Nanwalek, AK
Contamination score
Higher = more contaminated vs. other cities.
Reported illness & cancer claims
No claims reported yet. Be the first to add one.
Claims are aggregated from public records and community reports and may be unverified. If you believe your illness is linked to local water, request a consultation.
Self-reported issues
No issues reported yet. Be the first to report one.

Public water systems
Nanwalek
- PWSID:
- AK2240464
- Source:
- Surface water
- Serves:
- 281 people
EPA & DEP violations
Surface Water Treatment Rule — MR violation
medium severityArchivedSurface Water Treatment Rule MR violation (Archived).
EPA SDWIS · MR · Began Dec 1, 2025 · 6 months ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityArchivedRevised Total Coliform Rule MON violation (Archived).
EPA SDWIS · MON · Began Dec 1, 2025 · 6 months ago · Source ↗
Interim Enhanced Surface Water Treatment Rule — MR violation
medium severityArchivedInterim Enhanced Surface Water Treatment Rule MR violation (Archived).
EPA SDWIS · MR · Began Dec 1, 2025 · 6 months ago · Source ↗
Chlorine — MR violation
medium severityArchivedChlorine MR violation (Archived).
EPA SDWIS · MR · Began Dec 1, 2025 · 6 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 · 7 months ago · Source ↗
Chlorine — MR violation
medium severityArchivedChlorine MR violation (Archived).
EPA SDWIS · MR · Began Nov 1, 2025 · 7 months ago · Source ↗
Surface Water Treatment Rule — MR violation
medium severityArchivedSurface Water Treatment Rule MR violation (Archived).
EPA SDWIS · MR · Began Nov 1, 2025 · 7 months ago · Source ↗
Interim Enhanced Surface Water Treatment Rule — MR violation
medium severityArchivedInterim Enhanced Surface Water Treatment Rule MR violation (Archived).
EPA SDWIS · MR · Began Nov 1, 2025 · 7 months ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityArchivedRevised Total Coliform Rule MON violation (Archived).
EPA SDWIS · MON · Began Nov 1, 2025 · 7 months ago · Source ↗
Interim Enhanced Surface Water Treatment Rule — MR violation
medium severityArchivedInterim Enhanced Surface Water Treatment Rule MR violation (Archived).
EPA SDWIS · MR · Began Oct 1, 2025 · 8 months ago · Source ↗
Chlorine — MR violation
medium severityArchivedChlorine MR violation (Archived).
EPA SDWIS · MR · Began Oct 1, 2025 · 8 months ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityArchivedRevised Total Coliform Rule MON violation (Archived).
EPA SDWIS · MON · Began Oct 1, 2025 · 8 months ago · Source ↗
Surface Water Treatment Rule — MR violation
medium severityArchivedSurface Water Treatment Rule MR violation (Archived).
EPA SDWIS · MR · Began Oct 1, 2025 · 8 months ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityArchivedRevised Total Coliform Rule MON violation (Archived).
EPA SDWIS · MON · Began Sep 1, 2025 · 9 months ago · Source ↗
Surface Water Treatment Rule — MR violation
medium severityArchivedSurface Water Treatment Rule MR violation (Archived).
EPA SDWIS · MR · Began Sep 1, 2025 · 9 months ago · Source ↗
Chlorine — MR violation
medium severityArchivedChlorine MR violation (Archived).
EPA SDWIS · MR · Began Sep 1, 2025 · 9 months ago · Source ↗
Interim Enhanced Surface Water Treatment Rule — MR violation
medium severityArchivedInterim Enhanced Surface Water Treatment Rule MR violation (Archived).
EPA SDWIS · MR · Began Sep 1, 2025 · 9 months ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityArchivedRevised Total Coliform Rule MON violation (Archived).
EPA SDWIS · MON · Began Aug 1, 2025 · 10 months ago · Source ↗
Interim Enhanced Surface Water Treatment Rule — MR violation
medium severityArchivedInterim Enhanced Surface Water Treatment Rule MR violation (Archived).
EPA SDWIS · MR · Began Aug 1, 2025 · 10 months ago · Source ↗
Surface Water Treatment Rule — MR violation
medium severityArchivedSurface Water Treatment Rule MR violation (Archived).
EPA SDWIS · MR · Began Aug 1, 2025 · 10 months ago · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.