Water Quality in OXFORD, MI (48371)

EPA violation data for public water systems serving ZIP code 48371.

313

Total Violations

22

Health-Based

291

Monitoring / Reporting

312

Resolved

What does this mean?

312 of 313 violations have been resolved. 22 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 291 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: 71 Population served: 10,662

Violations Detail (313 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Consumer Confidence RuleMonitoringN/AN/AJun 30, 2025ActiveN/A
ArsenicHealth-BasedN/A0.012Dec 31, 2024ResolvedSkin damage; circulatory system problems; increased risk of cancer
Revised Total Coliform RuleMonitoringN/AN/ASep 30, 2024ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/ASep 30, 2024ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/ASep 30, 2024ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/ASep 30, 2024ResolvedN/A
ArsenicHealth-BasedN/A0.011Sep 30, 2024ResolvedSkin damage; circulatory system problems; increased risk of cancer
ArsenicHealth-BasedN/A0.011Sep 30, 2024ResolvedSkin damage; circulatory system problems; increased risk of cancer
ArsenicHealth-BasedN/A0.011Sep 30, 2024ResolvedSkin damage; circulatory system problems; increased risk of cancer
Revised Total Coliform RuleMonitoringN/AN/AJul 31, 2024ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(1)

Consumer Confidence Rule

72

Jun 30Active

2024(32)

Arsenic

02

Dec 31Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Arsenic

02

Sep 30Resolved

Arsenic

02

Sep 30Resolved

Arsenic

02

Sep 30Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

E. COLI

34

Jul 18Resolved

E. COLI

34

Jul 18Resolved

E. COLI

34

Jul 18Resolved

E. COLI

34

Jul 18Resolved

E. COLI

34

Jul 18Resolved

Revised Total Coliform Rule

4B

Jul 10Resolved

Revised Total Coliform Rule

4B

Jul 10Resolved

Revised Total Coliform Rule

4B

Jul 10Resolved

Revised Total Coliform Rule

4B

Jul 10Resolved

Arsenic

02

Jun 30Resolved

Arsenic

02

Jun 30Resolved

Arsenic

02

Jun 30Resolved

E. COLI

34

Jun 22Resolved

E. COLI

34

Jun 22Resolved

E. COLI

34

Jun 22Resolved

E. COLI

34

Jun 22Resolved

Revised Total Coliform Rule

3A

Feb 29Resolved

Revised Total Coliform Rule

3A

Feb 29Resolved

Revised Total Coliform Rule

3A

Feb 29Resolved

How Does This Compare?

OXFORD (48371) has 313 recorded violations, including 22 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

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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