Clean Water Act discharge permit · NPDES COR426043

JACKASS GULCH, Littleton, CO: NPDES COR426043 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

JACKASS GULCH, held by Mile High Flood District, holds NPDES permit COR426043. EPA’s file records it issued December 5, 2024 and expiring March 31, 2029.

JACKASS GULCH, Littleton, Colorado: Coverage under a general permit COR426043, held by Mile High Flood District; Effective; issued December 5, 2024, term to March 31, 2029.

Other permits held by Mile High Flood District

CLEAR CREEK STABILIZATION, Welby: COR419418, issued February 10, 2023
UNNAMED CREEK REACH 9, Aurora: COR424301, issued June 27, 2024
NISSEN RESERVOIR DRAINAGE - PHASE 1, Broomfield: COR424775, issued August 1, 2024
CHERRY CREEK UPSTREAM OF SCOTT AVENUE, Parker: COR425147, issued September 26, 2024
COAL CREEK AT 2ND AVENUE TO MCCASLIN BLVD, Superior: COR426313, issued January 8, 2025
DRAINAGE D CHANNEL IMPROVEMENTS, Louisville: COR426337, issued January 9, 2025
MURPHY CREEK DOWNSTREAM OF ORCHARD, Aurora: COR426823, issued March 5, 2025
GOLDSMITH GULCH WEST TRIBUTARY AT CALEY POND, Greenwood Village: COR428182, issued July 18, 2025
UPPER BRANDY REPAIRS, Parker: COR428908, issued October 3, 2025
JORDAN TRIBUTARY REACH B AND C, Parker: COR429158, issued November 10, 2025

JACKASS GULCH among its neighbors

EPA’s permit file holds 85 discharge permits in the Dutch Creek-South Platte River subwatershed (HUC 101900020901), COR426043 among them. Its county holds 449, 3 of them major permits; COR426043 is a minor permit.

Other permits in the Dutch Creek-South Platte River subwatershed (HUC 101900020901)

16 W DRY CREEK APARTMENTS, Littleton: COR430449, minor permit, permit term to March 31, 2029
22975 - LITTLETON - HINSDALE DR AND WINDERMERE ST - REPLACEMENT, Littleton: COR430857, minor permit, permit term to March 31, 2029
700 SHADYCROFT, Littleton: COR425919, minor permit, permit term to March 31, 2029
AMLI LV SOUTH PARCEL, Littleton: COR424329, minor permit, permit term to March 31, 2029
ANGELINE TOLL BROTHERS, Littleton: COR423064, minor permit, permit term to March 31, 2029
ANTHEM HIGHLANDS - PULTE HOMES, Broomfield: COR03E169, not classed, permit term to June 30, 2012
ANTHEM RANCH - PULTE HOMES, Broomfield: COR03E171, not classed
ASCENTIA REAL ESTATE HOLDING COMPANY LLC, Littleton: COL028908, minor permit, permit term to December 31, 2025
BEST BLOCK NORTH PLANT LITTLETON, City Of Littleton: COR900270, minor permit, discharging to Highline Canal - Second Creek, permit term to June 30, 2017
BRECKENRIDGE BREWERY, Littleton: COR901462, minor permit, discharging to South Platte River, permit term to December 31, 2022

What the register holds for JACKASS GULCH: its NPDES ID, its permit type and status, its dates, its address in Littleton, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR426043.

Identity

Facility as filed	JACKASS GULCH
Permittee as filed	Mile High Flood District
NPDES ID	COR426043
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	Littleton, CO 80120
Subwatershed	Dutch Creek-South Platte River (HUC 101900020901)

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 COR426043.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES COR426043.

Inspections

EPA’s inspection file holds no inspection for NPDES COR426043.

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 COR426043.

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 Clean Water Act discharge permit NPDES COR426043 for JACKASS GULCH in Littleton, CO, held by Mile High Flood District, with a status of Effective, a Minor discharger class, and coverage under a general permit. The register lists zero pollutants under a numeric limit and zero pollutants with an effluent exceedance, and records no effluent or single-event violation for this permit. The permit was issued December 5, 2024 and expires March 31, 2029, with the status as of September 15, 2026.