Water Supply | Batavia, IA | 927 | 106 | - |
| City of Cross Plains | Cross Plains, TX | 926 | 65 | - |
| Yocona Water Association, Inc. | Oxford, MS | 926 | 326 | - |
| Diamond PWS | Diamond, MO | 926 | 25 | - |
| Cameron Parish Ww District 2 | Hackberry, LA | 926 | 84 | - |
| Larchwood Water Supply | Larchwood, IA | 926 | 72 | - |
| Speedy's Truck Stop | Idaho Falls, 09 | 926 | 172 | - |
| Sunwood Lakes Homeowners Assoc Inc | Port Orchard, WA | 925 | 49 | - |
| Goshen Town Water System | Goshen, UT | 925 | 343 | - |
| Cosby Campground | Gatlinburg, TN | 925 | 3 | - |
| Valley Springs | Valley Springs, SD | 925 | 25 | - |
| Dcws Edisto Tribal Council (1850010) | Summerville, SC | 925 | 4 | - |
| Foxburg Area Water & Sewer Aut | Foxburg, PA | 925 | 480 | - |
| Oakview Water Corp | Madill, OK | 925 | 475 | - |
| Hamersville Village PWS | Hamersville, OH | 925 | 9 | - |
| Alfred-Almond Central School | Almond, NY | 925 | 17 | - |
| Great Bay Camping/Store/Deli | Newfields, NH | 925 | 20 | - |
| Saunders Co Sid 8 | Fremont, NE | 925 | 111 | - |
| Gentry County PWSD 2 | Stanberry, MO | 925 | 28 | - |
| Westphalia, Village Of | Westphalia, MI | 925 | 18 | - |
| West Liberty Foods | West Liberty, IA | 925 | 104 | - |
| Clarkedale-Jericho Water Assoc | Proctor, AR | 925 | 33 | - |
| BIA Keams Canyon | Keams Canyon, 09 | 925 | 297 | - |
| Plainfield Waterworks | Plainfield, WI | 924 | 43 | - |
| Horseshoe Acres | Andover, VT | 924 | 23 | - |
| Dialville Oakland WSC | Rusk, TX | 924 | 22 | - |
| Fox Care Center | Oneonta, NY | 924 | 76 | - |
| Town Pump Dillon 2 | Butte, MT | 924 | 74 | - |
| Pugh's Mill Water Association | Louisville, MS | 924 | 270 | - |
| Town of Duck Hill | Duck Hill, MS | 924 | 855 | - |
| Pleasantville Water Company | Dugger, IN | 924 | 27 | - |
| Teton Springs Water and Sewer Company | Driggs, ID | 924 | 21 | - |
| Jacoby Creek Cwd | Arcata, CA | 924 | 4 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).