Water Quality: O Fallon, MO
12 water systems • 142,677 people served
No Health Violations66
Total Violations
0
Health-Based Violations
12
Water Systems
142,677
Population Served
Water Quality Summary
O Fallon has no health-based drinking water violations on record in the EPA SDWIS database. There are 66 monitoring or reporting violations, which typically means the system missed a testing deadline rather than finding a contaminant above safe levels.
Water Systems Serving O Fallon
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| ST CHARLES COUNTY PWSD 2 | MO6024530 | Surface Water | 100,587 | 3 |
| OFALLON PWS | MO6010588 | Surface Water | 32,515 | 2 |
| ST CHARLES CO PWSD #2 WRIGHT CITY | MO6010874 | Groundwater | 3,550 | 11 |
| ST PAUL PWS | MO6011535 | Groundwater | 1,700 | 1 |
| ST CHARLES COUNTY PWSD 2 WARREN | MO6024629 | Groundwater | 1,192 | 0 |
| ST CHARLES CO PWSD 2 AUGUSTA | MO6024531 | Groundwater | 881 | 0 |
| ST CHARLES COUNTY PWSD 2 NORTH OAK DR | MO6021633 | Groundwater | 660 | 12 |
| ST CHARLES PWSD 2 FORISTELL | MO6010287 | Groundwater | 550 | 4 |
| ECM WATER & SEWER AUTHORITY - FLINT HILL | MO6011147 | Groundwater | 469 | 1 |
| ST CHARLES COUNTY PWSD 2 DUTZOW | MO6024628 | Groundwater | 400 | 0 |
| ST CHARLES CO PWSD 2 - SUMAC RIDGE | MO6031209 | Groundwater | 103 | 4 |
| FENNEC FOX WAY LLC | MO6036061 | Groundwater | 70 | 28 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.