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 |
|---|---|---|---|---|
| Holden PWS | Holden, MO | 2,683 | 44 | - |
| Bloomfield Muni Water Dept | Bloomfield, IA | 2,682 | 793 | - |
| Olympic Mall | Tacoma, WA | 2,681 | 79 | - |
| Santa Rosa Water Supply | Santa Rosa, NM | 2,681 | 56 | - |
| Osceola Waterworks | Osceola, WI | 2,680 | 57 | - |
| Bath Municipal Water Works | Bath, PA | 2,680 | 43 | - |
| Geneva WD #2 CSA | Geneva, NY | 2,680 | 4 | Clean |
| Glacier Park International Airport | Kalispell, MT | 2,680 | 31 | - |
| Lena | Lena, IL | 2,680 | 73 | - |
| Carrollton | Carrollton, IL | 2,680 | 29 | Clean |
| Sandusky, City Of | Sandusky, MI | 2,679 | 48 | - |
| Ridgeland Town of (2710001) | Ridgeland, SC | 2,678 | 12 | - |
| Crawford County Water Company, Inc. | Marengo, IN | 2,678 | 34 | - |
| Old Settlers Water System | Jacksonville, NC | 2,677 | 14 | - |
| Harris County MUD 389 | Houston, TX | 2,676 | 115 | - |
| Utilities Inc- Whitehall/ Head of Island | Mandeville, LA | 2,676 | 33 | - |
| Shawnee Co RWD 3C | Topeka, KS | 2,675 | 148 | - |
| Hamilton Water Department | Hamilton, IN | 2,675 | 15 | - |
| Almont, Village Of | Almont, MI | 2,674 | 31 | - |
| Letcher County Water District | Mayking, KY | 2,673 | 254 | - |
| Hamilton College WD | Clinton, NY | 2,672 | 38 | - |
| North Lee W/a #1-Barnes Crosng | Saltillo, MS | 2,672 | 1,450 | - |
| Finch Newton Water, Inc. | Chrisney, IN | 2,672 | 87 | Clean |
| Richmond, Town Of | Wyoming, RI | 2,671 | 145 | - |
| Violet WSC | Robstown, TX | 2,670 | 91 | - |
| Eastern Cass WSC | Bivins, TX | 2,670 | 397 | - |
| Clear Water Corporation | Sarahsville, OH | 2,670 | 130 | - |
| Lake Suzy Subdivision | Arcadia, FL | 2,670 | 21 | Detected |
| Town of Hickory | Hickory, MS | 2,669 | 576 | - |
| Strathmore Public Util Dist | Strathmore, CA | 2,669 | 189 | - |
| Community Utilites Westgate | Downingtown, PA | 2,668 | 130 | - |
| Catoosa | Catoosa, OK | 2,668 | 136 | - |
| Circus Circus Casino | Las Vegas, NV | 2,668 | 3 | - |
| Thunderbolt | Thunderbolt, GA | 2,668 | 78 | - |
| Mondovi Waterworks | Mondovi, WI | 2,667 | 30 | - |
| Cold Spring Village | Cold Spring, NY | 2,666 | 70 | - |
| Alden Village | Alden, NY | 2,666 | 177 | - |
| Improve Water Association | Sandy Hook, MS | 2,666 | 288 | - |
| Hoxie Water Department | Hoxie, AR | 2,666 | 33 | - |
| T-L Rural Water District | Glasford, IL | 2,665 | 19 | - |
| Savannah-Savannah Quarters | Port Wentworth, GA | 2,665 | 23 | - |
| Eldora Water Supply | Eldora, IA | 2,664 | 20 | - |
| Keownville Rural Water Assn | Baldwyn, MS | 2,663 | 1,075 | - |
| City of Quanah | Quanah, TX | 2,662 | 192 | - |
| City of Mount Vernon | Mount Vernon, TX | 2,662 | 39 | - |
| Jackson Co Water Corp | Blair, OK | 2,662 | 205 | - |
| Weed, City Of | Weed, CA | 2,662 | 21 | - |
| Harris County MUD 162 | Houston, TX | 2,661 | 8 | - |
| PA American Phoenixville | Spring City, PA | 2,661 | 7 | - |
| Williamson Utility Board | Williamson, WV | 2,660 | 483 | - |