B
83

Good Water Quality

South Saint Paul, MN 55075

Dakota County · Population served: 20,664 · Data updated March 2026

Water Systems Serving This Area

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South Saint Paul
Groundwater · Pop. 20,664
PWSID: MN1190020

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
8.0
15 ppb 1 ppb Warning

PFAS / Forever Chemicals

6 detected 1 above EPA limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFBA168.0 pptNo standard500 pptUnregulated
PFPeA11.0 pptNo standardUnregulated
PFOA7.6 ppt4 ppt4 pptExceeded
PFHxS5.6 ppt10 ppt10 pptBelow limit
PFBS4.7 ppt2000 ppt100 pptBelow limit
PFHxA4.7 pptNo standard400 pptUnregulated

Water Quality Summary

Understanding Your Water in South Saint Paul

Tap water quality in South Saint Paul, Minnesota (55075) receives an overall grade of B (Good) with a score of 83 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is roughly in line with the Minnesota state average of 88. The area is served by South Saint Paul, a groundwater system providing water to approximately 20,664 people. Testing has found elevated levels of Lead that warrant attention. Notably, 1 PFAS compound exceeds EPA limits — a significant concern given the persistent nature of these chemicals. The area has a clean violation record over the past 5 years — a positive indicator of consistent water quality management.

Your Score 83/100 B
vs State 5 pts below Minnesota avg (88)
vs National 8 pts above national avg (75)

What a Grade B Means

A score of 83/100 means the water in South Saint Paul, MN is generally good and meets EPA standards, with only minor areas of concern. There may be low levels of detectable contaminants or a small number of non-critical violations. Most residents can feel comfortable with their tap water quality, though basic filtration can provide an extra layer of protection.

Groundwater: drawn from underground aquifers via wells

Health Information

What These Contaminants Mean for You

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Lead in Your Water

Lead is a toxic metal that can leach from aging pipes and plumbing fixtures.

Health Effects

Even low levels of lead exposure can cause developmental delays in children, kidney damage, and cardiovascular effects in adults. The EPA action level is 15 ppb, but health experts recommend no safe level of lead in drinking water.

Common Sources

Lead enters water primarily through corrosion of lead service lines, lead solder, and brass fixtures — especially in homes built before 1986.

What You Can Do

If lead is detected above 1 ppb, consider using a certified lead-removal filter (NSF/ANSI 53) for drinking and cooking water. Run cold water for 30 seconds before use if water has been sitting in pipes.

Common Questions

Frequently Asked Questions

Based on EPA data, tap water in South Saint Paul, Minnesota receives a grade of B (Good) with a score of 83/100. This indicates the water meets federal standards and has relatively few concerns. However, individual homes may still have localized issues such as lead from old plumbing.

ZIP code 55075 is served by 1 water system using groundwater sources, providing water to approximately 20,664 people. Groundwater is naturally filtered through rock and soil, often requiring less treatment. However, it can be vulnerable to contamination from underground sources like naturally occurring arsenic, nitrates from agriculture, or PFAS from industrial sites.

Lead was detected at 8.0 ppb in South Saint Paul, Minnesota. While this is below the EPA action level of 15 ppb, it exceeds the health guideline of 1 ppb recommended by health organizations. Consider a certified lead filter, especially if you have young children.

Yes — 6 PFAS compounds were detected in water serving South Saint Paul, Minnesota, and 1 exceeds EPA maximum contaminant levels. PFAS are persistent chemicals linked to cancer, immune system effects, and developmental issues. A reverse osmosis or activated carbon filter certified for PFAS removal is recommended.

Water systems serving South Saint Paul, Minnesota have zero violations in the last 5 years. This is a positive indicator of consistent regulatory compliance and water quality management.

Based on detected contaminants (lead, PFAS), residents in South Saint Paul, Minnesota should consider: Reverse osmosis (RO) system — most effective for PFAS, lead, and other contaminants. Always look for filters with NSF/ANSI certification for the specific contaminants you want to remove.

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