Clean Water Act discharge permit · NPDES IDR053104
CENTENNIAL MINE, Island Park, ID: NPDES IDR053104 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
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 filed | CENTENNIAL MINE |
|---|---|
| Permittee as filed | JR SIMPLOT COMPANY |
| NPDES ID | IDR053104 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Industrial stormwater |
| Issued | December 9, 2015 |
| Expiration date | June 3, 2020 |
| Issuing agency | U.S. EPA |
| Address | Island Park, ID 83429 |
| Subwatershed | Willow Creek (HUC 170402020201) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
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
- 0Single-event violations
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
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, IDR053104.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
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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
- Discharge permits in Island Park
- Every permit record in Island Park, A to Z
- Discharge permits in Idaho
- Every permit record in Idaho, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.