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Clean Water Act discharge permit · NPDES ORR807343

IMACC, Portland, OR: NPDES ORR807343 discharge permit, effluent exceedances, inspections, penalties

IMACC, held by IMACC Corporation, holds NPDES permit ORR807343. EPA’s file records it issued April 5, 2021 and expiring July 1, 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 IMACC: its NPDES ID, its permit type and status, its dates, its address in Portland, Oregon. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ORR807343.

Identity

Facility as filedIMACC
Permittee as filedIMACC Corporation
NPDES IDORR807343
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedApril 5, 2021
Expiration dateJuly 1, 2026
AddressPortland, OR 97210
Receiving water impaired303(D) Listed
SubwatershedWillamette River (HUC 170900120202)

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 ORR807343.

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 ORR807343.

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 ORR807343 there.

Nearby on the register

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

What this page shows

The IMACC storm water industrial permit (NPDES ID ORR807343) is one of 67 such permits in Multnomah County, and 32.8% of those 67 were issued before it. It is also one of 54 NPDES permits in the Willamette River subwatershed, and it has no pollutants under a numeric limit and no effluent exceedances on file.