Dayton, OH Tap Water Quality
Water safety reports for all 49 ZIP codes in Dayton, Ohio
Average Score
37/100
Health Violations
49
ZIP Codes
49
High Lead Risk
27
of 49 ZIP codes
About Tap Water in Dayton, OH
Tap water quality in Dayton, OH is a significant concern, currently receiving a below-average safety score of 37/100 across 49 ZIP codes. With 49 health-based violations recorded in the past 5 years, systems like Dayton Public Water System have struggled to maintain compliance with EPA regulations enforced by Ohio Environmental Protection Agency. Residents are strongly encouraged to utilize certified water filtration systems.
The accumulation of 49 health-based violations over the past 5 years highlights systemic challenges within Dayton's water infrastructure. When violations occur, it means that drinking water tests revealed contaminant levels exceeding safe limits, triggering mandatory corrective actions by Ohio Environmental Protection Agency. The city relies on surface water, which may require significant treatment upgrades to address these recurring issues.
Additionally, lead exposure risk remains a critical issue for certain neighborhoods. EPA data indicates that 27 out of 49 ZIP codes in Dayton are rated as High or Very High risk for lead. This risk is often driven by aging homes with pre-1986 plumbing containing lead solder or service lines. Families in these areas should test their tap water and consider NSF/ANSI 53 certified filters.
Health-Based Contaminant Violations in Dayton
EPA records indicate that the following contaminants have exceeded Safe Drinking Water Act Maximum Contaminant Levels (MCLs) in Dayton water systems over the past 5 years.
Note: The presence of a past violation does not necessarily mean current water is unsafe. Utilities are required to take corrective action. Review your Consumer Confidence Report for the latest status.
Water Quality by ZIP Code — Dayton, OH
Click any ZIP code for the full water quality report
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Frequently Asked Questions — Dayton Water Quality
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