Thorne Bay WWTF
Thorne Bay, AK · Prince Of Wales-Hyder County · Publicly Owned Treatment Works
- Average flow
- 0.27 MGD
- Design flow
- —
- NPDES permit
- AKG572045
- Effective
- Permit expires
- December 2027
- Population served
- 348
- CWNS 2022
Thorne Bay WWTF is a publicly owned wastewater treatment works in Thorne Bay, Prince Of Wales-Hyder County, Alaska treating an average of 0.27 million gallons per day, serving about 348 residents. It discharges under NPDES permit AKG572045 (effective), which expires in December 2027, with 246 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 246
- Effluent violations
- 119
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Thorne Bay WWTF.
No verified contacts on file yet
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Thorne Bay WWTF: frequently asked questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed September 11, 2026; facility record last updated September 15, 2025.