Water Quality in EAST HAMPTON, CT (06424)

EPA violation data for public water systems serving ZIP code 06424.

211

Total Violations

22

Health-Based

189

Monitoring / Reporting

184

Resolved

What does this mean?

184 of 211 violations have been resolved. 22 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 189 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: 176 Population served: 8,258

Violations Detail (211 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Consumer Confidence RuleMonitoringN/AN/AAug 9, 2025ResolvedN/A
Consumer Confidence RuleMonitoringN/AN/AAug 9, 2025ActiveN/A
Consumer Confidence RuleMonitoringN/AN/AAug 9, 2025ActiveN/A
Consumer Confidence RuleMonitoringN/AN/AJun 30, 2025ActiveN/A
BenzeneMonitoringN/AN/AMar 31, 2025ResolvedAnemia; decrease in blood platelets; increased risk of cancer
1,1-DichloroethyleneMonitoringN/AN/AMar 31, 2025ResolvedN/A
TolueneMonitoringN/AN/AMar 31, 2025ResolvedN/A
p-DichlorobenzeneMonitoringN/AN/AMar 31, 2025ResolvedN/A
1,2,4-TrichlorobenzeneMonitoringN/AN/AMar 31, 2025ResolvedN/A
E. COLIMonitoring0N/AMar 31, 2025ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations

Lead & Copper Levels

Violation Timeline

2025(32)

Consumer Confidence Rule

72

Aug 9Resolved

Consumer Confidence Rule

72

Aug 9Active

Consumer Confidence Rule

72

Aug 9Active

Consumer Confidence Rule

71

Jun 30Active

Benzene

03

Mar 31Resolved

1,1-Dichloroethylene

03

Mar 31Resolved

Toluene

03

Mar 31Resolved

p-Dichlorobenzene

03

Mar 31Resolved

1,2,4-Trichlorobenzene

03

Mar 31Resolved

E. COLI

19

Mar 31Resolved

E. COLI

19

Mar 31Resolved

Chlorine

27

Mar 31Resolved

Carbon tetrachloride

03

Mar 31Resolved

Trichloroethylene

03

Mar 31Resolved

Tetrachloroethylene

03

Mar 31Resolved

cis-1,2-Dichloroethylene

03

Mar 31Resolved

DICHLOROMETHANE

03

Mar 31Resolved

o-Dichlorobenzene

03

Mar 31Resolved

trans-1,2-Dichloroethylene

03

Mar 31Resolved

1,2-Dichloroethane

03

Mar 31Resolved

1,1,2-Trichloroethane

03

Mar 31Resolved

CHLOROBENZENE

03

Mar 31Resolved

1,2-Dichloropropane

03

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Styrene

03

Mar 31Resolved

1,1,1-Trichloroethane

03

Mar 31Resolved

Ethylbenzene

03

Mar 31Resolved

Vinyl chloride

03

Mar 31Resolved

E. COLI

19

Mar 31Resolved

E. COLI

19

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Chlorine

27

Mar 31Resolved

2024(57)

TTHM

27

Dec 31Active

Total Haloacetic Acids (HAA5)

27

Dec 31Active

TTHM

27

Dec 31Active

Lead and Copper Rule

51

Dec 31Active

Lead and Copper Rule

51

Dec 31Active

Lead and Copper Rule

51

Dec 31Active

Lead and Copper Rule

66

Dec 29Resolved

Lead and Copper Rule

66

Dec 29Resolved

Lead and Copper Rule

66

Dec 29Resolved

Lead and Copper Rule

66

Dec 29Resolved

Lead and Copper Rule

66

Dec 29Resolved

Lead and Copper Rule

66

Dec 29Resolved

Revised Total Coliform Rule

2A

Nov 24Resolved

Revised Total Coliform Rule

2A

Nov 24Resolved

Revised Total Coliform Rule

2A

Nov 24Resolved

Revised Total Coliform Rule

2A

Nov 24Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

Lead and Copper Rule

66

Sep 28Resolved

Lead and Copper Rule

66

Sep 28Resolved

Groundwater Rule

48

Sep 22Resolved

E. COLI

19

Aug 31Resolved

E. COLI

19

Aug 31Resolved

E. COLI

19

Aug 31Resolved

E. COLI

19

Aug 31Resolved

Consumer Confidence Rule

72

Aug 9Resolved

Consumer Confidence Rule

72

Aug 9Resolved

Consumer Confidence Rule

72

Aug 9Resolved

Consumer Confidence Rule

72

Aug 9Resolved

Consumer Confidence Rule

72

Aug 9Resolved

Consumer Confidence Rule

72

Aug 9Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

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

Lead and Copper Rule

66

Mar 30Resolved

Lead and Copper Rule

66

Mar 30Resolved

Lead and Copper Rule

66

Mar 30Resolved

Lead and Copper Rule

66

Mar 30Resolved

How Does This Compare?

EAST HAMPTON (06424) has 211 recorded violations, including 22 health-based. 27 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

Activated Carbon Filter

Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.

Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor

Look for:NSF/ANSI 42 & 53 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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