Saint Paul Regional Water Services
St. Paul, Minnesota · PWSID: MN1620026
St. Paul Water Quality Summary
Saint Paul Regional Water Services supplies drinking water to about 392,529 people in St. Paul, Minnesota, and draws from surface water (rivers, lakes, or reservoirs), which requires fuller treatment for runoff, sediment, and microbial risk. On the IsWaterSafe scale it earns a fair Water Safety Score of 74 out of 100 (Grade C), a composite of its EPA SDWIS violation and contaminant record.
This system has no health-based violations on record, but EPA logs 6 monitoring violations — failures to test or report water quality on schedule rather than confirmed contamination. 21 enforcement actions are recorded against the system.
Across the 2 substances sampled, none exceeded its EPA limit. Chlorine sits highest relative to its ceiling, detected at 2 ppm against an MCL of 4 ppm (sampled April 2023) — within the legal limit.
The most pressing open issue is a monitoring violation involving Chlorine, beginning April 2023 and still open in EPA records.
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Detected Contaminants
| Contaminant | Detected Level | MCL (Limit) | Status | Sample Date |
|---|---|---|---|---|
| Chlorine | 2 ppm | 4 ppm | Within Limit | Apr 1, 2023 |
| Combined Filter Effluent | 0.5 NTU | 1 NTU | Within Limit | Oct 1, 2020 |
Violation History
Frequently Asked Questions
Saint Paul Regional Water Services has a Water Safety Score of C (74/100). The system serves 392,529 people and has 0 health violations on record. Check the contaminant table above for specific detected substances.
Saint Paul Regional Water Services has 0 contaminant exceedances above EPA health guidelines. See the full contaminant detection table above for all tested substances and their levels relative to legal limits and health guidelines.
The Water Safety Score (0-100, grades A through F) is based on contaminant levels relative to legal limits, health guideline exceedances, violation history, and enforcement actions. Higher scores indicate fewer concerns.
If your water system has violations, request the Consumer Confidence Report from your utility, consider getting an independent water test from a certified lab, and look into certified water filters for specific contaminants of concern. For lead, run cold water for 30 seconds before drinking.
Water quality data sourced from EPA's Safe Drinking Water Information System (SDWIS). Safety scores are calculated based on contaminant levels, violations, and enforcement history. This is not a substitute for your utility's official Consumer Confidence Report.
Source: EPA Ground Water and Drinking Water, 2026.