Clean Water Act discharge permit · NPDES COR426397
LEADVILLE MINE DRAINAGE TUNNEL WATER TREATMENT PLANT, Leadville, CO: NPDES COR426397 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
LEADVILLE MINE DRAINAGE TUNNEL WATER TREATMENT PLANT, held by Oscar Renda Contracting Inc., holds NPDES permit COR426397. EPA’s file records it issued February 4, 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 LEADVILLE MINE DRAINAGE TUNNEL WATER TREATMENT PLANT: its NPDES ID, its permit type and status, its dates, its address in Leadville, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR426397.
Identity
| Facility as filed | LEADVILLE MINE DRAINAGE TUNNEL WATER TREATMENT PLANT |
|---|---|
| Permittee as filed | Oscar Renda Contracting Inc. |
| NPDES ID | COR426397 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | February 4, 2025 |
| Expiration date | March 31, 2029 |
| Address | Leadville, CO 80461 |
| Subwatershed | East Fork Arkansas River (HUC 110200010202) |
| Other EPA IDs (FRS) | RCRA handler CO7142390114 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
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 COR426397.
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 COR426397.
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
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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 COR426397 there.
Nearby on the register
- Discharge permits in Leadville
- Every permit record in Leadville, A to Z
- Discharge permits in Colorado
- Every permit record in Colorado, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.