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Clean Water Act discharge permit · NPDES COR426998

DENVER GATEWAY CENTER NORTH FILING NO. 7, Denver, CO: NPDES COR426998 discharge permit, effluent exceedances, inspections, penalties

DENVER GATEWAY CENTER NORTH FILING NO. 7, held by Duran Excavating, Inc., holds NPDES permit COR426998. EPA’s file records it issued March 18, 2025 and expiring March 31, 2029. 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 DENVER GATEWAY CENTER NORTH FILING NO. 7: 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 COR426998.

Identity

Facility as filedDENVER GATEWAY CENTER NORTH FILING NO. 7
Permittee as filedDuran Excavating, Inc.
NPDES IDCOR426998
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMarch 18, 2025
Expiration dateMarch 31, 2029
AddressDenver, CO 80249
SubwatershedFirst Creek (HUC 101900030401)

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 COR426998.

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 COR426998.

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 COR426998 there.

Nearby on the register

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

What this page shows

The Denver Gateway Center North Filing No. 7 permit, held by Duran Excavating, Inc., is one of 301 general permit coverages in Denver County, and 19.6% of those coverages have a violation on file. The permit sits within the First Creek subwatershed, which contains 131 NPDES permits including this one, and 54.5% of the county's 301 coverages were issued before this one. The permit records no pollutants under a numeric limit and no pollutants with an effluent exceedance.