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Clean Water Act discharge permit · NPDES COR428034

COPPER MOUNTAIN WASTEWATER TREATMENT FACILITY, Frisco, CO: NPDES COR428034 discharge permit, effluent exceedances, inspections, penalties

COPPER MOUNTAIN WASTEWATER TREATMENT FACILITY, held by Archer Western Construction, holds NPDES permit COR428034. EPA’s file records it issued July 8, 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 COPPER MOUNTAIN WASTEWATER TREATMENT FACILITY: its NPDES ID, its permit type and status, its dates, its address in Frisco, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR428034.

Identity

Facility as filedCOPPER MOUNTAIN WASTEWATER TREATMENT FACILITY
Permittee as filedArcher Western Construction
NPDES IDCOR428034
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJuly 8, 2025
Expiration dateMarch 31, 2029
AddressFrisco, CO 80443
SubwatershedWest Tenmile Creek (HUC 140100020302)

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 COR428034.

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 COR428034.

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 COR428034 there.

Nearby on the register

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

What this page shows

Summit County has 65 general permit coverages on EPA's NPDES register, and 27.7% of those 65 carry a violation on file. The West Tenmile Creek subwatershed (HUC 140100020302) includes 4 NPDES permits, among them COPPER MOUNTAIN WASTEWATER TREATMENT FACILITY in Frisco.