Water Quality in CHESTERTON, IN (46304)

EPA violation data for public water systems serving ZIP code 46304.

188

Total Violations

20

Health-Based

168

Monitoring / Reporting

188

Resolved

What does this mean?

188 of 188 violations have been resolved. 20 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 168 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: 66 Population served: 22,447

Violations Detail (188 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Groundwater RuleMonitoringN/AN/AJan 9, 2025ResolvedN/A
Groundwater RuleMonitoringN/AN/AJan 9, 2025ResolvedN/A
Groundwater RuleMonitoringN/AN/AJan 9, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AOct 31, 2024ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AOct 31, 2024ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AOct 31, 2024ResolvedN/A
Groundwater RuleHealth-BasedN/AN/AOct 13, 2024ResolvedN/A
Groundwater RuleHealth-BasedN/AN/AOct 13, 2024ResolvedN/A
Groundwater RuleHealth-BasedN/AN/AOct 13, 2024ResolvedN/A
Groundwater RuleHealth-BasedN/AN/AOct 13, 2024ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(3)

Groundwater Rule

20

Jan 9Resolved

Groundwater Rule

20

Jan 9Resolved

Groundwater Rule

20

Jan 9Resolved

2024(15)

Revised Total Coliform Rule

3A

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Groundwater Rule

45

Oct 13Resolved

Groundwater Rule

45

Oct 13Resolved

Groundwater Rule

45

Oct 13Resolved

Groundwater Rule

45

Oct 13Resolved

Groundwater Rule

45

Oct 13Resolved

Groundwater Rule

45

Oct 13Resolved

Revised Total Coliform Rule

4B

Aug 31Resolved

Revised Total Coliform Rule

4B

Aug 31Resolved

Revised Total Coliform Rule

4B

Aug 31Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

How Does This Compare?

CHESTERTON (46304) has 188 recorded violations, including 20 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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