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Clean Water Act discharge permit · NPDES COR428182

GOLDSMITH GULCH WEST TRIBUTARY AT CALEY POND, Greenwood Village, CO: NPDES COR428182 discharge permit, effluent exceedances, inspections, penalties

GOLDSMITH GULCH WEST TRIBUTARY AT CALEY POND, held by Mile High Flood District, holds NPDES permit COR428182. EPA’s file records it issued July 18, 2025 and expiring March 31, 2029. 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.

What the register holds for GOLDSMITH GULCH WEST TRIBUTARY AT CALEY POND: its NPDES ID, its permit type and status, its dates, its address in Greenwood Village, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR428182.

Identity

Facility as filedGOLDSMITH GULCH WEST TRIBUTARY AT CALEY POND
Permittee as filedMile High Flood District
NPDES IDCOR428182
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJuly 18, 2025
Expiration dateMarch 31, 2029
AddressGreenwood Village, CO 80111
SubwatershedCherry Creek-South Platte River (HUC 101900030304)

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

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES COR428182.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES COR428182.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

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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 COR428182 there.

Nearby on the register

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

What this page shows

The GOLDSMITH GULCH WEST TRIBUTARY AT CALEY POND permit is one of 360 general permit coverages in Arapahoe County, and 10.8% of those coverages have a violation on file. The permit also sits within the Cherry Creek-South Platte River subwatershed, which contains 219 NPDES permits, this one included. Of all 360 Arapahoe County general permit coverages, 58.3% were issued earlier than this one, and the permit has no pollutants under a numeric limit and no effluent exceedances.