WaterQ
Minnesota State Report All States
Official Status: March 2026

Is Rochester tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Rochester scores 98/100.

Safety Score
98
out of 100

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Rochester

Minnesota

View Minnesota state report Data updated: Mar 2026

Is Rochester tap water safe to drink?

Mostly yes — Rochester scores 98/100. This report aggregates EPA drinking water data across 1 local system in Rochester. We found 1 total violation (1 unresolved).

Real-Time Environment

Live: 11:00 AM
0mm Precipitation

☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Rochester.

Water Quality Impact

✅ Minimal Impact Localized weather conditions may influence test result variability.

🛡️ Home Water Treatment Needs

Should you invest in filtration or softening for your home in Rochester?

Requirement Status
Optional
🟢
💡

Expert Advice

Your water quality is excellent. Standard filtration is optional but can further enhance taste.

Buying a Filter?

Filter requirements and certified reduction benchmarks for Rochester tap water.

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Baby Formula Safety

Infant formula preparation risks, nitrate levels, and lead pipe guidance in Rochester.

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Homebuyer's Perspective

Evaluating water infrastructure in Rochester protects plumbing and helps estimate water heater longevity. The high safety score (98/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

Health & Family Safety

Residents should monitor Lead (90th percentile) levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.

View Health Risk Glossary →

Compliance Record for Rochester

1
Violations (5yr)
1
Unresolved
1
Contaminants Tracked
0
Exceeding EPA Limit

Based on EPA SDWIS violation records and contaminant test results for all water systems serving Rochester.

Frequently Asked Questions

Is Rochester tap water safe to drink?

Mostly yes — Rochester scores 98/100.

How many water systems serve Rochester?

Rochester is served by 1 public water system in our latest EPA-backed dataset.

How can I check water quality for my exact address in Rochester?

Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Rochester.

What is the water quality score for Rochester?

The water quality score for Rochester is 98 out of 100, based on EPA contaminant data, violation history, and testing results across the 1 system serving the city.

What are the top contaminants in Rochester?

The top contaminants detected in Rochester include Lead (90th percentile). View detailed information on our contaminants page.

Water Quality Score
98/100
Grade
A
Water Systems
1
Population
123,624

Rochester Water Quality Summary

Rochester, MN receives a water quality score of 98/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.

Rochester's water quality is above the national average, with strong compliance records and low contaminant levels. Residents generally receive clean, safe tap water that meets EPA standards.

Rochester's score of 98 is 11 points above the Minnesota state average of 87, and above the nationwide average of roughly 78/100 across all U.S. states.

Nestled in the Upper Midwest region of freshwater lakes and agricultural plains, the mid-size city of Rochester delivers outstanding drinking water quality through its single water system. For prospective homebuyers checking the local infrastructure, the city's near-perfect evaluation and highest letter grade reflect a highly reliable supply. Local residents can confidently rely on their tap for daily use, knowing the community successfully maintains excellent safety standards.

Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Minnesota water quality rankings report →

Key Contaminants

Lead (90th percentile)
0.007 / 0.015 mg/L
0 mg/L MCL: 0.015 mg/L

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Water Systems Serving Rochester (1)

Related

Compare Rochester water quality: View all states · Contaminant library · How we score water quality