Clean Water Act discharge permit · NPDES COR420755

ALEXAN NORTHGLENN, Northglenn, CO: NPDES COR420755 discharge permit, effluent exceedances, inspections, penalties

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

ALEXAN NORTHGLENN, held by Trammell Crow Residential, holds NPDES permit COR420755. EPA’s file records it issued June 30, 2023 and expiring March 31, 2024.

ALEXAN NORTHGLENN, Northglenn, Colorado: Coverage under a general permit COR420755, held by Trammell Crow Residential; Administratively continued (past its expiration date and still in force until reissued); issued June 30, 2023, term to March 31, 2024, by STA.

Other permits held by Trammell Crow Residential

ALEXAN BOULDER, Boulder: COR417817, issued August 12, 2022

ALEXAN NORTHGLENN among its neighbors

EPA’s permit file holds 86 discharge permits in the Middle Big Dry Creek subwatershed (HUC 101900030407), COR420755 among them. Its county holds 670, 8 of them major permits; COR420755 is a minor permit.

Other permits in the Middle Big Dry Creek subwatershed (HUC 101900030407)

11250 WADSWORTH PARKWAY (DG/DE), Broomfield: COR424164, minor permit, permit term to March 31, 2029
140TH AVENUE AND GRANT STREET PROJECT, Thornton: COD000009, minor permit, discharging to Wetlands near Big Dry Creek, permit term to August 18, 2027
25717 US 287 OPERATIONAL IMPROVEMENTS, Broomfield: COR430723, minor permit, permit term to March 31, 2029
ACADEMY OF CHARTER SCHOOLS, Westminster: COR430849, minor permit, permit term to March 31, 2029
ADAMS 12 - ROCKY TOP MIDDLE SCHOOL, Thornton: COR430329, minor permit, permit term to March 31, 2029
ADAMS 12 NUTRITION SERVICES CENTER, Westminster: COR429841, minor permit, permit term to March 31, 2029
ADAMS COUNTY PUBLIC WORKS MS4, Westminster: COR090041, minor permit, discharging to Unnamed Tributary to Big Dry Creek, permit term to March 9, 2013
AMAZON DEN3, Thornton: COR901459, minor permit, discharging to Bull Canal - Big Dry Creek, permit term to December 31, 2022
AMAZON.COM SERVICES LLC DDV2, Thornton: COR901550, minor permit, discharging to tributary to South Platte River, permit term to December 31, 2022
ARISTA APARTMENTS, Broomfield: COR418646, minor permit, permit term to March 31, 2024

What the register holds for ALEXAN NORTHGLENN: its NPDES ID, its permit type and status, its dates, its address in Northglenn, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR420755.

Identity

Facility as filed	ALEXAN NORTHGLENN
Permittee as filed	Trammell Crow Residential
NPDES ID	COR420755
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	June 30, 2023
Expiration date	March 31, 2024
Issuing agency	STA
Address	Northglenn, CO 80234
Subwatershed	Middle Big Dry Creek (HUC 101900030407)

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 COR420755.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES COR420755.

Inspections

EPA’s inspection file holds no inspection for NPDES COR420755.

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 COR420755.

Watch this permit

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Nearby on the register

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

This public-records page covers NPDES permit COR420755 for ALEXAN NORTHGLENN in Northglenn, CO, held by Trammell Crow Residential, with a status of administratively continued and a discharger class of Minor. The listed figures are 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and the permit was issued June 30, 2023 and expires March 31, 2024.