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 |
|---|---|---|---|---|
| Patoka Water Company, Inc. | Birdseye, IN | 1,038 | 43 | - |
| Hurtsboro Water & Sewer Board | Hurtsboro, AL | 1,038 | 105 | - |
| City of Knox City | Knox City, TX | 1,037 | 80 | - |
| Rogers Co RWD # 9 | Claremore, OK | 1,037 | 26 | - |
| Erie, City Of | Erie, KS | 1,037 | 184 | - |
| Illiopolis | Illiopolis, IL | 1,037 | 68 | - |
| Marine | Marine, IL | 1,037 | 18 | - |
| Woodland Camp Property Owners | Little Sioux, IA | 1,037 | 71 | - |
| Azalea Point | Savannah, GA | 1,037 | 5 | - |
| Sam Hill Estates | Frederick, MD | 1,036 | 2 | - |
| Lincoln Correctional Center | Lincoln, IL | 1,036 | 41 | - |
| George City Of | George, WA | 1,035 | 74 | - |
| Bayview Beach Water District | Freeland, WA | 1,035 | 34 | - |
| Cinema One Market Square East | VI | 1,035 | 0 | - |
| Brunswick Ida - North | Lawrenceville, VA | 1,035 | 91 | - |
| Kettering Health Soin Medical Center | Dayton, OH | 1,035 | 8 | - |
| Billings PWS | Billings, MO | 1,035 | 73 | - |
| Wolcottville Water Works | Hamilton, IN | 1,035 | 50 | - |
| Winfield Muni Water Dept | Winfield, IA | 1,035 | 20 | - |
| Dunlap Water Supply | Dunlap, IA | 1,035 | 72 | - |
| Marvell Waterworks | Marvell, AR | 1,035 | 85 | Clean |
| River Falls, Town Of | River Falls, AL | 1,035 | 181 | - |
| Belview | Christiansburg, VA | 1,034 | 4 | - |
| Lamar Town of (Sc1610004) | Lamar, SC | 1,034 | 89 | Clean |
| Valley View Water District | Newberg, OR | 1,034 | 19 | - |
| Southern High School | Greensboro, NC | 1,034 | 24 | - |
| Dryden, Village Of | Dryden, MI | 1,034 | 43 | - |
| Evonik Corporation | Lafayette, IN | 1,034 | 23 | - |
| Plummer City Of | Plummer, ID | 1,034 | 360 | - |
| Janesville Water Supply | Janesville, IA | 1,034 | 67 | - |
| Glenwood | Glenwood, GA | 1,034 | 59 | - |
| Black Rock Waterworks | Black Rock, AR | 1,034 | 13 | - |
| Mandaree Water Plant | New Town, 08 | 1,034 | 72 | - |
| Mahoning Township | Sharon, PA | 1,032 | 0 | - |
| Washita Co RWD #2 | Colony, OK | 1,032 | 25 | - |
| Kingston Village PWS | Kingston, OH | 1,032 | 140 | - |
| Bobs Valley Service Inc | East Helena, MT | 1,032 | 78 | - |
| Town of Mount Olive | Mt Olive, MS | 1,032 | 392 | - |
| Clay County PWSD 4 | Liberty, MO | 1,032 | 15 | - |
| Bellwood Water System | Provencal, LA | 1,032 | 535 | - |
| Washburn | Washburn, IL | 1,032 | 215 | - |
| Autumn Ridge Estates MHP | Newton, IA | 1,032 | 58 | - |
| Balsam Lake Waterworks | Balsam Lake, WI | 1,031 | 42 | - |
| Rosario | Tacoma, WA | 1,031 | 54 | - |
| Beach City Village PWS | Beach City, OH | 1,031 | 22 | - |
| Royal Farms #185 | Baltimore, MD | 1,031 | 0 | - |
| Speedway 8061 | Enon, IN | 1,031 | 14 | - |
| Bolton Community Water System | Richmond, VT | 1,030 | 438 | - |
| Eastville, Town Of | Easvtille, VA | 1,030 | 76 | - |
| Utah Raptor State Park | Huntington, UT | 1,030 | 0 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).