Tanana, 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
Too'Gha Inc - In Tanana
- PWSID:
- AK2360109
- Source:
- Surface water
- Serves:
- 271 people
EPA & DEP violations
Surface Water Treatment Rule — MR violation
medium severityResolvedSurface Water Treatment Rule MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2025 · 8 months ago · Source ↗
Interim Enhanced Surface Water Treatment Rule — MR violation
medium severityResolvedInterim Enhanced Surface Water Treatment Rule MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2025 · 8 months ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Oct 1, 2025 · 8 months ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2025 · 8 months ago · Source ↗
Interim Enhanced Surface Water Treatment Rule — MR violation
medium severityResolvedInterim Enhanced Surface Water Treatment Rule MR violation (Resolved).
EPA SDWIS · MR · Began Sep 1, 2025 · 9 months ago · Source ↗
Surface Water Treatment Rule — MR violation
medium severityResolvedSurface Water Treatment Rule MR violation (Resolved).
EPA SDWIS · MR · Began Sep 1, 2025 · 9 months ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Aug 1, 2025 · 10 months ago · Source ↗
Interim Enhanced Surface Water Treatment Rule — TT violation
high severityHealth-basedResolvedInterim Enhanced Surface Water Treatment Rule TT violation (Resolved).
EPA SDWIS · TT · Began Aug 1, 2025 · 10 months ago · Source ↗
Surface Water Treatment Rule — MR violation
medium severityResolvedSurface Water Treatment Rule MR violation (Resolved).
EPA SDWIS · MR · Began Aug 1, 2025 · 10 months ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Aug 1, 2025 · 10 months ago · Source ↗
Surface Water Treatment Rule — MR violation
medium severityResolvedSurface Water Treatment Rule MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2025 · 11 months ago · Source ↗
Lead and Copper Rule — MR violation
medium severityUnaddressedLead and Copper Rule MR violation (Unaddressed).
EPA SDWIS · MR · Began Jul 1, 2025 · 11 months ago · Source ↗
Surface Water Treatment Rule — TT violation
high severityHealth-basedResolvedSurface Water Treatment Rule TT violation (Resolved).
EPA SDWIS · TT · Began Jul 1, 2025 · 11 months ago · Source ↗
Interim Enhanced Surface Water Treatment Rule — MR violation
medium severityResolvedInterim Enhanced Surface Water Treatment Rule MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2025 · 11 months ago · Source ↗
Surface Water Treatment Rule — MR violation
medium severityResolvedSurface Water Treatment Rule MR violation (Resolved).
EPA SDWIS · MR · Began Jun 1, 2025 · 1 year ago · Source ↗
Interim Enhanced Surface Water Treatment Rule — MR violation
medium severityResolvedInterim Enhanced Surface Water Treatment Rule MR violation (Resolved).
EPA SDWIS · MR · 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 Jun 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 ↗
Interim Enhanced Surface Water Treatment Rule — MR violation
medium severityResolvedInterim Enhanced Surface Water Treatment Rule 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.