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Clean Water Act discharge permit · NPDES COR429463

DEEP CREEK MESA RANCH ROAD, Telluride, CO: NPDES COR429463 discharge permit, effluent exceedances, inspections, penalties

DEEP CREEK MESA RANCH ROAD, held by ACM Excavation LLC, holds NPDES permit COR429463. EPA’s file records it issued December 31, 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 DEEP CREEK MESA RANCH ROAD: its NPDES ID, its permit type and status, its dates, its address in Telluride, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR429463.

Identity

Facility as filedDEEP CREEK MESA RANCH ROAD
Permittee as filedACM Excavation LLC
NPDES IDCOR429463
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedDecember 31, 2025
Expiration dateMarch 31, 2029
AddressTelluride, CO 81435
SubwatershedHeadwaters San Miguel River (HUC 140300030106)

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 COR429463.

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 COR429463.

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 COR429463 there.

Nearby on the register

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

What this page shows

The Clean Water Act discharge permit filed as DEEP CREEK MESA RANCH ROAD, held by ACM Excavation LLC in Telluride, San Miguel County, Colorado, is one of 40 general permit coverages on EPA's NPDES register in San Miguel County, this one included. Of those 40 general permit coverages, 80.0% carry an earlier issue date than this permit, which was issued December 31, 2025. The permit sits within the Headwaters San Miguel River subwatershed, where 23 NPDES permits are listed, this one included, and it records no pollutants under a numeric limit and no effluent exceedances.