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Clean Water Act discharge permit · NPDES AKR10GL44

MAKUSHIN GEOTHERMAL PROJECT, UNALASKA, ALASKA, Unalaska, AK: NPDES AKR10GL44 discharge permit, effluent exceedances, inspections, penalties

MAKUSHIN GEOTHERMAL PROJECT, UNALASKA, ALASKA, held by Bernie Karl - Ounalashka/Chena Power, holds NPDES permit AKR10GL44. EPA’s file records it issued November 24, 2025 and expiring January 31, 2026.

MAKUSHIN GEOTHERMAL PROJECT, UNALASKA, ALASKA, Unalaska, Alaska: Coverage under a general permit AKR10GL44, held by Bernie Karl - Ounalashka/Chena Power; Construction stormwater; Administratively continued (past its expiration date and still in force until reissued); issued November 24, 2025, term to January 31, 2026, by Alaska Department of Environmental Conservation; Geothermal Electric Power Generation.

Alaska holds 1,371 Construction stormwater coverages of this permit type in EPA’s file; 958 were issued before AKR10GL44.

Coverages issued nearest AKR10GL44

MAKUSHIN GEOTHERMAL PROJECT, UNALASKA, ALASKA among its neighbors

Its county holds 57, 2 of them major permits; AKR10GL44 is a minor permit.

Other permits in the county

What the register holds for MAKUSHIN GEOTHERMAL PROJECT, UNALASKA, ALASKA: its NPDES ID, its permit type and status, its dates, its address in Unalaska, Alaska. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES AKR10GL44.

Identity

Facility as filedMAKUSHIN GEOTHERMAL PROJECT, UNALASKA, ALASKA
Permittee as filedBernie Karl - Ounalashka/Chena Power
NPDES IDAKR10GL44
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedNovember 24, 2025
Expiration dateJanuary 31, 2026
Issuing agencyAlaska Department of Environmental Conservation
AddressUnalaska, AK 99685
NAICS221116 – Geothermal Electric Power Generation
SIC1522 – Residential Construction

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES AKR10GL44.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES AKR10GL44.

Inspections

EPA’s inspection file holds no inspection for NPDES AKR10GL44.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES AKR10GL44.

Watch this permit

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

The MAKUSHIN GEOTHERMAL PROJECT, UNALASKA, ALASKA is one of 8 storm water construction permits on the register in the Aleutians West Census Area, and 0.0% of those 8 permits have a violation on file. Among those 8 permits, 37.5% were issued before this one, which was issued on November 24, 2025. The permit has 0 pollutants with a numeric limit and 0 pollutants with an effluent exceedance.