ST LOUIS CITY PWS Water Quality Report
Population
304,709
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 90%
of 49,184 US systems
5-Year Record
⚠️ 48
violations recorded
C
Fair
Safety Grade
48 violations in the past 5 years
System Details
- PWSID
- MO6010715
- Population Served
- 304,709
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Missouri
- EPA Region
- 7
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 2037 | ⚠ Monitoring/Reporting | 6 |
| Contaminant 2045 | ⚠ Monitoring/Reporting | 6 |
| Atrazine | ⚠ Monitoring/Reporting | 6 |
| Benzene | ⚠ Monitoring/Reporting | 6 |
| Contaminant 2054 | ⚠ Monitoring/Reporting | 6 |
| Contaminant 2076 | ⚠ Monitoring/Reporting | 6 |
| Contaminant 2077 | ⚠ Monitoring/Reporting | 6 |
| Contaminant 2595 | ⚠ Monitoring/Reporting | 6 |
Violation History
2022
48
Total violations on record: 48
Service Area
Cities Served
ZIP Codes Served
Recommended Water Filters
Based on contaminants detected in this water system:
Activated Carbon Filter
Effective for chlorine, THMs, pesticides, and taste/odor improvement
Removes: Atrazine, Benzene
How does this compare?
This systemNational average
Grade C
Avg: B-C
48violations total
171% of national average
National avg: ~28 per system
🏙️ This is a large system — serving 46× more people than the national average.