Clean Water Act discharge permit · NPDES COG588115
REDSTONE CASTLE WWTF, Pitkin County, CO: NPDES COG588115 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
REDSTONE CASTLE WWTF, held by Sopris Engineering LLC, holds NPDES permit COG588115, which discharges to Crystal River. EPA’s file records it issued February 24, 2011 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 | REDSTONE CASTLE WWTF |
|---|---|
| Permittee as filed | Sopris Engineering LLC |
| NPDES ID | COG588115 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | February 24, 2011 |
| Expiration date | September 30, 2013 |
| Address | Pitkin County, CO 81623 |
| Receiving water | Crystal River |
| Subwatershed | Big Kline Creek-Crystal River (HUC 140100040705) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 13Pollutants on file
- 12Under a numeric limit
- 13With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 6 | 162 | 0 | ||
| Solids, total suspended | 4 | 108 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 108 | 0 | ||
| pH | 2 | 54 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 54 | 0 | ||
| E. coli | 2 | 54 | 0 | ||
| Chlorine, total residual | 2 | 42 | 0 | ||
| Solids, total dissolved | 4 | 36 | 0 | ||
| Oil and grease | 1 | 27 | 0 | ||
| BOD, 5-day, percent removal | 1 | 27 | 0 | ||
| Solids, suspended percent removal | 1 | 27 | 0 | ||
| Oil and grease visual | 1 | 27 | 0 | ||
| Plant capacity fact. percent of capacity | 0 | 24 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COG588115.
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 COG588115.
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 COG588115 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.