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Clean Water Act discharge permit · NPDES IDR10C18Z

CLEARCREEK SUBDIVISION, Nampa, ID: NPDES IDR10C18Z discharge permit, effluent exceedances, inspections, penalties

CLEARCREEK SUBDIVISION, held by Trilogy Development, Inc., holds NPDES permit IDR10C18Z, which discharges to Wilson Drain. EPA’s file records it issued January 10, 2022 and expiring February 9, 2027.

CLEARCREEK SUBDIVISION, Nampa, Idaho: Coverage under a general permit IDR10C18Z, held by Trilogy Development, Inc.; Effective; issued January 10, 2022, term to February 9, 2027; discharges to Wilson Drain; New Single-Family Housing Construction [except For-Sale Builders].

  • August 17, 2026: State CWA Penalty AO (State), $7,875 state or local penalty.

Other permits held by Trilogy Development, Inc.

CLEARCREEK SUBDIVISION among its neighbors

EPA’s permit file holds 358 discharge permits in the Lower Indian Creek subwatershed (HUC 170501140507), IDR10C18Z among them.

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

Identity

Facility as filedCLEARCREEK SUBDIVISION
Permittee as filedTrilogy Development, Inc.
NPDES IDIDR10C18Z
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJanuary 10, 2022
Expiration dateFebruary 9, 2027
AddressNampa, ID 83651
Receiving waterWilson Drain
SubwatershedLower Indian Creek (HUC 170501140507)
NAICS236115 – New Single-Family Housing Construction [except For-Sale Builders]
SIC1521 – Single-Family Housing Construction

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES IDR10C18Z.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES IDR10C18Z.

Inspections

EPA’s inspection file holds no inspection for NPDES IDR10C18Z.

Formal enforcement and penalties

1 formal actions, 1 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.

DateWhat EPA recordedAgencyFederal penaltyState or local penalty
August 17, 2026State CWA Penalty AOState$7,875

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES IDR10C18Z.

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, IDR10C18Z.

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

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Nearby on the register

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

What this page shows

Among Nampa's 20 general permit coverages, 0.0% have a violation on file, and CLEARCREEK SUBDIVISION is in that group. Lower Indian Creek holds 358 NPDES permits, including this filing from Trilogy Development, Inc. Of the 8 general permit coverages in Nampa counting this filing, 0.0% were issued before this permit.