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Clean Water Act discharge permit · NPDES IDR053104

CENTENNIAL MINE, Island Park, ID: NPDES IDR053104 discharge permit, effluent exceedances, inspections, penalties

CENTENNIAL MINE, held by JR SIMPLOT COMPANY, holds NPDES permit IDR053104. EPA’s file records it issued December 9, 2015 and expiring June 3, 2020. 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 CENTENNIAL MINE: its NPDES ID, its permit type and status, its dates, its address in Island Park, Idaho. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES IDR053104.

Identity

Facility as filedCENTENNIAL MINE
Permittee as filedJR SIMPLOT COMPANY
NPDES IDIDR053104
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
ProgramIndustrial stormwater
IssuedDecember 9, 2015
Expiration dateJune 3, 2020
Issuing agencyU.S. EPA
AddressIsland Park, ID 83429
SubwatershedWillow Creek (HUC 170402020201)

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 IDR053104.

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 IDR053104.

Inspections

EPA’s inspection file holds no inspection for NPDES IDR053104.

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 IDR053104.

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

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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 IDR053104 there.

Nearby on the register

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

What this page shows

CENTENNIAL MINE is in a county listing 2 storm water industrial permits on EPA's NPDES register, this permit included. The Willow Creek subwatershed, coded HUC 170402020201, lists 2 NPDES permits, this permit included. The permit lists 0 pollutants under a numeric limit and 0 with an effluent exceedance.