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Clean Water Act discharge permit · NPDES WIG009938

OSHKOSH CORP SITE, Oshkosh, WI: NPDES WIG009938 discharge permit, effluent exceedances, inspections, penalties

OSHKOSH CORP SITE, held by Oshkosh Corp Site, holds NPDES permit WIG009938. EPA’s file records it issued October 1, 2021 and expiring September 30, 2026. 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 OSHKOSH CORP SITE: its NPDES ID, its permit type and status, its dates, its address in Oshkosh, Wisconsin. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES WIG009938.

Identity

Facility as filedOSHKOSH CORP SITE
Permittee as filedOshkosh Corp Site
NPDES IDWIG009938
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedOctober 1, 2021
Expiration dateSeptember 30, 2026
AddressOshkosh, WI 54903
SubwatershedWillow Harbor-Frontal Lake Winnebago (HUC 040302030102)

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 WIG009938.

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 WIG009938.

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 WIG009938 there.

Nearby on the register

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

What this page shows

The OSHKOSH CORP SITE permit, NPDES ID WIG009938, is one of 141 general permit coverages on EPA's NPDES register in Winnebago County, this one included. Of those 141 coverages, 0.0% have a violation on file, and 0.0% carry an issue date earlier than this permit's October 1, 2021 issue date. Among the 14 NPDES permits in the Willow Harbor-Frontal Lake Winnebago subwatershed, this one is counted alongside its neighbors, and it records no pollutants under a numeric limit and no effluent exceedances.