St. Peters, Missouri Water Quality Report
Water quality data for 1 water system serving 52,575 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 53.1 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 531% | Above guideline |
| PFBA | 0.011 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxA | 0.006 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFOA | 0.005 | 0.004 ug/L | 0.090 ug/L(EWG) | 122% | Above limit |
| PFPeA | 0.006 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
Recommended Water Filters
Based on the contaminants detected in your water supply, these filtration systems are recommended:
Reverse Osmosis (RO)
Reverse osmosis systems remove up to 99% of PFAS compounds. Recommended for homes with detected PFAS.
Up to 99% PFAS removal
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Compliance & Violations
Active Violations (6)
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (1)
71
Jul 1, 2019
Frequently Asked Questions
Is St. Peters tap water safe to drink?
St. Peters's water has 1 contaminant detected above EPA limits. While the water is treated, residents may want to consider additional filtration.
What contaminants are in St. Peters tap water?
5 contaminants have been detected in St. Peters's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in St. Peters?
Install a water filter rated for the specific contaminants found in St. Peters's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does St. Peters have any water quality violations?
Yes, St. Peters currently has 6 active violations. See the violations section above for details.