Public Water Systems
2,823 active public water systems in MO, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| Washington PWS | Washington, MO | 14,068 | 90 | Clean |
| Lincoln County PWSD 1 | Winfield, MO | 14,000 | 117 | Clean |
| Moberly PWS | Moberly, MO | 13,783 | 141 | Detected |
| Cole County PWSD 2 | Jefferson City, MO | 13,107 | 25 | Clean |
| Callaway 2 Water District | Fulton, MO | 13,080 | 42 | Clean |
| MO American Mexico | Cottleville, MO | 13,000 | 4 | Clean |
| Marshall PWS | Marshall, MO | 12,934 | 57 | Clean |
| Macon Co PWSD 1 | Macon, MO | 12,865 | 47 | Detected |
| West Plains PWS | West Plains, MO | 12,864 | 45 | Detected |
| Branson PWS | Branson, MO | 12,640 | 12 | Clean |
| Fulton PWS | Fulton, MO | 12,600 | 24 | Clean |
| Troy PWS | Troy, MO | 12,500 | 60 | Clean |
| Johnson County PWSD 2 | Holden, MO | 12,490 | 27 | Clean |
| Webb City PWS | Webb City, MO | 12,488 | 48 | Clean |
| Union PWS | Union, MO | 12,348 | 112 | Clean |
| Neosho PWS | Neosho, MO | 12,157 | 54 | Clean |
| Festus PWS | Festus, MO | 12,054 | 12 | Detected |
| Cameron PWS | Cameron, MO | 11,963 | 46 | Clean |
| Kearney PWS | Kearney, MO | 11,500 | 11 | Detected |
| Butler County PWSD 1 | Poplar Bluff, MO | 11,500 | 13 | Clean |
| Henry County Water Company | Clinton, MO | 11,373 | 37 | Detected |
| Excelsior Springs PWS | Excelsior Springs, MO | 11,084 | 27 | Clean |
| Liberty Utilities Bolivar | Aurora, MO | 11,000 | 84 | Clean |
| Smithville PWS | Smithville, MO | 10,885 | 154 | Detected |
| Thomas Hill PWSD 1 | Moberly, MO | 10,880 | 17 | Detected |
| Maryville PWS | Maryville, MO | 10,775 | 123 | Detected |
| Kennett PWS | Kennett, MO | 10,500 | 190 | Detected |
| Chillicothe Municipal Utilities PWS | Chillicothe, MO | 10,187 | 2 | Clean |
| Whiteman Air Base | Whiteman Afb, MO | 10,106 | 25 | Clean |
| Harrisonville PWS | Harrisonville, MO | 10,019 | 86 | Clean |
| Jefferson County PWSD 10 | Imperial, MO | 10,000 | 8 | Clean |
| Callaway County PWSD 1 | Holts Summit, MO | 9,840 | 6 | Clean |
| Vernon County Cons PWSD 1 | Nevada, MO | 9,615 | 72 | Clean |
| Platte Co PWSD 4 | Platte City, MO | 9,552 | 47 | Detected |
| Barton Dade Cedar Jasp Countycons PWSD 1 | Lamar, MO | 9,523 | 17 | Clean |
| Ray County Cons PWSD 2 | Richmond, MO | 9,360 | 5 | Clean |
| Greene County PWSD 1 | Battlefield, MO | 9,168 | 94 | Clean |
| Monett PWS | Monett, MO | 9,027 | 25 | Detected |
| Jackson County PWSD 13 | Lake Lotawana, MO | 9,002 | 16 | Clean |
| Jackson County PWSD 15 | Lees Summit, MO | 8,772 | 14 | Clean |
| MO American Tri State | Joplin, MO | 8,680 | 21 | Clean |
| Park Hills PWS | Park Hills, MO | 8,587 | 121 | Clean |
| Perryville PWS | Perryville, MO | 8,555 | 74 | Clean |
| Laclede County PWSD 1 | Lebanon, MO | 8,550 | 58 | Clean |
| Cape Perry County PWSD 1 South | Jackson, MO | 8,545 | 82 | Clean |
| Liberty Utilities Aurora Verona | Aurora, MO | 8,529 | 15 | Clean |
| Silver Dollar City Marvel Cave | Branson, MO | 8,501 | 196 | Clean |
| Willard PWS | Willard, MO | 8,400 | 72 | Clean |
| Oak Grove PWS | Oak Grove, MO | 8,289 | 41 | Clean |
| Pleasant Hill PWS | Pleasant Hill, MO | 8,262 | 71 | Detected |