Metlakatla Sewer Treatment Plant
Metlakatla, AK · Prince-Of-Wales-Hyder County · Publicly Owned Treatment Works
- Average flow
- 0.23 MGD
- Design flow
- 0.69 MGD
- NPDES permit
- AK0053813
- Administratively continued
- Permit expires
- September 2025
- Population served
- 1,454
- CWNS 2022
Metlakatla Sewer Treatment Plant is a publicly owned wastewater treatment works in Metlakatla, Prince-Of-Wales-Hyder County, Alaska treating an average of 0.23 million gallons per day against a permitted design capacity of 0.69 MGD, serving about 1,454 residents. It discharges under NPDES permit AK0053813 (administratively continued), which expires in September 2025, with 105 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
- 105
- Effluent violations
- 105
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Metlakatla Sewer Treatment Plant.
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Metlakatla Sewer Treatment Plant: 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.