Water quality in Marthasville, Missouri
Marthasville is in Warren County. 31 active public water systems serve the county; 17 had an EPA violation in the past three years.
Most likely your provider
Your location is within the outer bounds of this system's EPA service area.
Other community water systems in Warren County
17 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| ST Charles County Pwsd 2 Dutzow |
400 | 0 | 2.3 mi | |
| Lake Sherwood Subd |
1,100 | 4 | 4.8 mi | |
| ST Charles County Pwsd 2 Warren |
1,192 | 0 | 8.4 mi | |
| Innsbrook |
810 | 2 | 9.7 mi | |
| Glenbrook Estates |
100 | 2 | 12.6 mi | |
| Warrenton PWS Warrenton |
8,208 | 0 | 13.2 mi | |
| Country Cove |
52 | 3 | 13.5 mi | |
| Cedar Grove Village Subd |
60 | 4 | 13.6 mi | |
| Truesdale PWS Truesdale |
853 | 0 | 13.6 mi | |
| Pleasant Oak MHP |
150 | 3 | 14.1 mi | |
| ST Charles CO Pwsd #2 Wright City Wright City |
3,550 | 1 | 14.2 mi | |
| ST Charles County Pwsd 2 North Oak DR |
660 | 1 | 14.2 mi | |
| Great Oak Subdivision Wright City |
30 | 1 | 14.3 mi | |
| MO American Warren County Water & Sewer |
1,200 | 0 | 17.2 mi | |
| Montgomery CO Pwsd 1 |
3,850 | 4 | 23.5 mi | |
| Maple Ridge MHP |
140 | 1 | — | |
| Valley Lake Estates |
40 | 3 | — |
Non-community systems in Warren County (13: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Treloar Bar and Grill Marthasville |
75 | 0 | 0 | |
|
Garage Bar Marthasville |
25 | 0 | 0 | |
|
Warco Mfg CO |
32 | 0 | 0 | |
|
Lake Creek Farm Winery Marthasville |
25 | 0 | 0 | |
|
Temco |
50 | 1 | 0 | |
|
Washington Airport |
25 | 0 | 0 | |
|
ST Ignatius Loyola School |
60 | 1 | 0 | |
|
Cedar Lake Cellars |
50 | 3 | 2 | |
|
Dollar General #24942 Innsbrook |
25 | 0 | 0 | |
|
American Foods Group |
1,100 | 1 | 1 | |
|
Big Joels Safari |
500 | 0 | 0 | |
|
Dogwood Lake Campground |
200 | 0 | 0 | |
|
Blumenhof Winery |
30 | 0 | 0 |
About this data
Water systems are matched to Warren County, nearest to Marthasville first. Your exact provider depends on your address and connection; the largest community water system in a county is usually the city or town utility. Distances are measured to the centre of the service area EPA publishes for the system or, for systems without one, to the centre of the first town EPA lists the system as serving, from Census Bureau place files.
Town locations and ZIP code areas come from U.S. Census Bureau 2020 files.
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.