Water Quality in OXFORD, CT (06478)

EPA violation data for public water systems serving ZIP code 06478.

130

Total Violations

10

Health-Based

120

Monitoring / Reporting

125

Resolved

What does this mean?

125 of 130 violations have been resolved. 10 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 120 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: 37 Population served: 987

Violations Detail (130 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
E. COLIMonitoring0N/AJul 20, 2025ActiveSevere gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform RuleHealth-BasedN/AN/AOct 25, 2024ResolvedN/A
Revised Total Coliform RuleHealth-BasedN/AN/AOct 25, 2024ResolvedN/A
Revised Total Coliform RuleHealth-BasedN/AN/AOct 25, 2024ResolvedN/A
Revised Total Coliform RuleHealth-BasedN/AN/AOct 25, 2024ResolvedN/A
LEAD AND COPPER RULE REVISIONSHealth-BasedN/AN/AOct 16, 2024ActiveN/A
LEAD AND COPPER RULE REVISIONSMonitoringN/AN/AOct 16, 2024ActiveN/A
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/AAug 31, 2024ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(1)

E. COLI

34

Jul 20Active

2024(24)

Revised Total Coliform Rule

2B

Oct 25Resolved

Revised Total Coliform Rule

2B

Oct 25Resolved

Revised Total Coliform Rule

2B

Oct 25Resolved

Revised Total Coliform Rule

2B

Oct 25Resolved

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

4G

Oct 16Active

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

Aug 31Resolved

Public Notice

75

Jul 4Resolved

Public Notice

75

Jul 4Resolved

Public Notice

75

Jul 4Resolved

Public Notice

75

Jul 4Resolved

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

How Does This Compare?

OXFORD (06478) has 130 recorded violations, including 10 health-based. 5 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

Check Another ZIP Code