Clean Water Act discharge permit · NPDES COG500420
SEA HORSE #2 PIT, Gunnison, CO: NPDES COG500420 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
SEA HORSE #2 PIT, held by Oldcastle SW Group, holds NPDES permit COG500420, which discharges to Tomichi Creek. EPA’s file records it issued June 17, 2008 and expiring June 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 | SEA HORSE #2 PIT |
|---|---|
| Permittee as filed | Oldcastle SW Group |
| NPDES ID | COG500420 |
| 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 | June 17, 2008 |
| Expiration date | June 30, 2013 |
| Address | Gunnison, CO 81230 |
| Receiving water | TOMICHI CREEK |
| Subwatershed | Chance Gulch-Tomichi Creek (HUC 140200030605) |
| Other EPA IDs (FRS) | ICIS-AIR source CO0000000805100050 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 8Pollutants on file
- 6Under a numeric limit
- 8With a violation of any kind
- 3With 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 | 8 | 85 | 3 | December 31, 2014 | 64% over the limit |
| Flow, in conduit or thru treatment plant | 8 | 94 | 2 | September 30, 2018 | 100% over the limit |
| pH | 8 | 81 | 1 | September 30, 2014 | |
| Solids, total dissolved | 8 | 84 | 0 | ||
| Oil and grease visual | 4 | 41 | 0 | ||
| Oil and grease | 4 | 40 | 0 | ||
| Flow, total | 0 | 7 | 0 | ||
| Conductivity | 0 | 1 | 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 COG500420.
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
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, COG500420.
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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 COG500420 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.