Kongiganak, AK: 4 Health Violations — 94/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Tap water in Kongiganak, AK scores well — low violation counts, above-average safety grade.
How Kongiganak Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Kongiganak Water
- Your city's water systems recorded 125 violations in the past 5 years.
- Average lead level: 0.0045 mg/L.
- Estimated remediation: $600 per household.
- CDC health risk index: 15.88 — above typical levels.
Who Supplies Your Water in Kongiganak
Kongiganak, AK runs on one primary water provider among the 1 federally tracked system. A single utility is responsible for the overwhelming share of residential supply — including the infrastructure, compliance filings, and rate schedules that govern service for most households.
Overview
We track water quality and home safety data for 1 ZIP code in Kongiganak, Alaska, covering 1 community water system serving approximately 547 people.
1 of 1 ZIP code (100%) have recorded EPA violations. 4 health-based violations documented.
Home Safety Score
Average Home Safety Score for Kongiganak: A (94/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Kongiganak water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0045 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| E. coli | Microbiological | 92 | 1 |
| Fecal Coliform | Microbiological | 76 | 1 |
| Consumer Confidence Report Rule | Reporting | 34 | 1 |
| Revised Total Coliform Rule | Microbiological | 20 | 1 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 8 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 99545 | A | 125 | 4 | Kongiganak Water System |
All ZIP Codes in Kongiganak
- 99545 [A] — 125 violations ⚠
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Health Outcomes in Kongiganak
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Top Contaminants in Kongiganak Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Lead Exposure Risk for Children in Kongiganak
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Lead risk in Kongiganak appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Deep Dive Reports
Detailed analysis for Kongiganak, AK