Clean Water Act discharge permit · NPDES COG502123
CHIEFTAN NORTH MINE, Lakewood, CO: NPDES COG502123 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
CHIEFTAN NORTH MINE, held by General Shale Brick Inc, holds NPDES permit COG502123, which discharges to Unnamed Tributary - Bear Creek. EPA’s file records it issued April 24, 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.
What the register holds for CHIEFTAN NORTH MINE: its NPDES ID, its permit type and status, its dates, its address in Lakewood, Colorado, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COG502123.
Identity
| Facility as filed | CHIEFTAN NORTH MINE |
|---|---|
| Permittee as filed | General Shale Brick Inc |
| NPDES ID | COG502123 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | April 24, 2017 |
| Expiration date | December 31, 2021 |
| Address | Lakewood, CO 80228 |
| Receiving water | unnamed tributary - Bear Creek |
| Subwatershed | Bear Creek Lake (HUC 101900020808) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES COG502123.
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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES COG502123.
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 COG502123 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.