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Clean Water Act discharge permit · NPDES COR430253

DEN RUNWAY 7-25 PAVEMENT REHABILITATION, Denver, CO: NPDES COR430253 discharge permit, effluent exceedances, inspections, penalties

DEN RUNWAY 7-25 PAVEMENT REHABILITATION, held by W.W. Clyde & Co., holds NPDES permit COR430253. EPA’s file records it issued March 13, 2026 and expiring March 31, 2029. 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 DEN RUNWAY 7-25 PAVEMENT REHABILITATION: 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 COR430253.

Identity

Facility as filedDEN RUNWAY 7-25 PAVEMENT REHABILITATION
Permittee as filedW.W. Clyde & Co.
NPDES IDCOR430253
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMarch 13, 2026
Expiration dateMarch 31, 2029
AddressDenver, CO 80249
SubwatershedThird Creek (HUC 101900030404)

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 COR430253.

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 COR430253.

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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One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, COR430253.

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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 COR430253 there.

Nearby on the register

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

What this page shows

The DEN RUNWAY 7-25 PAVEMENT REHABILITATION permit, held by W.W. Clyde & Co., is one of 301 general permit coverages in Denver County, and it sits among 49 NPDES permits in the Third Creek subwatershed. Among the Denver County general permit coverages, 81.7% carry an earlier issue date than this one, and this permit has no pollutants under a numeric limit and no effluent exceedances on file.