Water Quality in MISHAWAKA, IN (46544)

EPA violation data for public water systems serving ZIP code 46544.

340

Total Violations

5

Health-Based

335

Monitoring / Reporting

337

Resolved

What does this mean?

337 of 340 violations have been resolved. 5 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 335 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: 31 Population served: 5,087

Violations Detail (340 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Consumer Confidence RuleMonitoringN/AN/AJun 30, 2025ActiveN/A
E. COLIMonitoring0N/AJun 24, 2024ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AJun 24, 2024ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AJun 24, 2024ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AJun 24, 2024ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform RuleMonitoringN/AN/AApr 10, 2024ActiveN/A
Revised Total Coliform RuleMonitoringN/AN/AApr 10, 2024ActiveN/A
Revised Total Coliform RuleMonitoringN/AN/AMar 31, 2024ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AMar 31, 2024ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AMar 31, 2024ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(1)

Consumer Confidence Rule

72

Jun 30Active

2024(24)

E. COLI

34

Jun 24Resolved

E. COLI

34

Jun 24Resolved

E. COLI

34

Jun 24Resolved

E. COLI

34

Jun 24Resolved

Revised Total Coliform Rule

5A

Apr 10Active

Revised Total Coliform Rule

5A

Apr 10Active

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Feb 29Resolved

Revised Total Coliform Rule

3A

Feb 29Resolved

Revised Total Coliform Rule

3A

Feb 29Resolved

Revised Total Coliform Rule

3A

Feb 29Resolved

Revised Total Coliform Rule

3A

Feb 29Resolved

Revised Total Coliform Rule

3A

Feb 29Resolved

Revised Total Coliform Rule

3A

Feb 29Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

How Does This Compare?

MISHAWAKA (46544) has 340 recorded violations, including 5 health-based. 3 remain unresolved. 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

NSF Certified Products → EPA Safe Drinking Water Guide →

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

NSF Certified Products → EPA Safe Drinking Water Guide →

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

Nearby ZIP Codes

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