Velarion Records

Clean Water Act discharge permit · NPDES SDR10K793

WILSON TRAILER EXPANSION, Lennox, SD: NPDES SDR10K793 discharge permit, effluent exceedances, inspections, penalties

WILSON TRAILER EXPANSION, held by Wilson Trailer Expansion, holds NPDES permit SDR10K793, which discharges to Vermillion River. EPA’s file records it issued August 1, 2022 and expiring March 31, 2023. 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 WILSON TRAILER EXPANSION: its NPDES ID, its permit type and status, its dates, its address in Lennox, South Dakota, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES SDR10K793.

Identity

Facility as filedWILSON TRAILER EXPANSION
Permittee as filedWilson Trailer Expansion
NPDES IDSDR10K793
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
IssuedAugust 1, 2022
Expiration dateMarch 31, 2023
Issuing agencyState
AddressLennox, SD 57039
Receiving waterVermillion River
SubwatershedLake Albert (HUC 101701021002)

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 SDR10K793.

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 SDR10K793.

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, SDR10K793.

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  • 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 SDR10K793 there.

Nearby on the register

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

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