Water Quality in ST PETERS, MO (63376)
EPA violation data for public water systems serving ZIP code 63376.
12
Total Violations
4
Health-Based
8
Monitoring / Reporting
11
Resolved
What does this mean?
11 of 12 violations have been resolved. 4 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 8 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.
Violations Detail (12 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Public Notice | Monitoring | N/A | N/A | Mar 12, 2025 | Active | N/A |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | Health-Based | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | Health-Based | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | Health-Based | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | Health-Based | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Nitrate-Nitrite | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Nitrate-Nitrite | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Nitrate-Nitrite | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Feb 28, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Feb 28, 2022 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(1)
Public Notice
75
2024(4)
Stage 1 Disinfectants and Disinfection Byproducts Rule
12
Stage 1 Disinfectants and Disinfection Byproducts Rule
12
Stage 1 Disinfectants and Disinfection Byproducts Rule
12
Stage 1 Disinfectants and Disinfection Byproducts Rule
12
How Does This Compare?
ST PETERS (63376) has 12 recorded violations, including 4 health-based. 1 remains unresolved. Consider testing your tap water independently for added peace of mind.
Recommended Water Filters
Based on the contaminants detected in your area, these filter types may help improve your water quality.
Reverse Osmosis System
One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.
Targets:Nitrate, Nitrite, Dissolved Solids
Look for:NSF/ANSI 58 certified
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove.