Clean Water Act discharge permit · NPDES COG603201
ELKSTONE 21, Mountain Village, CO: NPDES COG603201 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
ELKSTONE 21, held by Sterling Capital LLC, holds NPDES permit COG603201, which discharges to Elk Pond. EPA’s file records it issued May 24, 2012 and expiring December 31, 2012. 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 | ELKSTONE 21 |
|---|---|
| Permittee as filed | Sterling Capital LLC |
| NPDES ID | COG603201 |
| 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 | May 24, 2012 |
| Expiration date | December 31, 2012 |
| Address | Mountain Village, CO 81435 |
| Receiving water | Elk Pond |
| Subwatershed | Veatch Gulch-White River (HUC 140500050305) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 7Pollutants on file
- 7Under a numeric limit
- 7With a violation of any kind
- 2With 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 |
|---|---|---|---|---|---|
| Sulfide, dissolved, [as S] | 1 | 2 | 2 | September 30, 2012 | 39,400% over the limit |
| Sulfide-hydrogen sulfide [undissociated] | 1 | 19 | 1 | December 31, 2012 | 26,400% over the limit |
| pH | 2 | 18 | 0 | ||
| Solids, total suspended | 2 | 18 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 12 | 0 | ||
| Oil and grease | 1 | 9 | 0 | ||
| Oil and grease visual | 1 | 9 | 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 COG603201.
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 COG603201 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.