Water Quality in INDIANAPOLIS, IN (46234)

EPA violation data for public water systems serving ZIP code 46234.

177

Total Violations

23

Health-Based

154

Monitoring / Reporting

177

Resolved

What does this mean?

177 of 177 violations have been resolved. 23 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 154 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.

Water systems: 48 Population served: 6,811

Violations Detail (177 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Revised Total Coliform RuleHealth-BasedN/AN/AJun 7, 2025ResolvedN/A
Revised Total Coliform RuleHealth-BasedN/AN/AJun 7, 2025ResolvedN/A
Revised Total Coliform RuleHealth-BasedN/AN/AJun 7, 2025ResolvedN/A
E. COLIMonitoring0N/AApr 25, 2024ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AApr 25, 2024ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AApr 25, 2024ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
Groundwater RuleHealth-BasedN/AN/AApr 16, 2024ResolvedN/A
Groundwater RuleHealth-BasedN/AN/AApr 16, 2024ResolvedN/A
Groundwater RuleHealth-BasedN/AN/AApr 16, 2024ResolvedN/A
Groundwater RuleHealth-BasedN/AN/AApr 16, 2024ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(3)

Revised Total Coliform Rule

2D

Jun 7Resolved

Revised Total Coliform Rule

2D

Jun 7Resolved

Revised Total Coliform Rule

2D

Jun 7Resolved

2024(9)

E. COLI

34

Apr 25Resolved

E. COLI

34

Apr 25Resolved

E. COLI

34

Apr 25Resolved

Groundwater Rule

45

Apr 16Resolved

Groundwater Rule

45

Apr 16Resolved

Groundwater Rule

45

Apr 16Resolved

Groundwater Rule

45

Apr 16Resolved

Groundwater Rule

45

Apr 16Resolved

Groundwater Rule

45

Apr 16Resolved

How Does This Compare?

INDIANAPOLIS (46234) has 177 recorded violations, including 23 health-based. All violations have been resolved, which is a positive sign for current water quality. Consider testing your tap water independently for added peace of mind.

Recommended Water Filters

Based on the contaminants detected in your area, these filter types may help improve your water quality.

Reverse Osmosis System

Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.

Targets:Lead, Copper, Arsenic, Mercury, Cadmium

Look for:NSF/ANSI 58 certified

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) certified

Always look for filters certified by NSF International for the specific contaminants you want to remove.

Nearby ZIP Codes

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