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Clean Water Act discharge permit · NPDES IDG911004

IDAHO FALLS POLE YARD, Idaho Falls, ID: NPDES IDG911004 discharge permit, effluent exceedances, inspections, penalties

IDAHO FALLS POLE YARD, held by PACIFICORP, holds NPDES permit IDG911004, which discharges to Snake River. EPA’s file records it issued August 4, 2014 and expiring September 14, 2019. 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.

Identity

Facility as filedIDAHO FALLS POLE YARD
Permittee as filedPACIFICORP
NPDES IDIDG911004
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
IssuedAugust 4, 2014
Expiration dateSeptember 14, 2019
AddressIdaho Falls, ID 83402
Receiving waterSnake River
SubwatershedTown of Shelley-Snake River (HUC 170402060301)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

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
Zinc, total recoverable242July 31, 2016308% over the limit
Chromium, trivalent total recoverable240
Chromium, hexavalent tot recoverable240
Flow, in conduit or thru treatment plant230
pH220
Solids, total suspended220
Iron, total recoverable220
Nickel, total recoverable220
Benzene220
Acenaphthylene220
Acenaphthene220
Anthracene220
Benzo[b]fluoranthene220
Benzo[k]fluoranthene220
Benzo[a]pyrene220
Chrysene220
Fluoranthene220
Fluorene220
Indeno[1,2,3-cd]pyrene220
Phenanthrene220
Pyrene220
Benzo[ghi]perylene220
Benzo[a]anthracene220
Dibenz[a,h]anthracene220
Naphthalene220
Petrol hydrocarbons, total recoverable220
BTEX220
Toxicity, Chronic220
Temperature, water deg. centigrade120

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 IDG911004.

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, IDG911004.

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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 IDG911004 there.

Nearby on the register

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