Water Quality in NUNAM IQUA, AK (99666)

EPA violation data for public water systems serving ZIP code 99666.

285

Total Violations

56

Health-Based

229

Monitoring / Reporting

285

Resolved

What does this mean?

285 of 285 violations have been resolved. 56 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 229 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: 1 Population served: 213

Violations Detail (285 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
CARBON, TOTALMonitoringN/AN/AAug 31, 2025ResolvedN/A
CARBON, TOTALMonitoringN/AN/AAug 31, 2025ResolvedN/A
ChlorineMonitoringN/AN/AJun 30, 2025ResolvedEye and nose irritation; stomach discomfort
Revised Total Coliform RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A
Surface Water Treatment RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A
CARBON, TOTALMonitoringN/AN/AJun 30, 2025ResolvedN/A
CARBON, TOTALMonitoringN/AN/AJun 30, 2025ResolvedN/A
ChlorineMonitoringN/AN/AMar 31, 2025ResolvedEye and nose irritation; stomach discomfort
CARBON, TOTALMonitoringN/AN/AMar 31, 2025ResolvedN/A
CARBON, TOTALMonitoringN/AN/AMar 31, 2025ResolvedN/A

Violation Timeline

2025(22)

CARBON, TOTAL

27

Aug 31Resolved

CARBON, TOTAL

27

Aug 31Resolved

Chlorine

27

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Surface Water Treatment Rule

36

Jun 30Resolved

CARBON, TOTAL

27

Jun 30Resolved

CARBON, TOTAL

27

Jun 30Resolved

Chlorine

27

Mar 31Resolved

CARBON, TOTAL

27

Mar 31Resolved

CARBON, TOTAL

27

Mar 31Resolved

Surface Water Treatment Rule

36

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Surface Water Treatment Rule

36

Feb 28Resolved

Chlorine

27

Feb 28Resolved

CARBON, TOTAL

27

Feb 28Resolved

Revised Total Coliform Rule

3A

Feb 28Resolved

CARBON, TOTAL

27

Feb 28Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Surface Water Treatment Rule

36

Jan 31Resolved

CARBON, TOTAL

27

Jan 31Resolved

CARBON, TOTAL

27

Jan 31Resolved

Chlorine

27

Jan 31Resolved

2024(52)

CARBON, TOTAL

27

Dec 31Resolved

Chlorine

27

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

CARBON, TOTAL

27

Dec 31Resolved

Surface Water Treatment Rule

36

Dec 31Resolved

Chlorine

27

Nov 30Resolved

CARBON, TOTAL

27

Nov 30Resolved

Revised Total Coliform Rule

3A

Nov 30Resolved

Surface Water Treatment Rule

36

Nov 30Resolved

CARBON, TOTAL

27

Nov 30Resolved

Chlorine

27

Oct 31Resolved

Surface Water Treatment Rule

36

Oct 31Resolved

CARBON, TOTAL

27

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

CARBON, TOTAL

27

Oct 31Resolved

CARBON, TOTAL

27

Sep 30Resolved

Surface Water Treatment Rule

36

Sep 30Resolved

TTHM

27

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Total Haloacetic Acids (HAA5)

27

Sep 30Resolved

Chlorine

27

Sep 30Resolved

CARBON, TOTAL

27

Sep 30Resolved

CARBON, TOTAL

27

Aug 31Resolved

CARBON, TOTAL

27

Jul 31Resolved

CARBON, TOTAL

27

Jul 31Resolved

TTHM

27

Jun 30Resolved

Surface Water Treatment Rule

36

Jun 30Resolved

Chlorine

27

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

CARBON, TOTAL

27

Jun 30Resolved

CARBON, TOTAL

27

Jun 30Resolved

Total Haloacetic Acids (HAA5)

27

Jun 30Resolved

CARBON, TOTAL

27

May 31Resolved

CARBON, TOTAL

27

May 31Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Surface Water Treatment Rule

36

Apr 30Resolved

CARBON, TOTAL

27

Apr 30Resolved

CARBON, TOTAL

27

Apr 30Resolved

Surface Water Treatment Rule

36

Mar 31Resolved

CARBON, TOTAL

27

Mar 31Resolved

Total Haloacetic Acids (HAA5)

27

Mar 31Resolved

Chlorine

27

Mar 31Resolved

CARBON, TOTAL

27

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

TTHM

27

Mar 31Resolved

Surface Water Treatment Rule

36

Feb 29Resolved

Interim Enhanced Surface Water Treatment Rule

38

Feb 29Resolved

E. COLI

32

Feb 29Resolved

Revised Total Coliform Rule

3A

Feb 29Resolved

Surface Water Treatment Rule

36

Jan 31Resolved

E. COLI

32

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

How Does This Compare?

NUNAM IQUA (99666) has 285 recorded violations, including 56 health-based. All violations have been resolved, which is a positive sign for current water quality. 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

One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.

Targets:Nitrate, Nitrite, Dissolved Solids

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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