Dayton
Is Dayton tap water safe to drink?
Mostly yes — Dayton scores 83/100. This report aggregates EPA drinking water data across 1 local system in Dayton. We found 0 total violations (0 unresolved).
Real-Time Environment
Live: 02:30 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Dayton.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Dayton?
Expert Advice
Given the safety margin, a Carbon Block or sediment filter is recommended to improve taste and remove trace particulates.
Buying a Filter?
Wondering if Dayton tap water needs filtering? We break it down.
Baby Formula Safety
Mixing baby formula with Dayton tap water? Read this first.
Homebuyer's Perspective
If you're house-hunting in Dayton, water quality belongs on your due-diligence checklist alongside schools and crime data. The high safety score (83/100) suggests lower risk for plumbing corrosion and appliance scaling.
Health & Family Safety
Residents should monitor Perchlorate levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.
View Health Risk Glossary →Compliance Record for Dayton
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Dayton.
Frequently Asked Questions
Is Dayton tap water safe to drink?
Mostly yes — Dayton scores 83/100.
How many water systems serve Dayton?
Dayton is served by 1 public water system in our latest EPA-backed dataset.
How can I check water quality for my exact address in Dayton?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Dayton.
What is the water quality score for Dayton?
The water quality score for Dayton is 83 out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.
What are the top contaminants in Dayton?
The top contaminants detected in Dayton include Perchlorate, Mercury, Chromium (Total). View detailed information on our contaminants page.
Dayton Water Quality Summary
Dayton, OH receives a water quality score of 83/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 5 public water systems serving the area.
Dayton'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.
Dayton's score of 83 is 4 points below the Ohio state average of 87, and above the nationwide average of roughly 78/100 across all U.S. states.
For home seekers looking at Dayton, the drinking water in this mid-size Ohio city offers reassuring reliability, particularly given its setting within a Midwest region characterized by its industrial Rust Belt history and Great Lakes coastline. Tap water quality here holds up well against regional environmental challenges, consistently providing dependable service. Because supply is distributed across several distinct systems, prospective residents should check which network serves their specific property. Overall, the local infrastructure delivers a solid standard of quality that aligns comfortably with expectations for a community of this size.
Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Ohio water quality rankings report →
Key Contaminants
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Water Systems Serving Dayton (1)
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Water quality can vary by neighborhood in Dayton.
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