Public Water Systems
2,823 active water systems in MO.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| DESLOGE PWS | DESLOGE, MO | 5,034 | 8 | Clean |
| STE GENEVIEVE PWS | STE GENEVIEVE, MO | 4,999 | 48 | Detected |
| CLINTON CO PWSD 4 SYS 1 | LATHROP, MO | 4,968 | 33 | Clean |
| BOONE COUNTY PWSD 10 | CENTRALIA, MO | 4,963 | 28 | Detected |
| CLAY COUNTY PWSD 6 | KEARNEY, MO | 4,912 | 11 | Detected |
| MARION COUNTY PWSD 1 | PHILADELPHIA, MO | 4,900 | 11 | Detected |
| ELDON PWS | ELDON, MO | 4,895 | 35 | Clean |
| HIGGINSVILLE PWS | HIGGINSVILLE, MO | 4,800 | 42 | Detected |
| MOUNTAIN GROVE PWS | MOUNTAIN GROVE, MO | 4,789 | 95 | Clean |
| SALEM PWS | SALEM, MO | 4,736 | 31 | Clean |
| CRYSTAL CITY PWS | CRYSTAL CITY, MO | 4,733 | 31 | Detected |
| JEFFERSON CO PWSD 8 | CEDAR HILL, MO | 4,733 | 4 | Clean |
| LEXINGTON PWS | LEXINGTON, MO | 4,729 | 110 | Detected |
| JOHNSON COUNTY PWSD 3 | WARRENSBURG, MO | 4,700 | 15 | Detected |
| ST CLAIR PWS | ST CLAIR, MO | 4,700 | 84 | Detected |
| PLATTE CITY PWS | PLATTE CITY, MO | 4,691 | 21 | Detected |
| SCOTT CITY PWS | SCOTT CITY, MO | 4,653 | 26 | Detected |
| CASS COUNTY PWSD 2 | BELTON, MO | 4,650 | 22 | Detected |
| MOUNT VERNON PWS | MOUNT VERNON, MO | 4,575 | 24 | Clean |
| NORTH KANSAS CITY PWS | NORTH KANSAS CITY, MO | 4,500 | 7 | Detected |
| LAMAR PWS | LAMAR, MO | 4,500 | 182 | Detected |
| MOSCOW MILLS PWS | MOSCOW MILLS, MO | 4,500 | 37 | — |
| FREDERICKTOWN PWS | FREDRICKTOWN, MO | 4,429 | 130 | Clean |
| HOLLISTER PWS | HOLLISTER, MO | 4,426 | 33 | Clean |
| CALIFORNIA PWS | CALIFORNIA, MO | 4,423 | 36 | Clean |
| SULLIVAN COUNTY PWSD 1 | MILAN, MO | 4,412 | 2 | Clean |
| DUNKLIN COUNTY PWSD 1 | CAMPBELL, MO | 4,307 | 57 | Detected |
| HERCULANEUM PWS | HERCULANEUM, MO | 4,227 | 13 | Detected |
| BUTLER PWS | BUTLER, MO | 4,219 | 52 | Detected |
| BOWLING GREEN PWS | BOWLING GREEN, MO | 4,195 | 38 | Detected |
| CASS COUNTY PWSD 7 | FREEMAN, MO | 4,143 | 5 | Detected |
| BROOKFIELD PWS | BROOKFIELD, MO | 4,111 | 85 | Detected |
| JACKSON COUNTY PWSD 16 | SIBLEY, MO | 4,075 | 35 | Detected |
| CENTRALIA PWS | CENTRALIA, MO | 4,027 | 17 | Detected |
| AUDRAIN COUNTY CONSOLIDATED PWSD 2 | MEXICO, MO | 4,016 | 3 | — |
| PULASKI COUNTY PWSD 1 | LAQUEY, MO | 4,000 | 46 | Clean |
| CAMDENTON PWS | CAMDENTON, MO | 3,960 | 51 | Detected |
| KNOX COUNTY PUBLIC WATER & SEWER DIST 1 | KNOX CITY, MO | 3,947 | 41 | Detected |
| ST JAMES PWS | ST JAMES, MO | 3,935 | 43 | Detected |
| GRUNDY COUNTY PWSD 1 | TRENTON, MO | 3,900 | 33 | Clean |
| MONTGOMERY CO PWSD 1 | WARRENTON, MO | 3,850 | 82 | Detected |
| HARRISON COUNTY PWSD 2 | BETHANY, MO | 3,740 | 56 | Detected |
| JOHNSON COUNTY PWSD 1 | WARRENSBURG, MO | 3,730 | 7 | Detected |
| STE GENEVIEVE COUNTY PWSD 1 SC | STE GENEVIEVE, MO | 3,718 | 30 | Detected |
| MALDEN PWS | MALDEN, MO | 3,706 | 69 | Detected |
| ASHLAND PWS | ASHLAND, MO | 3,700 | 8 | Detected |
| CLINTON COUNTY PWSD 3 | CAMERON, MO | 3,615 | 31 | Detected |
| PALMYRA PWS | PALMYRA, MO | 3,595 | 7 | Clean |
| EL DORADO SPRINGS PWS | EL DORADO SPRINGS, MO | 3,593 | 69 | Detected |
| ANDREW COUNTY PWSD 2 | COSBY, MO | 3,580 | 6 | Detected |