Indianapolis, IN Tap Water Quality
Water safety reports for all 63 ZIP codes in Indianapolis, Indiana
Average Score
49/100
Health Violations
315
ZIP Codes
63
High Lead Risk
27
of 63 ZIP codes
About Tap Water in Indianapolis, IN
Tap water quality in Indianapolis, IN is a significant concern, currently receiving a below-average safety score of 49/100 across 63 ZIP codes. With 315 health-based violations recorded in the past 5 years, systems like Citizens Water - Indianapolis have struggled to maintain compliance with EPA regulations enforced by Indiana Department of Environmental Management. Residents are strongly encouraged to utilize certified water filtration systems.
The accumulation of 315 health-based violations over the past 5 years highlights systemic challenges within Indianapolis's water infrastructure. When violations occur, it means that drinking water tests revealed contaminant levels exceeding safe limits, triggering mandatory corrective actions by Indiana Department of Environmental Management. 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 63 ZIP codes in Indianapolis 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 Indianapolis
EPA records indicate that the following contaminants have exceeded Safe Drinking Water Act Maximum Contaminant Levels (MCLs) in Indianapolis 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 — Indianapolis, IN
Click any ZIP code for the full water quality report
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Frequently Asked Questions — Indianapolis Water Quality
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