Kokhanok, AK
Contamination score
Higher = more contaminated vs. other cities.
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Reported illness & cancer claims
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Self-reported issues
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Pollution sources & reported claims near your water
Factories, greenhouses, and contaminated sites mapped around the water supply. Tap any circle for detail.
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Public water systems
Kokhanok Water & Ww System
- PWSID:
- AK2263006
- Source:
- Surface water
- Serves:
- 160 people
EPA & DEP violations
City-wide
20 violationsSurface Water Treatment Rule — TT violation
high severityHealth-basedArchivedSurface Water Treatment Rule TT violation (Archived).
EPA SDWIS · TT · Began Jan 1, 2026 · 7 months ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Dec 1, 2025 · 8 months ago · Source ↗
Surface Water Treatment Rule — TT violation
high severityHealth-basedArchivedSurface Water Treatment Rule TT violation (Archived).
EPA SDWIS · TT · Began Dec 1, 2025 · 8 months ago · Source ↗
Surface Water Treatment Rule — MR violation
medium severityResolvedSurface Water Treatment Rule MR violation (Resolved).
EPA SDWIS · MR · Began Dec 1, 2025 · 8 months ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Dec 1, 2025 · 8 months ago · Source ↗
Surface Water Treatment Rule — MR violation
medium severityResolvedSurface Water Treatment Rule MR violation (Resolved).
EPA SDWIS · MR · Began Nov 1, 2025 · 9 months ago · Source ↗
Surface Water Treatment Rule — TT violation
high severityHealth-basedArchivedSurface Water Treatment Rule TT violation (Archived).
EPA SDWIS · TT · Began Nov 1, 2025 · 9 months ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Nov 1, 2025 · 9 months ago · Source ↗
Surface Water Treatment Rule — TT violation
high severityHealth-basedArchivedSurface Water Treatment Rule TT violation (Archived).
EPA SDWIS · TT · Began Oct 1, 2025 · 10 months ago · Source ↗
Surface Water Treatment Rule — MR violation
medium severityResolvedSurface Water Treatment Rule MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2025 · 10 months ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2025 · 10 months ago · Source ↗
Surface Water Treatment Rule — TT violation
high severityHealth-basedArchivedSurface Water Treatment Rule TT violation (Archived).
EPA SDWIS · TT · Began Sep 1, 2025 · 11 months ago · Source ↗
Surface Water Treatment Rule — MR violation
medium severityResolvedSurface Water Treatment Rule MR violation (Resolved).
EPA SDWIS · MR · Began Aug 1, 2025 · 1 year ago · Source ↗
Surface Water Treatment Rule — TT violation
high severityHealth-basedArchivedSurface Water Treatment Rule TT violation (Archived).
EPA SDWIS · TT · Began Aug 1, 2025 · 1 year ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Aug 1, 2025 · 1 year ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Jul 1, 2025 · 1 year ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Jun 1, 2025 · 1 year ago · Source ↗
Surface Water Treatment Rule — TT violation
high severityHealth-basedResolvedSurface Water Treatment Rule TT violation (Resolved).
EPA SDWIS · TT · Began May 1, 2025 · 1 year ago · Source ↗
Surface Water Treatment Rule — MR violation
medium severityResolvedSurface Water Treatment Rule MR violation (Resolved).
EPA SDWIS · MR · Began May 1, 2025 · 1 year ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began May 1, 2025 · 1 year ago · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.