Thorne Bay WWTF
Shoreline Dr, Thorne Bay, AK 99919 · Prince Of Wales-Hyder County · Publicly Owned Treatment Works
- Average flow
- 0.22 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 0.22 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 and unit processes at Thorne Bay WWTF.
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
Klarifi verifies plant and municipal decision-makers continuously. Start a free trial to browse contacts at nearby plants and flag this one for verification.
Nearby wastewater treatment plants in Alaska
Ketchikan · 32 mi away
0.00000022 MGD
Ketchikan · 39 mi away
1.61 MGD
Ketchikan · 47 mi away
0.48 MGD
Metlakatla · 53 mi away
0.23 MGD
Petersburg · 80 mi away
0.43 MGD
Juneau · 193 mi away
0.96 MGD
Juneau · 201 mi away
2.15 MGD
Juneau · 204 mi away
0.05 MGD
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 October 26, 2026; facility record last updated September 15, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms