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Clean Water Act discharge permit · NPDES COR901510

OWENS CORNING TRUMBULL ASPHALT, Denver, CO: NPDES COR901510 discharge permit, effluent exceedances, inspections, penalties

OWENS CORNING TRUMBULL ASPHALT, held by Owens Corning Roofing and Asphalt LLC, holds NPDES permit COR901510, which discharges to Marcy Gulch To South Platte River. EPA’s file records it issued July 30, 2019 and expiring December 31, 2022. 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 filedOWENS CORNING TRUMBULL ASPHALT
Permittee as filedOwens Corning Roofing and Asphalt LLC
NPDES IDCOR901510
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
ProgramIndustrial stormwater
IssuedJuly 30, 2019
Expiration dateDecember 31, 2022
AddressDenver, CO 80216
Receiving waterMarcy Gulch to South Platte River
SubwatershedCherry Creek-South Platte River (HUC 101900030304)

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
Solids, total suspended110

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COR901510.

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 COR901510.

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 COR901510 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 NPDES permit COR901510 for OWENS CORNING TRUMBULL ASPHALT in Denver, CO, held by Owens Corning Roofing and Asphalt LLC, with an administratively continued status and a Minor discharger class. The page lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, under the HUC 101900030304 subwatershed.