Clean Water Act discharge permit · NPDES COR426120

ARVADA NORTH TRUNK SEWER IMPROVEMENT NTL7, Westminster, CO: NPDES COR426120 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

ARVADA NORTH TRUNK SEWER IMPROVEMENT NTL7, held by GARNEY COMPANIES, INC., holds NPDES permit COR426120. EPA’s file records it issued December 10, 2024 and expiring March 31, 2029.

ARVADA NORTH TRUNK SEWER IMPROVEMENT NTL7, Westminster, Colorado: Coverage under a general permit COR426120, held by GARNEY COMPANIES, INC.; Effective; issued December 10, 2024, term to March 31, 2029, by STA.

ARVADA NORTH TRUNK SEWER IMPROVEMENT NTL7 among its neighbors

EPA’s permit file holds 69 discharge permits in the Outlet Clear Creek subwatershed (HUC 101900040404), COR426120 among them. Its county holds 344, 2 of them major permits; COR426120 is a minor permit.

Other permits in the Outlet Clear Creek subwatershed (HUC 101900040404)

23780 FEDERAL RESURFACING I70 TO 92ND, Westminster: COR425528, minor permit, permit term to March 31, 2029
24323 I-70 SOUNDWALL, Denver: COR412997, minor permit, permit term to March 31, 2024
26482 I-76 RESURFACING, Denver: COR430219, minor permit, permit term to March 31, 2029
46TH AND TENNYSON APARTMENTS, Denver: COR419237, minor permit, permit term to March 31, 2024
53RD AND TENNYSON LLC, Denver: COR431085, minor permit, permit term to March 31, 2029
62 AVE ASPHALT PLANT, Denver: COR901573, minor permit, discharging to drainage ditch to Clear Creek, permit term to December 31, 2025
ALPINE WASTE AND RECYCLING, Denver: COR901327, minor permit, discharging to storm sewer - Clear Creek, permit term to June 30, 2017
AMAZON.COM SERVICES DDE9, Denver: COR901572, minor permit, discharging to Clear Creek, permit term to December 31, 2025
BATCH PLANT #7, Denver: COR900801, minor permit, discharging to Clear Creek -South Platte River, permit term to June 30, 2017
BELLIO TRUCKING AND GLOBAL EQUIPMENT, Denver: COR900900, minor permit, discharging to Clear Creek tributary to the South Platte River, permit term to June 30, 2017

What the register holds for ARVADA NORTH TRUNK SEWER IMPROVEMENT NTL7: its NPDES ID, its permit type and status, its dates, its address in Westminster, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR426120.

Identity

Facility as filed	ARVADA NORTH TRUNK SEWER IMPROVEMENT NTL7
Permittee as filed	GARNEY COMPANIES, INC.
NPDES ID	COR426120
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	December 10, 2024
Expiration date	March 31, 2029
Issuing agency	STA
Address	Westminster, CO 80003
Subwatershed	Outlet Clear Creek (HUC 101900040404)

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES COR426120.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES COR426120.

Inspections

EPA’s inspection file holds no inspection for NPDES COR426120.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES COR426120.

Watch this permit

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, COR426120.

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Nearby on the register

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

This public-records page covers the Clean Water Act discharge permit NPDES COR426120 for ARVADA NORTH TRUNK SEWER IMPROVEMENT NTL7 in Westminster, CO, held by GARNEY COMPANIES, INC., with a permit status of Effective and a Minor discharger class. The page lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.