Dayton
Is Dayton tap water safe to drink?
Generally acceptable, but review local hotspots — score 76/100. This report aggregates EPA drinking water data across 6 local systems in Dayton. We found 140 total violations (7 unresolved).
Real-Time Environment
Live: 04:15 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. With a score of 76/100, we recommend budgeting for high-quality point-of-entry filtration systems to protect your home's value.
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 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?
Generally acceptable, but review local hotspots — score 76/100.
How many water systems serve Dayton?
Dayton is served by 6 public water systems 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 76 out of 100, based on EPA contaminant data, violation history, and testing results across the 6 systems serving the city.
What are the top contaminants in Dayton?
The top contaminants detected in Dayton include Lead (90th percentile). View detailed information on our contaminants page.
Dayton Water Quality Summary
Dayton, OH receives a water quality score of 76/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 6 public water systems serving the area.
Dayton's water quality is near the national average. While most systems meet EPA standards, some violations have been recorded. Residents may wish to review their specific water system's report for contaminant details.
Dayton's score of 76 is 8 points below the Ohio state average of 84, and below 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 (6)
Wright State University
ADayton Public Water System
CGrandview Medical Center Pws
BKettering Health Soin Medical Center
BKettering Health Main Campus
BDayton Vamc Water Treatment Plant-Bld330
CCheck Your Specific Address
Water quality can vary by neighborhood in Dayton.
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Compare Dayton water quality: View all states · Contaminant library · How we score water quality