Revised Total Coliform Rule (RTCR) violations in Missouri
858 active public water systems in Missouri had a Revised Total Coliform Rule (RTCR) violation in the past three years, 228 of them in the latest quarter of EPA's data. What Revised Total Coliform Rule (RTCR) is and why it matters.
Systems with a Revised Total Coliform Rule (RTCR) violation
Latest quarter first, then largest first| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Caruthersville PWS Caruthersville · Pemiscot County |
5,518 | 4 | 1 | |
|
Jasper County Pwsd 1 Carl Junction · Jasper County |
5,500 | 2 | 0 | |
|
Savannah PWS Savannah · Andrew County |
5,249 | 2 | 1 | |
|
ST Robert PWS St. Robert · Pulaski County |
5,192 | 5 | 2 | |
|
Desloge PWS St. Francois County |
5,034 | 3 | 0 | |
|
Ste Genevieve PWS Ste. Genevieve · Ste. Genevieve County |
4,999 | 3 | 0 | |
|
Clinton CO Pwsd 4 Sys 1 Lathrop · Clinton County |
4,968 | 5 | 2 | |
|
Marion County Pwsd 1 Philadelphia · Marion County |
4,900 | 1 | 0 | |
|
Harrison County Pwsd 2 Bethany · Harrison County |
3,740 | 4 | 0 | |
|
Malden PWS Malden · Dunklin County |
3,700 | 3 | 2 | |
|
Clay County Pwsd 2 Liberty · Clay County |
3,485 | 2 | 1 | |
|
Louisiana PWS Louisiana · Pike County |
3,244 | 7 | 0 | |
|
Mercer County Pwsd 1 Mercer · Harrison County |
3,200 | 2 | 0 | |
|
Portageville PWS Portageville · New Madrid County |
3,200 | 3 | 0 | |
|
Scott County Pwsd 4 Scott County |
3,150 | 2 | 0 | |
|
Osage Beach Premium Outlets Camden County |
3,100 | 2 | 0 | |
|
Mississippi County Pwsd 1 Mississippi County |
3,000 | 6 | 3 | |
|
Hayti PWS Hayti · Pemiscot County |
2,789 | 3 | 0 | |
|
Forsyth PWS Forsyth · Taney County |
2,730 | 3 | 0 | |
|
Cass County Pwsd 6 Lees Summit, Pleasant Hill · Cass County |
2,575 | 2 | 0 | |
|
Versailles PWS Versailles · Morgan County |
2,539 | 2 | 0 | |
|
MC Donald County Pwsd 1 McDonald County |
2,481 | 1 | 0 | |
|
Cooper County Consolidated Pwsd # 1 Boonville · Cooper County |
2,451 | 3 | 0 | |
|
Warsaw PWS Warsaw · Benton County |
2,402 | 2 | 0 | |
|
Plattsburg PWS Plattsburg · Clinton County |
2,354 | 2 | 1 | |
|
Ripley County Pwsd 1 East Ripley County |
2,265 | 2 | 1 | |
|
Livingston County Pwsd 2 Chillicothe · Livingston County |
2,215 | 2 | 0 | |
|
Daviess County Pwsd 1 Pattonsburg · Daviess County |
2,165 | 2 | 1 | |
|
Howard County Cons Pwsd 1 Franklin · Howard County |
2,100 | 2 | 0 | |
|
Camden County Pwsd #4 Shawnee Bend Camden County |
2,065 | 5 | 0 | |
|
New Haven PWS New Haven · Franklin County |
2,000 | 4 | 2 | |
|
Campbell PWS Campbell · Dunklin County |
1,992 | 2 | 1 | |
|
Carterville PWS Carterville · Jasper County |
1,982 | 2 | 1 | |
|
Sparta PWS Sparta · Christian County |
1,946 | 3 | 0 | |
|
Weston PWS Weston · Platte County |
1,850 | 3 | 0 | |
|
Slater PWS Slater · Saline County |
1,835 | 2 | 0 | |
|
Gallatin PWS Gallatin · Daviess County |
1,821 | 1 | 0 | |
|
H Roe Bartle Scout Reservation St. Clair County |
1,800 | 2 | 0 | |
|
Milan PWS Milan · Sullivan County |
1,759 | 2 | 0 | |
|
Platte County Pwsd 7 Weston · Platte County |
1,750 | 2 | 0 | |
|
Cape Girardeau County Pwsd 4 Gordonville · Cape Girardeau County |
1,743 | 2 | 0 | |
|
Unionville PWS Unionville · Putnam County |
1,735 | 1 | 0 | |
|
Hallsville PWS Hallsville · Boone County |
1,732 | 1 | 0 | |
|
Albany PWS Albany · Gentry County |
1,710 | 2 | 0 | |
|
Cedar County Pwsd 1 Eldorado Spring · Cedar County |
1,650 | 4 | 1 | |
|
Orchard Farm Schools St. Charles County |
1,600 | 1 | 0 | |
|
MO American Garden City Garden City · Cass County |
1,590 | 1 | 0 | |
|
Stoddard County Pwsd 4 Dexter · Stoddard County |
1,530 | 1 | 0 | |
|
Ash Grove PWS Ash Grove · Greene County |
1,512 | 2 | 1 | |
|
Linn PWS Linn · Osage County |
1,500 | 1 | 0 |
About this data
A system is counted once if any of its violations in the past three years involved Revised Total Coliform Rule (RTCR), including monitoring and reporting lapses. Rules violated and status in the table are for the whole system, not Revised Total Coliform Rule (RTCR) alone.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Missouri records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet.