Clean Water Act discharge permit · NPDES COG074472
TROUT LAKE DAM OUTLET WORKS, Uninc San Miguel Cnty, CO: NPDES COG074472 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
TROUT LAKE DAM OUTLET WORKS, held by Public Service Co of Colorado, holds NPDES permit COG074472, which discharges to San Miguel River. EPA’s file records it issued July 22, 2013 and expiring September 30, 2013. 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 filed | TROUT LAKE DAM OUTLET WORKS |
|---|---|
| Permittee as filed | Public Service Co of Colorado |
| NPDES ID | COG074472 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | July 22, 2013 |
| Expiration date | September 30, 2013 |
| Address | Uninc San Miguel Cnty, CO 81426 |
| Receiving water | San Miguel River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lake Fork (HUC 140300030102) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 5Pollutants on file
- 5Under a numeric limit
- 5With a violation of any kind
- 1With 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 | 12 | 24 | 10 | November 30, 2014 | 1,011% over the limit |
| pH | 16 | 20 | 0 | ||
| Flow, in conduit or thru treatment plant | 16 | 11 | 0 | ||
| Oil and grease | 8 | 10 | 0 | ||
| Oil and grease visual | 8 | 10 | 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 COG074472.
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, COG074472.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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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 COG074472 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.