Water Quality in Nightmute, AK (99690)

EPA violation data for public water systems serving ZIP code 99690.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

93

Population

2

Water Systems

34

Violations (5yr)

8

Health-Based

Location

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Water Systems Serving This Area (2)

Nightmute New Watering Point

8 health-based
Groundwater 243 people served
34 violations (5yr) · 8 health-based
Lead tested: 10 ppb (limit: 15 ppb)

Nightmute Water System

Groundwater 141 people served
0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

21 violations
All resolved
Groundwater RuleHealth-Based
1 violation
All resolved
Lead and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

3 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

2 violations
All resolved
NitrateMonitoring

At high levels, nitrate can cause blue baby syndrome in infants.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Approaching limit
10 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Nightmute (99690) has more violations than 86% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 34.

Fewer violations 86th percentile More violations

Recommended Water Filters

Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.

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. This is general educational information, not an endorsement of any specific product.

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