COUNTY WATER-SYSTEM LEDGER
St. Charles, Missouri
Compare active community water systems serving this county in EPA's public export. Systems can serve multiple places, so population totals may overlap.
Systems6active CWS · pop. 2,500+
Population served1,417,422reported total; may overlap
Current violation flag16.7%1 systems
Serious-violator flag0.0%0 systems
01 / SYSTEMS
Water systems serving St. Charles
Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.
| Water system | Population served | Primary source | Current export status |
|---|---|---|---|
| Mo American St Louis St Charles CountiesMO6010716 | 1,111,000 | Surface water | No current violation flagged |
| St Charles County PWSd 2MO6024530 | 100,587 | Surface water purchased | No current violation flagged |
| St Charles PWSMO6010707 | 78,961 | Surface water purchased | No current violation flagged |
| St Peters PWSMO6010719 | 52,575 | Surface water purchased | No current violation flagged |
| Wentzville PWSMO6010849 | 41,784 | Ground water | Current monitoring/reporting flag |
| Ofallon PWSMO6010588 | 32,515 | Surface water purchased | No current violation flagged |
02 / SOURCE MIX
How to read the population total
It is the sum of each listed system's reported population served, not a census estimate. Service areas can overlap and some systems list multiple cities or counties.