Water Quality in FARMINGTON HILLS, MI (48334)

EPA violation data for public water systems serving ZIP code 48334.

513

Total Violations

85

Health-Based

428

Monitoring / Reporting

492

Resolved

What does this mean?

492 of 513 violations have been resolved. 85 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 428 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: 105 Population served: 50,493

Violations Detail (513 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Surface Water Treatment RuleMonitoringN/AN/AJul 31, 2025ResolvedN/A
Revised Total Coliform RuleHealth-BasedN/AN/AJul 11, 2025ResolvedN/A
Revised Total Coliform RuleHealth-BasedN/AN/AJul 11, 2025ResolvedN/A
Revised Total Coliform RuleHealth-BasedN/AN/AJul 11, 2025ResolvedN/A
Revised Total Coliform RuleHealth-BasedN/AN/AJul 11, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AJul 11, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AJul 11, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AJul 11, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AJul 11, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(46)

Surface Water Treatment Rule

36

Jul 31Resolved

Revised Total Coliform Rule

2B

Jul 11Resolved

Revised Total Coliform Rule

2B

Jul 11Resolved

Revised Total Coliform Rule

2B

Jul 11Resolved

Revised Total Coliform Rule

2B

Jul 11Resolved

Revised Total Coliform Rule

4A

Jul 11Resolved

Revised Total Coliform Rule

4A

Jul 11Resolved

Revised Total Coliform Rule

4A

Jul 11Resolved

Revised Total Coliform Rule

4A

Jul 11Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Chlorine

27

Jun 30Resolved

Chlorine

27

Jun 30Resolved

Chlorine

27

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Consumer Confidence Rule

72

Jun 30Active

Consumer Confidence Rule

72

Jun 30Active

Consumer Confidence Rule

72

Jun 30Active

Consumer Confidence Rule

72

Jun 30Active

Chlorine

27

Jun 30Resolved

Chlorine

27

Jun 30Resolved

Chlorine

27

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Consumer Confidence Rule

72

Jun 30Active

Consumer Confidence Rule

71

Jun 30Resolved

Groundwater Rule

31

Jun 30Resolved

Groundwater Rule

31

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Consumer Confidence Rule

72

Jun 30Active

Groundwater Rule

31

May 31Resolved

Groundwater Rule

31

May 31Resolved

Groundwater Rule

31

May 31Resolved

Groundwater Rule

31

May 31Resolved

Revised Total Coliform Rule

1A

Apr 30Resolved

Revised Total Coliform Rule

1A

Apr 30Resolved

Revised Total Coliform Rule

1A

Apr 30Resolved

Revised Total Coliform Rule

1A

Apr 30Resolved

Revised Total Coliform Rule

1A

Apr 30Resolved

Revised Total Coliform Rule

2A

Apr 7Resolved

Revised Total Coliform Rule

2A

Apr 7Resolved

Public Notice

75

Jan 11Active

2024(132)

Total Haloacetic Acids (HAA5)

27

Dec 31Active

TTHM

27

Dec 31Active

Chlorine

27

Dec 31Resolved

Chlorine

27

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Surface Water Treatment Rule

36

Dec 31Resolved

Surface Water Treatment Rule

36

Dec 31Resolved

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

Consumer Confidence Rule

72

Dec 17Resolved

Consumer Confidence Rule

72

Dec 17Resolved

Revised Total Coliform Rule

4B

Nov 10Resolved

Revised Total Coliform Rule

4B

Nov 10Resolved

Revised Total Coliform Rule

4B

Nov 10Resolved

Revised Total Coliform Rule

4B

Nov 10Resolved

Revised Total Coliform Rule

4B

Nov 10Resolved

Revised Total Coliform Rule

4B

Nov 10Resolved

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

3A

Oct 31Resolved

Chloramine

27

Oct 31Resolved

Chloramine

27

Oct 31Resolved

Chloramine

27

Oct 31Resolved

Chloramine

27

Oct 31Resolved

Groundwater Rule

31

Oct 31Resolved

Groundwater Rule

31

Oct 31Resolved

Groundwater Rule

31

Oct 31Resolved

Groundwater Rule

31

Oct 31Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

Consumer Confidence Rule

72

Oct 6Resolved

Consumer Confidence Rule

72

Oct 6Resolved

Consumer Confidence Rule

72

Oct 6Resolved

Consumer Confidence Rule

72

Oct 6Resolved

Consumer Confidence Rule

72

Sep 30Resolved

Consumer Confidence Rule

72

Sep 30Resolved

Radium-226

03

Sep 30Resolved

Radium-226

03

Sep 30Resolved

Radium-226

03

Sep 30Resolved

Gross Alpha, Excl. Radon and U

03

Sep 30Resolved

Gross Alpha, Excl. Radon and U

03

Sep 30Resolved

Gross Alpha, Excl. Radon and U

03

Sep 30Resolved

Radium-228

03

Sep 30Resolved

Radium-228

03

Sep 30Resolved

Radium-228

03

Sep 30Resolved

Public Notice

75

Aug 19Active

Groundwater Rule

31

Jul 31Resolved

Groundwater Rule

31

Jul 31Resolved

Groundwater Rule

31

Jul 31Resolved

Groundwater Rule

31

Jul 31Resolved

Groundwater Rule

31

Jul 31Resolved

Groundwater Rule

31

Jul 31Resolved

Groundwater Rule

31

Jul 31Resolved

Groundwater Rule

31

Jul 31Resolved

Public Notice

75

Jul 10Active

Consumer Confidence Rule

71

Jun 30Active

Consumer Confidence Rule

71

Jun 30Active

Consumer Confidence Rule

71

Jun 30Active

Consumer Confidence Rule

72

Jun 30Resolved

Consumer Confidence Rule

72

Jun 30Resolved

Consumer Confidence Rule

72

Jun 30Resolved

Revised Total Coliform Rule

3A

May 31Resolved

E. COLI

19

May 31Resolved

E. COLI

19

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Lead and Copper Rule

52

May 31Resolved

Lead and Copper Rule

52

May 31Resolved

Lead and Copper Rule

52

May 31Resolved

Lead and Copper Rule

52

May 31Resolved

Public Notice

75

Apr 11Resolved

Public Notice

75

Apr 11Resolved

Public Notice

75

Apr 11Resolved

Public Notice

75

Apr 11Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

E. COLI

19

Mar 31Resolved

TTHM

02

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

E. COLI

19

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

Chloramine

27

Mar 31Resolved

Chloramine

27

Mar 31Resolved

Chloramine

27

Mar 31Resolved

Chloramine

27

Mar 31Resolved

Public Notice

75

Feb 29Active

Public Notice

75

Feb 29Active

Public Notice

75

Feb 7Resolved

Public Notice

75

Feb 7Resolved

How Does This Compare?

FARMINGTON HILLS (48334) has 513 recorded violations, including 85 health-based. 21 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 →

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

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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