Rochester
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: 04:15 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Rochester.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Rochester?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Should you buy a water purifier in Rochester? See our analysis.
Baby Formula Safety
Is Rochester tap water safe for infants? Critical safety guide.
Homebuyer's Perspective
For those looking to relocate to Rochester, water quality is a key factor in long-term property maintenance. The high safety score (98/100) suggests lower risk for plumbing corrosion and appliance scaling.
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
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.
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
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Water Systems Serving Rochester (1)
Check Your Specific Address
Water quality can vary by neighborhood in Rochester.
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Quick compare in Minnesota
Compare Rochester water quality: View all states · Contaminant library · How we score water quality