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Clean Water Act discharge permit · NPDES IDR1002ZY

DON PLANT PRELIMINARY EAST STACK IMPROVEMENTS, Pocatello, ID: NPDES IDR1002ZY discharge permit, effluent exceedances, inspections, penalties

DON PLANT PRELIMINARY EAST STACK IMPROVEMENTS, held by J.R. Simplot Company, holds NPDES permit IDR1002ZY. EPA’s file records it issued March 11, 2021 and expiring February 15, 2022. 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 DON PLANT PRELIMINARY EAST STACK IMPROVEMENTS: its NPDES ID, its permit type and status, its dates, its address in Pocatello, Idaho. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES IDR1002ZY.

Identity

Facility as filedDON PLANT PRELIMINARY EAST STACK IMPROVEMENTS
Permittee as filedJ.R. Simplot Company
NPDES IDIDR1002ZY
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
IssuedMarch 11, 2021
Expiration dateFebruary 15, 2022
Issuing agencyU.S. EPA
AddressPocatello, ID 83204
Receiving water impaired303(D) Listed
SubwatershedTrail Creek-Portneuf River (HUC 170402080507)

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 IDR1002ZY.

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 IDR1002ZY.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

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, IDR1002ZY.

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  • 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 IDR1002ZY there.

Nearby on the register

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

What this page shows

DON PLANT PRELIMINARY EAST STACK IMPROVEMENTS is among the 40 storm water construction permits in Pocatello, where 0.0% carry a violation on file. Counting this one, the Trail Creek-Portneuf River subwatershed holds 36 NPDES permits on the register. Of the 16 storm water construction permits in Pocatello, counting this one, 12.5% carry an earlier issue date than this filing.