Clean Water Act discharge permit · NPDES COR040292
UPPER MOUNTAIN TOP, Ouray County, CO: NPDES COR040292 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 17Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
UPPER MOUNTAIN TOP, held by Mining Co Inc, holds NPDES permit COR040292, which discharges to Upper Sneffels Creek - Canyon Creek. EPA’s file records it issued July 20, 2016 and expiring July 31, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | UPPER MOUNTAIN TOP |
|---|---|
| Permittee as filed | Mining Co Inc |
| NPDES ID | COR040292 |
| 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 |
| Program | Industrial stormwater |
| Issued | July 20, 2016 |
| Expiration date | July 31, 2021 |
| Address | Ouray County, CO 81427 |
| Receiving water | Upper Sneffels Creek - Canyon Creek |
| Subwatershed | Lake Creek (HUC 140801011103) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 17Pollutants on file
- 17Under a numeric limit
- 17With a violation of any kind
- 0With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| pH | 2 | 80 | 0 | ||
| Turbidity | 1 | 40 | 0 | ||
| Solids, total suspended | 1 | 40 | 0 | ||
| Arsenic, total [as As] | 1 | 40 | 0 | ||
| Beryllium, total [as Be] | 1 | 40 | 0 | ||
| Cadmium, total [as Cd] | 1 | 40 | 0 | ||
| Copper, total [as Cu] | 1 | 40 | 0 | ||
| Iron, total [as Fe] | 1 | 40 | 0 | ||
| Lead, total [as Pb] | 1 | 40 | 0 | ||
| Nickel, total [as Ni] | 1 | 40 | 0 | ||
| Silver, total [as Ag] | 1 | 40 | 0 | ||
| Zinc, total [as Zn] | 1 | 40 | 0 | ||
| Antimony, total [as Sb] | 1 | 40 | 0 | ||
| Selenium, total [as Se] | 1 | 40 | 0 | ||
| Zinc, potentially dissolved | 1 | 40 | 0 | ||
| Cadmium, potentially dissolvd | 1 | 40 | 0 | ||
| Mercury, total [as Hg] | 1 | 40 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COR040292.
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 COR040292.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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 COR040292 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.