St. Paul, MN Water Quality Report
Is St. Paul tap water safe? See PFAS and lead contamination levels for St. Paul, Minnesota. Compare to EPA limits and get filter recommendations.
Quick Answers
Is St. Paul, MN tap water safe to drink? St. Paul, MN tap water meets most federal EPA limits, but PFAS compounds have been detected at an average of 12.24 ppt across 2 compounds. A certified pitcher filter or reverse osmosis system is recommended for sensitive populations.
What contaminants are in St. Paul, MN water? Top PFAS compounds detected in St. Paul water: PFBA (20.2 ppt), PFPeA (3 ppt). See the full table for all monitored contaminants and comparison to EPA limits.
What filter should I use in St. Paul, MN? For St. Paul, MN households, reverse osmosis removes 90%+ of PFAS, lead, and arsenic. Pitcher and faucet filters certified to NSF-53 for PFAS (ZeroWater, PUR PLUS) work for smaller households. Skip standard Brita filters for PFAS removal.
St. Paul, MN Water Quality Summary
EPA testing has detected PFAS "forever chemicals" in St. Paul, MN drinking water. Recent monitoring found a peak level of 20.2 ppt across 1 water system, representing an average of 12.24 ppt across 2 detected compounds. These levels come from individual EPA UCMR 5 water samples (2023-2025). The EPA's 4 ppt limit for PFOA and PFOS is enforced on a running annual average, so a sample above it shows real exposure but is not by itself a violation.
Contamination Level: MODERATE – Moderate contamination – PFAS detected at meaningful levels; filtration recommended.
Top Detected Compounds
- PFBA: 20.2 ppt (exceeds EPA 4 ppt limit for PFOA/PFOS)
- PFPeA: 3 ppt
Lead in St. Paul, MN Water
EPA Lead and Copper Rule testing has recorded 6 lead samples for St. Paul water systems, with a 90th-percentile high of 0.017 mg/L (above the EPA 0.015 mg/L action level). There is no safe level of lead for children; if your home was built before 1986, a certified NSF/ANSI 53 lead-removal filter is recommended.
EPA Violations in St. Paul, MN
St. Paul public water systems have 1 health-based EPA Safe Drinking Water Act violation on record, including Lead and Copper Rule. Health-based violations mean a contaminant exceeded its federal limit or required treatment was not applied.
About the Data
Source: EPA UCMR5 (Unregulated Contaminant Monitoring Rule 5), the 2023-2025 national testing program spanning about 10,000 public water systems – the broadest PFAS survey ever run in the US. St. Paul, MN serves a population of roughly 311,527.
ZIP Codes Served
Compare St. Paul, MN to Other Cities
Side-by-side PFAS contamination comparisons with same-state, regional, and national peers.
What St. Paul, Minnesota Residents Should Do
- Enter your exact ZIP code at knowyourexposure.com for address-level data
- Request the latest Consumer Confidence Report (CCR) from your Minnesota utility – it is free and updated annually
- Choose a filter certified for PFAS: NSF/ANSI 58 reverse osmosis (94-99% removal) or an NSF-53 pitcher
- High-exposure households (pregnancy, infants, immunocompromised) should also consider a PFAS home test kit