St. Louis County, Missouri — public water systems
23 active public water systems serve St. Louis County, reporting 1.1M people served.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
23
Population served
1.1M
Community systems
4
Groundwater share
91.3%
Water systems in St. Louis County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Mo American St Louis St Charles Counties | St. Louis + 1 more | 1,111,000 | Community | Surface water |
| 2 | Kirkwood Pws | St. Louis | 28,000 | Community | Purchased surface water |
| 3 | Six Flags St Louis | St. Louis | 3,200 | Non-transient non-community | Groundwater |
| 4 | Mo Eastern Correctional Center | St. Louis | 1,100 | Community | Groundwater |
| 5 | Rockwoods Reservation | St. Louis | 550 | Transient non-community | Groundwater |
| 6 | Babler State Park | St. Louis | 500 | Transient non-community | Groundwater |
| 7 | Mo American Pevely Farms | St. Louis | 343 | Community | Groundwater |
| 8 | Hidden Valley Golf and Ski | St. Louis | 100 | Transient non-community | Groundwater |
| 9 | Greensfelder County Park | St. Louis | 100 | Transient non-community | Groundwater |
| 10 | Crescent Farms Golf Club | St. Louis | 100 | Transient non-community | Groundwater |
| 11 | Paradise Valley Golf & Country Club | St. Louis | 50 | Transient non-community | Groundwater |
| 12 | Jay Henges Range | St. Louis | 50 | Transient non-community | Groundwater |
| 13 | Wyman | St. Louis | 50 | Transient non-community | Groundwater |
| 14 | Holiday Inn at Six Flags | St. Louis | 30 | Non-transient non-community | Groundwater |
| 15 | West Tyson County Park | St. Louis | 30 | Transient non-community | Groundwater |
| 16 | Tyson Research Center | St. Louis | 26 | Transient non-community | Groundwater |
| 17 | Jellystone Park Cmpgrd | St. Louis | 25 | Transient non-community | Groundwater |
| 18 | Marianist Retreat Center | St. Louis | 25 | Transient non-community | Groundwater |
| 19 | Lone Elk County Park | St. Louis | 25 | Transient non-community | Groundwater |
| 20 | World Bird Sanctuary | St. Louis | 25 | Transient non-community | Groundwater |
| 21 | Rocket #4224 | St. Louis | 25 | Transient non-community | Groundwater |
| 22 | Aberdeen Golf Club | St. Louis | 25 | Transient non-community | Groundwater |
| 23 | Pond Athletic Association Ballpark | St. Louis | 25 | Transient non-community | Groundwater |
Also serving St. Louis County
These systems serve several counties, including St. Louis County. EPA lists another county first for them, so they are not included in the counts above.
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Pacific Pws | Franklin + 1 more | 6,000 | Community | Groundwater |