B
73

Good Water Quality

Inver Grove Heights, MN 55077

Dakota County · Population served: 34,189 · Data updated March 2026

Water Systems Serving This Area

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Inver Grove Heights
Groundwater · Pop. 34,189
PWSID: MN1190014

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
8.0
15 ppb 1 ppb Warning

PFAS / Forever Chemicals

2 detected All below limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFBA102.0 pptNo standard500 pptUnregulated
PFPeA3.5 pptNo standardUnregulated

Violation History (Last 5 Years)

5Total (5yr)
5Health-Based
0Major

Water Quality Summary

Understanding Your Water in Inver Grove Heights

Tap water quality in Inver Grove Heights, Minnesota (55077) receives an overall grade of B (Good) with a score of 73 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 15 points below the Minnesota state average of 88. The area is served by Inver Grove Heights, a groundwater system providing water to approximately 34,189 people. Testing has found elevated levels of Lead that warrant attention. PFAS testing detected 2 compounds, all currently below EPA limits. Over the past 5 years, water systems here have accumulated 5 violations, including 5 health-based violations.

Your Score 73/100 B
vs State 15 pts below Minnesota avg (88)
vs National 2 pts below national avg (75)

What a Grade B Means

A score of 73/100 means the water in Inver Grove Heights, 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 Inver Grove Heights, Minnesota receives a grade of B (Good) with a score of 73/100. 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 55077 is served by 1 water system using groundwater sources, providing water to approximately 34,189 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 Inver Grove Heights, 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.

2 PFAS compounds were detected in water serving Inver Grove Heights, Minnesota, but all are currently below EPA limits. While levels are within regulatory standards, some health organizations recommend minimizing any PFAS exposure. Activated carbon or reverse osmosis filters can reduce PFAS levels.

Water systems serving Inver Grove Heights, Minnesota have received 5 violations in the last 5 years, including 5 health-based violations. Violations can range from paperwork issues (monitoring & reporting) to serious health-based violations where contaminant levels exceeded safe limits. Review the violation details above for specifics.

Based on detected contaminants (lead, PFAS), residents in Inver Grove Heights, 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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