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Clean Water Act discharge permit · NPDES COR040079

HENDERSON MINE AND MILL, Empire, CO: NPDES COR040079 discharge permit, effluent exceedances, inspections, penalties

HENDERSON MINE AND MILL, held by Climax Molybdenum Company, holds NPDES permit COR040079, which discharges to West Fork Clear Creek. EPA’s file records it issued October 1, 2006 and expiring September 30, 2011. 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 HENDERSON MINE AND MILL: its NPDES ID, its permit type and status, its dates, its address in Empire, Colorado, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR040079.

Identity

Facility as filedHENDERSON MINE AND MILL
Permittee as filedClimax Molybdenum Company
NPDES IDCOR040079
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedOctober 1, 2006
Expiration dateSeptember 30, 2011
AddressEmpire, CO 80438
Receiving waterWest Fork Clear Creek
SubwatershedUpper Williams Fork (HUC 140100010404)

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 COR040079.

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 COR040079.

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

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, COR040079.

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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 COR040079 there.

Nearby on the register

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

What this page shows

The HENDERSON MINE AND MILL permit is one of 3 NPDES permits in the Upper Williams Fork subwatershed, this one included, and one of 5 individual permits in Clear Creek County, this one included. Among those 5 county permits, 80.0% have a violation on file, while this permit records 0 pollutants with an effluent exceedance and 0 pollutants under a numeric limit.