Clean Water Act discharge permit · NPDES COR426025

ASPEN CREEK FILING NO. 8-BOULDER CREEK, Broomfield, CO: NPDES COR426025 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

ASPEN CREEK FILING NO. 8-BOULDER CREEK, held by Boulder Creek Dillon Pointe LLC, holds NPDES permit COR426025. EPA’s file records it issued December 5, 2024 and expiring March 31, 2029.

ASPEN CREEK FILING NO. 8-BOULDER CREEK, Broomfield, Colorado: Coverage under a general permit COR426025, held by Boulder Creek Dillon Pointe LLC; Effective; issued December 5, 2024, term to March 31, 2029.

ASPEN CREEK FILING NO. 8-BOULDER CREEK among its neighbors

EPA’s permit file holds 86 discharge permits in the Middle Big Dry Creek subwatershed (HUC 101900030407), COR426025 among them. Its county holds 87, 0 of them major permits; COR426025 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
ALEXAN NORTHGLENN, Northglenn: COR420755, minor permit, permit term to March 31, 2024
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

What the register holds for ASPEN CREEK FILING NO. 8-BOULDER CREEK: its NPDES ID, its permit type and status, its dates, its address in Broomfield, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR426025.

Identity

Facility as filed	ASPEN CREEK FILING NO. 8-BOULDER CREEK
Permittee as filed	Boulder Creek Dillon Pointe LLC
NPDES ID	COR426025
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	December 5, 2024
Expiration date	March 31, 2029
Address	Broomfield, CO 80020
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 COR426025.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES COR426025.

Inspections

EPA’s inspection file holds no inspection for NPDES COR426025.

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 COR426025.

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, COR426025.

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Nearby on the register

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

5.8% of the 69 general permit coverages in Broomfield County have a violation on file. ASPEN CREEK FILING NO. 8-BOULDER CREEK is one of 69 general permit coverages in Broomfield County, and 86 NPDES permits sit in the Middle Big Dry Creek subwatershed, this permit included.