Metlakatla Sewer Treatment Plant
100 Ocean View Road (Annette Island Reserve), Metlakatla, AK 99926 · 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 102 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in August 2023.
Treatment technology
Treatment structures and unit processes at Metlakatla Sewer Treatment Plant.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 102
- Effluent violations
- 102
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Metlakatla Sewer Treatment Plant in EPA's ICIS system.
- Formal actions
- 1
- 1 since FY2020
- Compliance actions
- $10,000
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Aug 2023
Metlakatla STP (ACO)
Administrative order · CWA, NPDES Permit Violations · Final Order No Penalty · Compliance actions $10,000
EPA's description of the case:
“On August 21, 2023, Region 10 issued an administrative order on consent ( Order ) to the Metlakatla Indian Community (MIC) for its Sewage Treatment Plant (STP) located in the Metlakatla Indian…”
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Source: EPA ECHO, civil enforcement case 10-2023-0096.
Full case history with a free Klarifi account
Every action against Metlakatla Sewer Treatment Plant with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at Metlakatla Sewer Treatment Plant.
No verified contacts on file yet
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Juneau · 243 mi away
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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 October 26, 2026; facility record last updated September 15, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms