Water Quality in COBALT, CT (06414)

EPA violation data for public water systems serving ZIP code 06414.

41

Total Violations

1

Health-Based

40

Monitoring / Reporting

39

Resolved

What does this mean?

39 of 41 violations have been resolved. 1 is a health-based violation, meaning contaminant levels exceeded federal safety limits. The remaining 40 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: 6 Population served: 295

Violations Detail (41 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
LEAD AND COPPER RULE REVISIONSHealth-BasedN/AN/AOct 16, 2024ActiveN/A
LEAD AND COPPER RULE REVISIONSMonitoringN/AN/AOct 16, 2024ActiveN/A
Revised Total Coliform RuleMonitoringN/AN/AApr 30, 2024ResolvedN/A
E. COLIMonitoring0N/AApr 30, 2024ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform RuleMonitoringN/AN/AApr 30, 2024ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AApr 30, 2024ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AApr 30, 2024ResolvedN/A
E. COLIMonitoring0N/AApr 30, 2024ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AApr 30, 2024ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AApr 30, 2024ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations

Violation Timeline

2024(10)

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

Revised Total Coliform Rule

3A

Apr 30Resolved

E. COLI

19

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

E. COLI

19

Apr 30Resolved

E. COLI

19

Apr 30Resolved

E. COLI

19

Apr 30Resolved

2023(29)

Total Haloacetic Acids (HAA5)

27

Dec 31Resolved

TTHM

27

Dec 31Resolved

TTHM

27

Dec 31Resolved

TTHM

27

Dec 31Resolved

Total Haloacetic Acids (HAA5)

27

Dec 31Resolved

Total Haloacetic Acids (HAA5)

27

Dec 31Resolved

TTHM

27

Dec 31Resolved

Total Haloacetic Acids (HAA5)

27

Dec 31Resolved

Lead and Copper Rule

66

Dec 29Resolved

E. COLI

19

Nov 30Resolved

Revised Total Coliform Rule

3A

Nov 30Resolved

Revised Total Coliform Rule

3A

Nov 30Resolved

Revised Total Coliform Rule

3A

Nov 30Resolved

E. COLI

19

Nov 30Resolved

E. COLI

19

Nov 30Resolved

E. COLI

19

Nov 30Resolved

Revised Total Coliform Rule

3A

Nov 30Resolved

Nitrate

03

Mar 31Resolved

Nitrate

03

Mar 31Resolved

Nitrite

03

Mar 31Resolved

Nitrite

03

Mar 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

E. COLI

19

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

E. COLI

19

Jan 31Resolved

E. COLI

19

Jan 31Resolved

E. COLI

19

Jan 31Resolved

How Does This Compare?

COBALT (06414) has 41 recorded violations, including 1 health-based. 2 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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