Water Quality in PLAINFIELD, IN (46168)

EPA violation data for public water systems serving ZIP code 46168.

180

Total Violations

14

Health-Based

166

Monitoring / Reporting

179

Resolved

What does this mean?

179 of 180 violations have been resolved. 14 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 166 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: 47 Population served: 46,650

Violations Detail (180 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
E. COLIMonitoring0N/ASep 7, 2025ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
Stage 1 Disinfectants and Disinfection Byproducts RuleHealth-BasedN/AN/ASep 4, 2025ResolvedN/A
Stage 1 Disinfectants and Disinfection Byproducts RuleHealth-BasedN/AN/ASep 4, 2025ResolvedN/A
E. COLIMonitoring0N/AJul 18, 2025ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AJul 18, 2025ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AJul 18, 2025ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
LEAD AND COPPER RULE REVISIONSMonitoringN/AN/AJul 1, 2025ActiveN/A
Revised Total Coliform RuleMonitoringN/AN/AMay 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AMay 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AMay 31, 2025ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(10)

E. COLI

34

Sep 7Resolved

Stage 1 Disinfectants and Disinfection Byproducts Rule

12

Sep 4Resolved

Stage 1 Disinfectants and Disinfection Byproducts Rule

12

Sep 4Resolved

E. COLI

34

Jul 18Resolved

E. COLI

34

Jul 18Resolved

E. COLI

34

Jul 18Resolved

LEAD AND COPPER RULE REVISIONS

4H

Jul 1Active

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

2024(29)

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Revised Total Coliform Rule

2A

Sep 23Resolved

Revised Total Coliform Rule

2A

Sep 23Resolved

Revised Total Coliform Rule

2A

Sep 23Resolved

Revised Total Coliform Rule

2A

Sep 23Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 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

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

How Does This Compare?

PLAINFIELD (46168) has 180 recorded violations, including 14 health-based. 1 remains 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

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.

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