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Clean Water Act discharge permit · NPDES IDR10C010

LEWISTON - NEZ PERCE COUNTY AIRPORT, Lewiston, ID: NPDES IDR10C010 discharge permit, effluent exceedances, inspections, penalties

LEWISTON - NEZ PERCE COUNTY AIRPORT, held by Knife River Corporation - Mountain West, holds NPDES permit IDR10C010, which discharges to Snake River, Bryden Canyon. EPA’s file records it issued September 17, 2021 and expiring February 16, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for LEWISTON - NEZ PERCE COUNTY AIRPORT: its NPDES ID, its permit type and status, its dates, its address in Lewiston, Idaho, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES IDR10C010.

Identity

Facility as filedLEWISTON - NEZ PERCE COUNTY AIRPORT
Permittee as filedKnife River Corporation - Mountain West
NPDES IDIDR10C010
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
IssuedSeptember 17, 2021
Expiration dateFebruary 16, 2022
AddressLewiston, ID 83501
Receiving waterSnake River, Bryden Canyon
SubwatershedAsotin Dam-Snake River (HUC 170601030307)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES IDR10C010.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES IDR10C010.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, IDR10C010.

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How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID IDR10C010 there.

Nearby on the register

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

What this page shows

LEWISTON - NEZ PERCE COUNTY AIRPORT is among 16 storm water construction permits on EPA's NPDES register in Nez Perce County, and 0.0% of those carry a violation on file. Of the 9 storm water construction permits in Nez Perce County, counting this record, 0.0% were issued earlier, and the Asotin Dam-Snake River subwatershed (HUC 170601030307) holds 11 NPDES permits.