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Clean Water Act discharge permit · NPDES COR425195

OLD ST. VRAIN ROAD REACH RESTORATION, Lyons, CO: NPDES COR425195 discharge permit, effluent exceedances, inspections, penalties

OLD ST. VRAIN ROAD REACH RESTORATION, held by Left Hand Excavating, holds NPDES permit COR425195. EPA’s file records it issued September 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 OLD ST. VRAIN ROAD REACH RESTORATION: its NPDES ID, its permit type and status, its dates, its address in Lyons, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR425195.

Identity

Facility as filedOLD ST. VRAIN ROAD REACH RESTORATION
Permittee as filedLeft Hand Excavating
NPDES IDCOR425195
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedSeptember 9, 2024
Expiration dateMarch 31, 2029
AddressLyons, CO 80540
SubwatershedOutlet South Saint Vrain Creek (HUC 101900050103)

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 COR425195.

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 COR425195.

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 COR425195 there.

Nearby on the register

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

What this page shows

The OLD ST. VRAIN ROAD REACH RESTORATION general permit coverage, held by Left Hand Excavating in Lyons, is one of 251 general permit coverages in Boulder County, and it is one of 4 NPDES permits in the Outlet South Saint Vrain Creek subwatershed, including this one. It has no pollutants under a numeric limit and no pollutants with an effluent exceedance.