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Clean Water Act discharge permit · NPDES COR421041

HORIZON MECHANICAL SOLUTIONS, Greeley, CO: NPDES COR421041 discharge permit, effluent exceedances, inspections, penalties

HORIZON MECHANICAL SOLUTIONS, held by Roche Constructors, holds NPDES permit COR421041. EPA’s file records it issued August 1, 2023 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.

What the register holds for HORIZON MECHANICAL SOLUTIONS: its NPDES ID, its permit type and status, its dates, its address in Greeley, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR421041.

Identity

Facility as filedHORIZON MECHANICAL SOLUTIONS
Permittee as filedRoche Constructors
NPDES IDCOR421041
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedAugust 1, 2023
Expiration dateMarch 31, 2024
Issuing agencySTA
AddressGreeley, CO 80634
SubwatershedSheep Draw (HUC 101900071004)

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 COR421041.

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 COR421041.

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 COR421041 there.

Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act NPDES permit COR421041, held by Horizon Mechanical Solutions in Greeley, CO, with the permittee listed as Roche Constructors. The page lists the permit as administratively continued, a Minor discharger class with 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.