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Clean Water Act discharge permit · NPDES ID0028444

US ARMY CORPS OF ENGINEERS-DWORSHAK RESERVIOR NUTRIENT ENHANCEMENT PILOT PROJECT, Ahsahka, ID: NPDES ID0028444 discharge permit, effluent exceedances, inspections, penalties

US ARMY CORPS OF ENGINEERS-DWORSHAK RESERVIOR NUTRIENT ENHANCEMENT PILOT PROJECT, held by DWORSHAK RESERVIOR - USACOE, holds NPDES permit ID0028444, which discharges to Clearwater River North Fork. EPA’s file records it issued September 6, 2011 and expiring September 30, 2016.

US ARMY CORPS OF ENGINEERS-DWORSHAK RESERVIOR NUTRIENT ENHANCEMENT PILOT PROJECT, Ahsahka, Idaho: Individual permit ID0028444, held by DWORSHAK RESERVIOR - USACOE; Administratively continued (past its expiration date and still in force until reissued); issued September 6, 2011, term to September 30, 2016; discharges to CLEARWATER RIVER NORTH FORK.

  • Nitrogen, total [as N]: 10 limits, 38 violations of any kind, 0 effluent exceedances.
  • Flow, gallons/batch: 8 limits, 32 violations of any kind, 0 effluent exceedances.
  • Nitrogen, ammonia total [as N]: 6 limits, 18 violations of any kind, 0 effluent exceedances.
  • Nitrite + Nitrate total [as N]: 6 limits, 18 violations of any kind, 0 effluent exceedances.
  • Effluent dilution ratio: 2 limits, 6 violations of any kind, 0 effluent exceedances.

US ARMY CORPS OF ENGINEERS-DWORSHAK RESERVIOR NUTRIENT ENHANCEMENT PILOT PROJECT among its neighbors

EPA’s permit file holds 1 discharge permits in the Freeman Creek-North Fork Clearwater River subwatershed (HUC 170603080804), ID0028444 among them. Its county holds 42, 0 of them major permits; ID0028444 is a minor permit.

Identity

Facility as filedUS ARMY CORPS OF ENGINEERS-DWORSHAK RESERVIOR NUTRIENT ENHANCEMENT PILOT PROJECT
Permittee as filedDWORSHAK RESERVIOR - USACOE
NPDES IDID0028444
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeFederal facility
IssuedSeptember 6, 2011
Expiration dateSeptember 30, 2016
AddressAhsahka, ID 83520
Receiving waterCLEARWATER RIVER NORTH FORK
SubwatershedFreeman Creek-North Fork Clearwater River (HUC 170603080804)

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
Nitrogen, total [as N]10380
Flow, gallons/batch8320
Nitrogen, ammonia total [as N]6180
Nitrite + Nitrate total [as N]6180
Effluent dilution ratio260

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES ID0028444.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES ID0028444.

Inspections

EPA’s inspection file holds no inspection for NPDES ID0028444.

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 ID0028444.

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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 Clean Water Act discharge permit NPDES ID0028444 for the US ARMY CORPS OF ENGINEERS-DWORSHAK RESERVIOR NUTRIENT ENHANCEMENT PILOT PROJECT in Ahsahka, ID, which discharges to the Clearwater River North Fork. The permit is administratively continued, is classed as a minor discharger, and lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance. The permit was issued September 6, 2011 and expired September 30, 2016.