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Clean Water Act discharge permit · NPDES IDG133002

KOOSKIA NATIONAL FISH HATCHERY, Kooskia, ID: NPDES IDG133002 discharge permit, effluent exceedances, inspections, penalties

KOOSKIA NATIONAL FISH HATCHERY, held by Kooskia National Fish Hatchery, holds NPDES permit IDG133002. EPA’s file records it issued November 1, 2019 and expiring November 30, 2024.

KOOSKIA NATIONAL FISH HATCHERY, Kooskia, Idaho: Coverage under a general permit IDG133002, held by Kooskia National Fish Hatchery; Administratively continued (past its expiration date and still in force until reissued); issued November 1, 2019, term to November 30, 2024, by Region 10.

  • Solids, total suspended: 24 limits, 1 violation of any kind, 1 effluent exceedance, latest June 30, 2022, largest 6% over the limit.
  • Phosphorus, total [as P]: 24 limits, 0 violations of any kind, 0 effluent exceedances.
  • Flow, in conduit or thru treatment plant: 8 limits, 0 violations of any kind, 0 effluent exceedances.

KOOSKIA NATIONAL FISH HATCHERY among its neighbors

EPA’s permit file holds 6 discharge permits in the Lower Clear Creek subwatershed (HUC 170603040103), IDG133002 among them.

Other permits in the Lower Clear Creek subwatershed (HUC 170603040103)

Identity

Facility as filedKOOSKIA NATIONAL FISH HATCHERY
Permittee as filedKooskia National Fish Hatchery
NPDES IDIDG133002
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
IssuedNovember 1, 2019
Expiration dateNovember 30, 2024
Issuing agencyRegion 10
AddressKooskia, ID 83539
SubwatershedLower Clear Creek (HUC 170603040103)

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Solids, total suspended2411June 30, 20226% over the limit
Phosphorus, total [as P]2400
Flow, in conduit or thru treatment plant800

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES IDG133002.

Inspections

EPA’s inspection file holds no inspection for NPDES IDG133002.

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 IDG133002.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

This public-records page covers NPDES permit IDG133002 held by Kooskia National Fish Hatchery in Kooskia, ID, with the permit status shown as administratively continued and a minor discharger class. The facts list 3 pollutants on file, 1 under a numeric limit, and 1 with an effluent exceedance, within the HUC 170603040103 subwatershed.