Water Quality in SAINT MARYS, AK (99658)

EPA violation data for public water systems serving ZIP code 99658.

190

Total Violations

8

Health-Based

182

Monitoring / Reporting

184

Resolved

What does this mean?

184 of 190 violations have been resolved. 8 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 182 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: 4 Population served: 732

Violations Detail (190 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Interim Enhanced Surface Water Treatment RuleMonitoringN/AN/AJul 31, 2025ResolvedN/A
Interim Enhanced Surface Water Treatment RuleMonitoringN/AN/AJul 31, 2025ResolvedN/A
Lead and Copper RuleMonitoringN/AN/AJun 30, 2025ActiveN/A
Interim Enhanced Surface Water Treatment RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A
Interim Enhanced Surface Water Treatment RuleMonitoringN/AN/AMay 31, 2025ResolvedN/A
Interim Enhanced Surface Water Treatment RuleMonitoringN/AN/AApr 30, 2025ResolvedN/A
Interim Enhanced Surface Water Treatment RuleMonitoringN/AN/AMar 31, 2025ResolvedN/A
Total Haloacetic Acids (HAA5)MonitoringN/AN/AMar 31, 2025ResolvedN/A
TTHMMonitoringN/AN/AMar 31, 2025ResolvedN/A
Groundwater RuleMonitoringN/AN/AMar 14, 2025ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(16)

Interim Enhanced Surface Water Treatment Rule

38

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Jul 31Resolved

Lead and Copper Rule

52

Jun 30Active

Interim Enhanced Surface Water Treatment Rule

38

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Mar 31Resolved

Total Haloacetic Acids (HAA5)

27

Mar 31Resolved

TTHM

27

Mar 31Resolved

Groundwater Rule

20

Mar 14Resolved

Interim Enhanced Surface Water Treatment Rule

38

Feb 28Resolved

Chlorine

27

Feb 28Resolved

Revised Total Coliform Rule

3A

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

38

Jan 31Resolved

Chlorine

27

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

2024(34)

Lead and Copper Rule

52

Dec 31Active

Interim Enhanced Surface Water Treatment Rule

38

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Nov 30Resolved

Revised Total Coliform Rule

3A

Nov 30Resolved

Chlorine

27

Nov 30Resolved

Revised Total Coliform Rule

2A

Nov 13Active

Interim Enhanced Surface Water Treatment Rule

38

Oct 31Resolved

Chlorine

27

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

E. COLI

34

Oct 7Active

Interim Enhanced Surface Water Treatment Rule

38

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Chlorine

27

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

44

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

44

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

44

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Jul 31Resolved

Lead and Copper Rule

52

Jun 30Active

Interim Enhanced Surface Water Treatment Rule

38

Jun 30Resolved

Chlorine

27

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Mar 31Resolved

Total Haloacetic Acids (HAA5)

27

Mar 31Resolved

TTHM

27

Mar 31Resolved

Surface Water Treatment Rule

41

Feb 29Resolved

Surface Water Treatment Rule

41

Feb 29Resolved

Surface Water Treatment Rule

41

Feb 29Resolved

Interim Enhanced Surface Water Treatment Rule

38

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

How Does This Compare?

SAINT MARYS (99658) has 190 recorded violations, including 8 health-based. 6 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.

Nearby ZIP Codes

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