Ann Arbor
Is Ann Arbor tap water safe to drink?
Mostly yes — Ann Arbor scores 90/100. This report aggregates EPA drinking water data across 1 local system in Ann Arbor. We found 4 total violations (0 unresolved).
Real-Time Environment
Live: 03:30 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Ann Arbor.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Ann Arbor?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Filter or no filter for Ann Arbor water? Here's what the data says.
Baby Formula Safety
What new parents in Ann Arbor should know about tap water safety.
Homebuyer's Perspective
Water quality is easy to overlook when evaluating a move to Ann Arbor, but it can affect plumbing longevity and appliance lifespan. The high safety score (90/100) suggests lower risk for plumbing corrosion and appliance scaling.
Health & Family Safety
Residents should monitor PFAS (Per- and Polyfluoroalkyl Substances) levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.
View Health Risk Glossary →Compliance Record for Ann Arbor
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Ann Arbor.
Frequently Asked Questions
Is Ann Arbor tap water safe to drink?
Mostly yes — Ann Arbor scores 90/100.
How many water systems serve Ann Arbor?
Ann Arbor is served by 1 public water system in our latest EPA-backed dataset.
How can I check water quality for my exact address in Ann Arbor?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Ann Arbor.
What is the water quality score for Ann Arbor?
The water quality score for Ann Arbor is 90 out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.
What are the top contaminants in Ann Arbor?
The top contaminants detected in Ann Arbor include PFAS (Per- and Polyfluoroalkyl Substances), Total Trihalomethanes, Copper. View detailed information on our contaminants page.
Ann Arbor Water Quality Summary
Ann Arbor, MI receives a water quality score of 90/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 5 public water systems serving the area.
Ann Arbor'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.
Ann Arbor's score of 90 matches the Michigan state average, and above the nationwide average of roughly 78/100 across all U.S. states.
Residents and prospective homebuyers in this large Michigan city can feel reassured by the excellent quality of the tap water distributed across its several local systems. Situated in the Great Lakes region, which is characterized by both an industrial Rust Belt heritage and a vast freshwater coastline, Ann Arbor maintains an outstanding level of water safety. This high level of performance indicates that the city's utility infrastructure successfully delivers clean, reliable water to households throughout the community.
Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Michigan water quality rankings report →
Key Contaminants
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Water Systems Serving Ann Arbor (1)
Check Your Specific Address
Water quality can vary by neighborhood in Ann Arbor.
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