Velarion Records

Clean Water Act discharge permit · NPDES COG501726

HOGBACK MINE, Littleton, CO: NPDES COG501726 discharge permit, effluent exceedances, inspections, penalties

HOGBACK MINE, held by General Shale Brick Inc, holds NPDES permit COG501726, which discharges to Highline Canal - Unnamed Trib To South Platte Riv. EPA’s file records it issued April 6, 2017 and expiring December 31, 2021. 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.

Identity

Facility as filedHOGBACK MINE
Permittee as filedGeneral Shale Brick Inc
NPDES IDCOG501726
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedApril 6, 2017
Expiration dateDecember 31, 2021
AddressLittleton, CO 80125
Receiving waterHighline Canal - unnamed trib to South Platte Riv
SubwatershedChatfield Reservoir (HUC 101900020703)

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 COG501726.

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

DateWhat EPA recordedAgency
September 16, 2021WW Storm Water Non-Construction - Failure to Maintain RecordsST6

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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Nearby on the register

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

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