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Clean Water Act discharge permit · NPDES COR419863

SOUTHWEST CARGO FACILITY, Denver, CO: NPDES COR419863 discharge permit, effluent exceedances, inspections, penalties

SOUTHWEST CARGO FACILITY, held by McCarthy Building Companies, inc., holds NPDES permit COR419863. EPA’s file records it issued April 6, 2023 and expiring March 31, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for SOUTHWEST CARGO FACILITY: its NPDES ID, its permit type and status, its dates, its address in Denver, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR419863.

Identity

Facility as filedSOUTHWEST CARGO FACILITY
Permittee as filedMcCarthy Building Companies, inc.
NPDES IDCOR419863
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
IssuedApril 6, 2023
Expiration dateMarch 31, 2024
Issuing agencySTA
AddressDenver, CO 80249
SubwatershedThird Creek (HUC 101900030404)
SIC1542 – Nonresidential Construction

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES COR419863.

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 COR419863.

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

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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 COR419863 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

The SOUTHWEST CARGO FACILITY permit, held by McCarthy Building Companies, inc., is one of 301 general permit coverages in Denver County, where 19.6% of such coverages carry a violation on file. It also sits among 49 NPDES permits in the Third Creek subwatershed, and it records 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.