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Clean Water Act discharge permit · NPDES SD0028436

MIDWEST RAILCAR REPAIR, INC., Brandon, SD: NPDES SD0028436 discharge permit, effluent exceedances, inspections, penalties

MIDWEST RAILCAR REPAIR, INC., held by Midwest Railcar Repair, Inc., holds NPDES permit SD0028436, which discharges to Split Rock Creek. EPA’s file records it issued November 1, 2007 and expiring September 30, 2012. 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 filedMIDWEST RAILCAR REPAIR, INC.
Permittee as filedMidwest Railcar Repair, Inc.
NPDES IDSD0028436
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedNovember 1, 2007
Expiration dateSeptember 30, 2012
Issuing agencySDDENR
AddressBrandon, SD 57005
Receiving waterSplit Rock Creek
Receiving water impaired303(D) Listed
SubwatershedSplit Rock Creek (HUC 101702031606)
Other EPA IDs (FRS)RCRA handler SDR000004143; ICIS-AIR source SD0000004609900031

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

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
Cadmium, total recoverable43525July 31, 20113,622% over the limit
Copper, total recoverable82513September 30, 2020171% over the limit
Conductivity42313October 31, 201320% over the limit
Zinc, total recoverable4186November 30, 2024129% over the limit
Temperature, water deg. fahrenheit4166September 30, 20134% over the limit
pH8133October 31, 2013
Fluoranthene693March 31, 2025203% over the limit
BOD, 5-day, 20 deg. C8122December 31, 2008420% over the limit
Oil and grease, hexane extr method8191December 31, 201614% over the limit
Solids, total dissolved4151February 28, 201773% over the limit
Lead, total recoverable4111November 30, 2024118% over the limit
Phenanthrene671May 31, 20153% over the limit
Nitrogen, nitrate total [as N]011December 31, 201912% over the limit
Flow, total2220
Chromium, total recoverable4120
Mercury, total recoverable4120
Flow rate4100
Solids, total suspended4100
Selenium, total recoverable4100
Nickel, total recoverable4100
Silver total recoverable4100
Oil and grease visual260
Oxygen, dissolved [DO]250
Chlorine, total residual210
Toxicity [acute], Ceriodaphnia dubia010
Toxicity [acute], Pimephales promelas [Fathead Minnow]010

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 SD0028436.

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.

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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 SD0028436 there.

Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act NPDES discharge permit SD0028436, held by Midwest Railcar Repair, Inc. in Brandon, SD, which discharges to Split Rock Creek and is listed as administratively continued. The page lists 23 as the discharger class, 13 pollutants under a numeric limit, and 13 pollutants with an effluent exceedance, with the permit issued November 1, 2007 and expiring September 30, 2012.