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Clean Water Act discharge permit · NPDES IDR10C1RV

CITY OF NAMPA AIRPORT, Nampa, ID: NPDES IDR10C1RV discharge permit, effluent exceedances, inspections, penalties

CITY OF NAMPA AIRPORT, held by City of Nampa, holds NPDES permit IDR10C1RV, which discharges to Mason Creek. EPA’s file records it issued January 10, 2022 and expiring February 9, 2027.

CITY OF NAMPA AIRPORT, Nampa, Idaho: Coverage under a general permit IDR10C1RV, held by City of Nampa; Construction stormwater; Effective; issued January 10, 2022, term to February 9, 2027; discharges to Mason Creek.

Idaho holds 3,630 Construction stormwater coverages of this permit type in EPA’s file; 576 were issued before IDR10C1RV. City of Nampa holds 19 permits in Idaho.

Other permits held by City of Nampa

Coverages issued nearest IDR10C1RV

CITY OF NAMPA AIRPORT among its neighbors

EPA’s permit file holds 360 discharge permits in the Mason Creek subwatershed (HUC 170501140407), IDR10C1RV among them. Its county holds 377, 2 of them major permits; IDR10C1RV is a minor permit.

Other permits in the Mason Creek subwatershed (HUC 170501140407)

What the register holds for CITY OF NAMPA AIRPORT: its NPDES ID, its permit type and status, its dates, its address in Nampa, Idaho, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES IDR10C1RV.

Identity

Facility as filedCITY OF NAMPA AIRPORT
Permittee as filedCity of Nampa
NPDES IDIDR10C1RV
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJanuary 10, 2022
Expiration dateFebruary 9, 2027
AddressNampa, ID 83687
Receiving waterMason Creek
SubwatershedMason Creek (HUC 170501140407)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES IDR10C1RV.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES IDR10C1RV.

Inspections

EPA’s inspection file holds no inspection for NPDES IDR10C1RV.

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 IDR10C1RV.

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, IDR10C1RV.

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Nearby on the register

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

What this page shows

Of the 308 storm water construction permits in Canyon County, 0.0% carry a violation on file, and CITY OF NAMPA AIRPORT is among them. The Mason Creek subwatershed holds 360 NPDES permits, this permit included. Of the 269 Canyon County storm water construction permits that include this permit, 10.0% were issued earlier than this permit.