Clean Water Act discharge permit · NPDES COR416317

CLEAR CREEK CANYON PARK: GATEWAY TO HUNTSMAN GULCH SEGMENT, Golden, CO: NPDES COR416317 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

CLEAR CREEK CANYON PARK: GATEWAY TO HUNTSMAN GULCH SEGMENT, held by Concrete Express, Inc, holds NPDES permit COR416317. EPA’s file records it issued April 6, 2022 and expiring March 31, 2024. 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.

Identity

Facility as filed	CLEAR CREEK CANYON PARK: GATEWAY TO HUNTSMAN GULCH SEGMENT
Permittee as filed	Concrete Express, Inc
NPDES ID	COR416317
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	April 6, 2022
Expiration date	March 31, 2024
Issuing agency	STA
Address	Golden, CO 80120
Subwatershed	Clear Creek Canyon (HUC 101900040402)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

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 COR416317.

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

4Single-event violations

Date	What EPA recorded	Agency
November 5, 2025	Failure to develop, maintain, or get approval of an adequate SWPPP (construction stormwater)	ST6
November 5, 2025	Failure to properly conduct construction stormwater inspections	ST6
November 5, 2025	Failure to properly install, initiate, or fully implement construction stormwater controls	ST6
November 5, 2025	Failure to properly operate or maintain construction stormwater controls	ST6

Inspections

EPA’s inspection file holds no inspection for NPDES COR416317.

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 COR416317.

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 COR416317 there.

CLEAR CREEK CANYON PARK: GATEWAY TO HUNTSMAN GULCH SEGMENT, Golden, Colorado: Coverage under a general permit COR416317, held by Concrete Express, Inc; Administratively continued (past its expiration date and still in force until reissued); issued April 6, 2022, term to March 31, 2024, by STA.

November 5, 2025: Failure to develop, maintain, or get approval of an adequate SWPPP (construction stormwater) (ST6).
November 5, 2025: Failure to properly conduct construction stormwater inspections (ST6).
November 5, 2025: Failure to properly install, initiate, or fully implement construction stormwater controls (ST6).
November 5, 2025: Failure to properly operate or maintain construction stormwater controls (ST6).

Other permits held by Concrete Express, Inc

HAPPY CANYON AT RIDGEGATE STREAM RESTORATION, Lone Tree: COR420556, issued June 12, 2023
BEAVER RANCH IMPROVEMENTS, Conifer: COR430751, issued May 4, 2026

CLEAR CREEK CANYON PARK: GATEWAY TO HUNTSMAN GULCH SEGMENT among its neighbors

EPA’s permit file holds 23 discharge permits in the Clear Creek Canyon subwatershed (HUC 101900040402), COR416317 among them. Its county holds 344, 2 of them major permits; COR416317 is a minor permit.

Other permits in the Clear Creek Canyon subwatershed (HUC 101900040402)

21795-US 6 SH 58 TO SH 119, Golden: COR411808, minor permit, permit term to March 31, 2024
B N S F 200 DEPOT ST DTL MP 15.5, Golden: COR900135, minor permit, discharging to Clear Creek - South Platte River, permit term to June 30, 2017
BP SERVICE STATION 12001, Denver: COG315182, minor permit, discharging to LITTLE DRY CREEK, permit term to October 31, 2010
BUFFALO BILL MUSEUM AND GRAVE SITE, Jefferson County: COX622015, minor permit, discharging to Groundwater, permit term to May 31, 2012
COLORADO SCHOOL OF MINES - RESIDENCE HALL VII, Golden: COR422914, minor permit, permit term to March 31, 2029
COLUMBIA SANITARY SERVICES,, Golden: COL650022, minor permit, permit term to December 31, 2025
ENERGY & MINERALS RESEARCH FACILITY, Golden: COR10F09U, minor permit, permit term to February 16, 2027
ENERGY & MINERALS RESEARCH FACILITY, Golden: COR10F09Y, minor permit, permit term to February 16, 2027
FARMERS HIGH LINE CANAL HEADWORKS, Jefferson County: COG074270, minor permit, discharging to Clear Creek, permit term to September 30, 2013
GARRETT DRIVEWAY, Golden: COR429755, minor permit, permit term to March 31, 2029

Nearby on the register

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

This public-records page covers Clean Water Act NPDES permit COR416317 for CLEAR CREEK CANYON PARK: GATEWAY TO HUNTSMAN GULCH SEGMENT in Golden, CO, held by Concrete Express, Inc, and lists its status as administratively continued with a minor discharger class. The figures on the page are 0 pollutants on file, 0 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance.