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Clean Water Act discharge permit · NPDES COR427740

CDMH - INFRASTRUCTURE PHASE 2, Denver, CO: NPDES COR427740 discharge permit, effluent exceedances, inspections, penalties

CDMH - INFRASTRUCTURE PHASE 2, held by Gerald H. Phipps, Inc. / d.b.a. GH Phipps Construction Companies, holds NPDES permit COR427740. EPA’s file records it issued June 3, 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 CDMH - INFRASTRUCTURE PHASE 2: 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 COR427740.

Identity

Facility as filedCDMH - INFRASTRUCTURE PHASE 2
Permittee as filedGerald H. Phipps, Inc. / d.b.a. GH Phipps Construction Companies
NPDES IDCOR427740
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJune 3, 2025
Expiration dateMarch 31, 2029
AddressDenver, CO 80236
SubwatershedOutlet Bear Creek (HUC 101900020809)

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 COR427740.

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 COR427740.

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 COR427740 there.

Nearby on the register

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

What this page shows

CDMH - INFRASTRUCTURE PHASE 2, a general permit coverage in Denver, Colorado, is one of 301 general permit coverages in Denver County, and 19.6% of those coverages carried a violation on file. The permit lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and it sits among 25 NPDES permits in the Outlet Bear Creek subwatershed, this one included.