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Clean Water Act discharge permit · NPDES COR427938

WILD HORSE RESERVOIR, Hartsel, CO: NPDES COR427938 discharge permit, effluent exceedances, inspections, penalties

WILD HORSE RESERVOIR, held by Flatiron Constructors, Inc., holds NPDES permit COR427938. EPA’s file records it issued July 1, 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 WILD HORSE RESERVOIR: its NPDES ID, its permit type and status, its dates, its address in Hartsel, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR427938.

Identity

Facility as filedWILD HORSE RESERVOIR
Permittee as filedFlatiron Constructors, Inc.
NPDES IDCOR427938
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJuly 1, 2025
Expiration dateMarch 31, 2029
AddressHartsel, CO 80449
SubwatershedSpinney Mountain (HUC 101900010301)

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 COR427938.

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 COR427938.

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.

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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 COR427938 there.

Nearby on the register

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

What this page shows

Wild Horse Reservoir, a Colorado general permit coverage held by Flatiron Constructors, Inc., is one of 2 NPDES permits in the Spinney Mountain subwatershed, including this one. Of the 26 general permit coverages in Park County, 61.5% have a violation on file, and this permit is not among them, as it has zero pollutants with an effluent exceedance. The permit sits among 26 general permit coverages in Park County, and 69.2% of that group carry an earlier issue date than this one.