Water Quality in BIG LAKE, AK (99652)

EPA violation data for public water systems serving ZIP code 99652.

124

Total Violations

9

Health-Based

115

Monitoring / Reporting

119

Resolved

What does this mean?

119 of 124 violations have been resolved. 9 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 115 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: 4,932

Violations Detail (124 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Lead and Copper RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A
Public NoticeMonitoringN/AN/AApr 18, 2025ActiveN/A
Revised Total Coliform RuleMonitoringN/AN/AMar 31, 2025ResolvedN/A
Public NoticeMonitoringN/AN/AJan 13, 2025ActiveN/A
Lead and Copper RuleMonitoringN/AN/ADec 31, 2024ActiveN/A
Groundwater RuleHealth-BasedN/AN/AJul 8, 2024ActiveN/A
Lead and Copper RuleMonitoringN/AN/AJun 30, 2024ActiveN/A
Public NoticeMonitoringN/AN/AMay 20, 2024ResolvedN/A
Groundwater RuleMonitoringN/AN/AMay 1, 2024ResolvedN/A
Groundwater RuleMonitoringN/AN/AMay 1, 2024ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(4)

Lead and Copper Rule

52

Jun 30Resolved

Public Notice

77

Apr 18Active

Revised Total Coliform Rule

3A

Mar 31Resolved

Public Notice

76

Jan 13Active

2024(7)

Lead and Copper Rule

52

Dec 31Active

Groundwater Rule

45

Jul 8Active

Lead and Copper Rule

51

Jun 30Active

Public Notice

76

May 20Resolved

Groundwater Rule

20

May 1Resolved

Groundwater Rule

20

May 1Resolved

Groundwater Rule

45

Feb 17Resolved

How Does This Compare?

BIG LAKE (99652) has 124 recorded violations, including 9 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

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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