Public Water Systems
2,823 active water systems in MO.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| ST CHARLES CO PWSD #2 WRIGHT CITY | O FALLON, MO | 3,550 | 83 | Detected |
| BONNE TERRE PWS | BONNE TERRE, MO | 3,537 | 521 | Clean |
| CARROLLTON PWS | CARROLLTON, MO | 3,514 | 8 | Detected |
| SUGAR CREEK PWS | SUGAR CREEK, MO | 3,500 | 10 | — |
| BONNE TERRE PRISON | BONNE TERRE, MO | 3,500 | 32 | Clean |
| FARMINGTON CORRECTIONAL CENTER | FARMINGTON, MO | 3,500 | 390 | Clean |
| FRANKLIN COUNTY PWSD 1 | WASHINGTON, MO | 3,500 | 51 | Clean |
| CLAY COUNTY PWSD 2 | PLEASANT VALLEY, MO | 3,485 | 19 | — |
| SCHUYLER COUNTY CONSOLIDATED PWSD 1 | QUEEN CITY, MO | 3,482 | 18 | Detected |
| CLAY COUNTY PWSD 3 | HOLT, MO | 3,447 | 40 | Detected |
| JASPER COUNTY PWSD 2 | WEBB CITY, MO | 3,383 | 37 | — |
| SCOTLAND COUNTY CONS PWSD 1 | MEMPHIS, MO | 3,360 | 4 | Detected |
| TEXAS COUNTY PWSD 1 | ROBY, MO | 3,335 | 52 | — |
| SHELBY COUNTY PWSD 1 | SHELBYVILLE, MO | 3,300 | 5 | — |
| BETHANY PWS | BETHANY, MO | 3,292 | 66 | — |
| CUBA PWS | CUBA, MO | 3,292 | 61 | Clean |
| CASSVILLE PWS | CASSVILLE, MO | 3,290 | 6 | — |
| NEW MADRID PWS | NEW MADRID, MO | 3,250 | 21 | — |
| LOUISIANA PWS | LOUISIANA, MO | 3,244 | 213 | Clean |
| CANTON PWS | CANTON, MO | 3,200 | 41 | — |
| MERCER COUNTY PWSD 1 | MERCER, MO | 3,200 | 44 | Detected |
| PORTAGEVILLE PWS | PORTAGEVILLE, MO | 3,200 | 111 | — |
| TERRE DU LAC | DES PERES, MO | 3,200 | 456 | — |
| SIX FLAGS ST LOUIS | EUREKA, MO | 3,200 | 18 | — |
| SCOTT COUNTY PWSD 4 | MORLEY, MO | 3,150 | 6 | — |
| VANDALIA PWS | VANDALIA, MO | 3,140 | 166 | — |
| OSAGE BEACH PREMIUM OUTLETS | OSAGE BEACH, MO | 3,100 | 80 | — |
| BUFFALO PWS | BUFFALO, MO | 3,084 | 56 | — |
| BUCKNER PWS | BUCKNER, MO | 3,076 | 21 | — |
| CASS COUNTY PWSD 10 | PECULIAR, MO | 3,068 | 19 | — |
| CARROLL COUNTY PWSD 1 | CARROLLTON, MO | 3,063 | 32 | — |
| CHAFFEE PWS | CHAFFEE, MO | 3,054 | 31 | — |
| SALINE COUNTY PWSD 3 | MARSHALL, MO | 3,000 | 81 | — |
| MISSISSIPPI COUNTY PWSD 1 | ANNISTON, MO | 3,000 | 24 | — |
| STODDARD COUNTY PWSD 1 | DEXTER, MO | 3,000 | 16 | Detected |
| AVA PWS | AVA, MO | 3,000 | 58 | — |
| HILLSBORO PWS | HILLSBORO, MO | 3,000 | 75 | — |
| JEFFERSON COUNTY PWSD 12 | FESTUS, MO | 3,000 | 7 | — |
| PUTNAM COUNTY PWSD 1 | UNIONVILLE, MO | 2,997 | 26 | — |
| HENRY COUNTY PWSD 3 | CLINTON, MO | 2,993 | 25 | — |
| EAST PRAIRIE PWS | EAST PRAIRIE, MO | 2,964 | 39 | — |
| LATHROP PWS | LATHROP, MO | 2,945 | 18 | — |
| WINDSOR PWS | WINDSOR, MO | 2,900 | 91 | — |
| DUNKLIN COUNTY PWSD 2 | SENATH, MO | 2,900 | 43 | — |
| NIXA PWS RDE | NIXA, MO | 2,900 | 83 | — |
| CASS COUNTY PWSD 5 | PLEASANT HILL, MO | 2,875 | 44 | — |
| KNOB NOSTER PWS | KNOB NOSTER, MO | 2,863 | 37 | — |
| TIPTON PWS | TIPTON, MO | 2,861 | 48 | Clean |
| MONTGOMERY CITY PWS | MONTGOMERY CITY, MO | 2,811 | 40 | — |
| FAYETTE PWS | FAYETTE, MO | 2,800 | 124 | — |