Cottage Grove
Is Cottage Grove tap water safe to drink?
Mostly yes — Cottage Grove scores 94/100. This report aggregates EPA drinking water data across 1 local system in Cottage Grove. We found 3 total violations (3 unresolved).
Real-Time Environment
Live: 10:15 AM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Cottage Grove.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Cottage Grove?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Wondering if Cottage Grove tap water needs filtering? We break it down.
Baby Formula Safety
Mixing baby formula with Cottage Grove tap water? Read this first.
Homebuyer's Perspective
If you're house-hunting in Cottage Grove, water quality belongs on your due-diligence checklist alongside schools and crime data. The high safety score (94/100) 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 Cottage Grove
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Cottage Grove.
Frequently Asked Questions
Is Cottage Grove tap water safe to drink?
Mostly yes — Cottage Grove scores 94/100.
How many water systems serve Cottage Grove?
Cottage Grove is served by 1 public water system in our latest EPA-backed dataset.
How can I check water quality for my exact address in Cottage Grove?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Cottage Grove.
What is the water quality score for Cottage Grove?
The water quality score for Cottage Grove is 94 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 Cottage Grove?
The top contaminants detected in Cottage Grove include Lead (90th percentile). View detailed information on our contaminants page.
Cottage Grove Water Quality Summary
Cottage Grove, MN receives a water quality score of 94/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.
Cottage Grove'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.
Cottage Grove's score of 94 is 7 points above the Minnesota state average of 87, and above the nationwide average of roughly 78/100 across all U.S. states.
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 Cottage Grove (1)
Check Your Specific Address
Water quality can vary by neighborhood in Cottage Grove.
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