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Clean Water Act discharge permit · NPDES COR423823

LOT C5 COBBLE CREEK, Montrose, CO: NPDES COR423823 discharge permit, effluent exceedances, inspections, penalties

LOT C5 COBBLE CREEK, held by CML, Inc, holds NPDES permit COR423823. EPA’s file records it issued May 9, 2024 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 LOT C5 COBBLE CREEK: its NPDES ID, its permit type and status, its dates, its address in Montrose, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR423823.

Identity

Facility as filedLOT C5 COBBLE CREEK
Permittee as filedCML, Inc
NPDES IDCOR423823
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMay 9, 2024
Expiration dateMarch 31, 2029
AddressMontrose, CO 81401
SubwatershedHappy Canyon Creek (HUC 140200060403)

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 COR423823.

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 COR423823.

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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How we handle your data → Privacy

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 COR423823 there.

Nearby on the register

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

What this page shows

LOT C5 COBBLE CREEK is among 137 general permit coverages in Montrose County, and 6.6% of them carry a violation on file. Counting this permit, 18.2% of the Montrose County coverages were issued earlier, and the Happy Canyon Creek subwatershed holds 15 NPDES permits.