Clean Water Act discharge permit · NPDES CO0032115
TRAPPER MINE, Moffat County, CO: NPDES CO0032115 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
TRAPPER MINE, held by Trapper Mining Inc, holds NPDES permit CO0032115, which discharges to Various Gulches. EPA’s file records it issued September 19, 2012 and expiring October 31, 2017. 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 | TRAPPER MINE |
|---|---|
| Permittee as filed | Trapper Mining Inc |
| NPDES ID | CO0032115 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | September 19, 2012 |
| Expiration date | October 31, 2017 |
| Address | Moffat County, CO 81625 |
| Receiving water | VARIOUS GULCHES |
| Subwatershed | Jeffway Gulch-Williams Fork (HUC 140500011002) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 12Pollutants on file
- 9Under a numeric limit
- 11With a violation of any kind
- 6With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 26 | 80 | 66 | May 31, 2026 | 2,020% over the limit |
| Iron, total [as Fe] | 26 | 44 | 26 | June 30, 2019 | 800% over the limit |
| pH | 26 | 13 | 3 | July 31, 2021 | |
| Iron, total recoverable | 0 | 3 | 3 | February 28, 2025 | 100% over the limit |
| Flow, in conduit or thru treatment plant | 26 | 12 | 2 | June 30, 2019 | 188% over the limit |
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | 6 | 2 | 1 | December 31, 1997 | 4% over the limit |
| Solids, total dissolved | 0 | 14 | 0 | ||
| Solids, settleable | 0 | 12 | 0 | ||
| Oil and grease | 13 | 5 | 0 | ||
| Oil and grease visual | 13 | 5 | 0 | ||
| LC50 Static Renewal 96Hr Acute Pimephales promelas | 5 | 2 | 0 | ||
| LC50 Static Renewal 48Hr Acute Pimephales promelas | 1 | 0 | 0 |
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 CO0032115.
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 CO0032115 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.