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Clean Water Act discharge permit · NPDES IDR10020J

COPPER RIVER BASIN SUBDIVISION NO. 8, Nampa, ID: NPDES IDR10020J discharge permit, effluent exceedances, inspections, penalties

COPPER RIVER BASIN SUBDIVISION NO. 8, held by Challenger Development, Inc., holds NPDES permit IDR10020J. EPA’s file records it issued August 26, 2019 and expiring February 15, 2022.

COPPER RIVER BASIN SUBDIVISION NO. 8, Nampa, Idaho: Coverage under a general permit IDR10020J, held by Challenger Development, Inc.; Construction stormwater; Administratively continued (past its expiration date and still in force until reissued); issued August 26, 2019, term to February 15, 2022, by U.S. EPA.

Idaho holds 3,630 Construction stormwater coverages of this permit type in EPA’s file; 67 were issued before IDR10020J. Challenger Development, Inc. holds 126 permits in Idaho.

Other permits held by Challenger Development, Inc.

Coverages issued nearest IDR10020J

COPPER RIVER BASIN SUBDIVISION NO. 8 among its neighbors

EPA’s permit file holds 358 discharge permits in the Lower Indian Creek subwatershed (HUC 170501140507), IDR10020J among them.

Other permits in the Lower Indian Creek subwatershed (HUC 170501140507)

What the register holds for COPPER RIVER BASIN SUBDIVISION NO. 8: its NPDES ID, its permit type and status, its dates, its address in Nampa, Idaho. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES IDR10020J.

Identity

Facility as filedCOPPER RIVER BASIN SUBDIVISION NO. 8
Permittee as filedChallenger Development, Inc.
NPDES IDIDR10020J
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
IssuedAugust 26, 2019
Expiration dateFebruary 15, 2022
Issuing agencyU.S. EPA
AddressNampa, ID 83686
SubwatershedLower Indian Creek (HUC 170501140507)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES IDR10020J.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES IDR10020J.

Inspections

EPA’s inspection file holds no inspection for NPDES IDR10020J.

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 IDR10020J.

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, IDR10020J.

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Nearby on the register

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

What this page shows

Among the 208 storm water construction permits in Nampa, 0.0% have a violation on file. Of all 84 storm water construction permits in Nampa, counting this one, 7.1% were issued earlier than this permit. COPPER RIVER BASIN SUBDIVISION NO. 8 is one of 358 NPDES permits in the Lower Indian Creek subwatershed, and it shows 0 pollutants under a numeric limit.