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Clean Water Act discharge permit · NPDES IDR05J10I

RUPERT FEED MILL, Rupert, ID: NPDES IDR05J10I discharge permit, effluent exceedances, inspections, penalties

RUPERT FEED MILL, held by Cargill Animal Nutrition, holds NPDES permit IDR05J10I, which discharges to Snake River. EPA’s file records it issued May 13, 2022 and expiring February 28, 2026.

RUPERT FEED MILL, Rupert, Idaho: Coverage under a general permit IDR05J10I, held by Cargill Animal Nutrition; Industrial stormwater; Administratively continued (past its expiration date and still in force until reissued); issued May 13, 2022, term to February 28, 2026, by Idaho DEQ; discharges to Snake River.

  • Solids, total suspended: 3 limits, 3 violations of any kind, 0 effluent exceedances.
  • Phosphorus, total [as P]: 3 limits, 3 violations of any kind, 0 effluent exceedances.

Idaho holds 245 Industrial stormwater coverages of this permit type in EPA’s file; 68 were issued before IDR05J10I. Cargill Animal Nutrition holds 2 permits in Idaho.

Other permits held by Cargill Animal Nutrition

Coverages issued nearest IDR05J10I

RUPERT FEED MILL among its neighbors

EPA’s permit file holds 3 discharge permits in the Snake River-Jackson subwatershed (HUC 170402091302), IDR05J10I among them. Its county holds 12, 1 of them major permits; IDR05J10I is a minor permit.

Other permits in the Snake River-Jackson subwatershed (HUC 170402091302)

Identity

Facility as filedRUPERT FEED MILL
Permittee as filedCargill Animal Nutrition
NPDES IDIDR05J10I
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
IssuedMay 13, 2022
Expiration dateFebruary 28, 2026
Issuing agencyIdaho DEQ
AddressRupert, ID 83350
Receiving waterSnake River
SubwatershedSnake River-Jackson (HUC 170402091302)
SIC2048 – Prepared Feeds

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Solids, total suspended330
Phosphorus, total [as P]330

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES IDR05J10I.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES IDR05J10I.

Inspections

EPA’s inspection file holds no inspection for NPDES IDR05J10I.

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 IDR05J10I.

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Nearby on the register

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

What this page shows

This public-records page covers NPDES permit IDR05J10I, held by Cargill Animal Nutrition for the RUPERT FEED MILL in Rupert, ID, which discharges to the Snake River within the Snake River-Jackson watershed (HUC 170402091302). The permit is administratively continued, carries a Minor Discharger class 2 designation, and lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.