Water Quality in Shaktoolik, AK (99771)

EPA violation data for public water systems serving ZIP code 99771.

Past Health-Based Violations

3 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 91 monitoring/reporting violations.

More violations than 96% of US ZIP codes.

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

283

Population

1

Water Systems

94

Violations (5yr)

3

Health-Based

Location

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Water Systems Serving This Area (1)

Shaktoolik Water System

3 health-based
Surface water 270 people served
94 violations (5yr) · 3 health-based · All resolved
Lead tested: 4.2 ppb (limit: 15 ppb) ✓ Copper tested: 2300 ppb (limit: 1300 ppb)

Contaminants Found

Interim Enhanced Surface Water Treatment RuleHealth-Based
27 violations
All resolved
TTHMHealth-Based
7 violations
All resolved
Surface Water Treatment RuleMonitoring
26 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

14 violations
All resolved
ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

13 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
6 violations
All resolved
Lead and Copper RuleMonitoring

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

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
4.2 ppb measured Action level: 15 ppb

Sampled: Jan 2023

Copper (Cu)

Exceeds limit
2300 ppb measured Action level: 1300 ppb

Sampled: Jan 2023

How Does This Compare?

Shaktoolik (99771) has more violations than 96% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 94.

Fewer violations 96th 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.

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 →

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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