Water Quality in FLAGSTAFF, AZ (86005)

EPA violation data for public water systems serving ZIP code 86005.

104

Total Violations

21

Health-Based

83

Monitoring / Reporting

93

Resolved

What does this mean?

93 of 104 violations have been resolved. 21 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 83 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: 11 Population served: 7,770

Violations Detail (104 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Consumer Confidence RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A
Consumer Confidence RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A
Consumer Confidence RuleMonitoringN/AN/AJun 30, 2025ActiveN/A
Consumer Confidence RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AFeb 28, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AFeb 28, 2025ResolvedN/A
Lead and Copper RuleMonitoringN/AN/ADec 31, 2024ResolvedN/A
Lead and Copper RuleMonitoringN/AN/ADec 31, 2024ResolvedN/A
Public NoticeMonitoringN/AN/ADec 19, 2024ActiveN/A
Public NoticeMonitoringN/AN/ADec 19, 2024ActiveN/A

Lead & Copper Levels

Violation Timeline

2025(6)

Consumer Confidence Rule

71

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Active

Consumer Confidence Rule

71

Jun 30Resolved

Revised Total Coliform Rule

4B

Feb 28Resolved

Revised Total Coliform Rule

4B

Feb 28Resolved

2024(42)

Lead and Copper Rule

66

Dec 31Resolved

Lead and Copper Rule

66

Dec 31Resolved

Public Notice

75

Dec 19Active

Public Notice

75

Dec 19Active

Public Notice

75

Nov 30Resolved

Public Notice

75

Nov 30Resolved

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 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

Consumer Confidence Rule

72

Oct 1Resolved

Consumer Confidence Rule

72

Oct 1Resolved

Groundwater Rule

45

Jul 30Resolved

Groundwater Rule

45

Jul 30Resolved

Groundwater Rule

45

Jul 30Resolved

Groundwater Rule

45

Jul 30Resolved

Groundwater Rule

45

Jul 30Resolved

Groundwater Rule

45

Jul 30Resolved

Public Notice

75

Jul 1Active

Revised Total Coliform Rule

4B

Jun 30Resolved

Revised Total Coliform Rule

4B

Jun 30Resolved

Revised Total Coliform Rule

4B

May 31Resolved

Revised Total Coliform Rule

4B

May 31Resolved

Groundwater Rule

45

May 18Resolved

Groundwater Rule

45

May 18Resolved

Groundwater Rule

45

May 18Resolved

Groundwater Rule

45

May 18Resolved

Groundwater Rule

45

May 16Resolved

Groundwater Rule

45

May 16Resolved

Groundwater Rule

45

May 16Resolved

Groundwater Rule

45

May 16Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Public Notice

75

Jan 1Active

How Does This Compare?

FLAGSTAFF (86005) has 104 recorded violations, including 21 health-based. 11 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

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.

Nearby ZIP Codes

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