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Clean Water Act discharge permit · NPDES IDR10C03N

CANVASBACK SUB 1, Star, ID: NPDES IDR10C03N discharge permit, effluent exceedances, inspections, penalties

CANVASBACK SUB 1, held by Challenger Development, Inc., holds NPDES permit IDR10C03N, which discharges to Boise River. EPA’s file records it issued November 15, 2021 and expiring February 16, 2022.

CANVASBACK SUB 1, Star, Idaho: Coverage under a general permit IDR10C03N, held by Challenger Development, Inc.; Construction stormwater; Administratively continued (past its expiration date and still in force until reissued); issued November 15, 2021, term to February 16, 2022; discharges to Boise River.

Idaho holds 3,630 Construction stormwater coverages of this permit type in EPA’s file; 488 were issued before IDR10C03N. Challenger Development, Inc. holds 126 permits in Idaho.

Other permits held by Challenger Development, Inc.

Coverages issued nearest IDR10C03N

CANVASBACK SUB 1 among its neighbors

EPA’s permit file holds 197 discharge permits in the Mill Slough-Boise River subwatershed (HUC 170501140410), IDR10C03N among them.

Other permits in the Mill Slough-Boise River subwatershed (HUC 170501140410)

What the register holds for CANVASBACK SUB 1: its NPDES ID, its permit type and status, its dates, its address in Star, Idaho, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES IDR10C03N.

Identity

Facility as filedCANVASBACK SUB 1
Permittee as filedChallenger Development, Inc.
NPDES IDIDR10C03N
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 15, 2021
Expiration dateFebruary 16, 2022
AddressStar, ID 83669
Receiving waterBoise River
SubwatershedMill Slough-Boise River (HUC 170501140410)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES IDR10C03N.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES IDR10C03N.

Inspections

EPA’s inspection file holds no inspection for NPDES IDR10C03N.

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 IDR10C03N.

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, IDR10C03N.

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Nearby on the register

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

What this page shows

CANVASBACK SUB 1 is among 47 storm water construction permits on EPA's NPDES register in Star, and 0.0% of those carry a violation on file. The Mill Slough-Boise River subwatershed (HUC 170501140410) lists 197 NPDES permits, counting this record. Of the 34 storm water construction permits in Star, counting this record, 61.8% were issued before it.