Clean Water Act discharge permit · NPDES COG588122
LOST VALLEY RANCH, Jefferson County, CO: NPDES COG588122 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
LOST VALLEY RANCH, held by Lost Valley Ranch Corporation, holds NPDES permit COG588122, which discharges to Goose Creek. EPA’s file records it issued August 29, 2012 and expiring September 30, 2013. 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 | LOST VALLEY RANCH |
|---|---|
| Permittee as filed | Lost Valley Ranch Corporation |
| NPDES ID | COG588122 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | August 29, 2012 |
| Expiration date | September 30, 2013 |
| Address | Jefferson County, CO 80135 |
| Receiving water | Goose Creek |
| Subwatershed | Goose Creek (HUC 101900020403) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 12Pollutants on file
- 12Under a numeric limit
- 12With a violation of any kind
- 7With 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, suspended percent removal | 1 | 14 | 11 | January 31, 2017 | 267% over the limit |
| Solids, total suspended | 4 | 22 | 10 | July 31, 2016 | 217% over the limit |
| BOD, 5-day, percent removal | 1 | 12 | 8 | August 31, 2016 | 87% over the limit |
| BOD, 5-day, 20 deg. C | 6 | 30 | 6 | July 31, 2026 | 140% over the limit |
| E. coli | 2 | 9 | 3 | July 31, 2018 | 2,206% over the limit |
| Chlorine, total residual | 1 | 5 | 2 | November 30, 2024 | 80% over the limit |
| pH | 2 | 7 | 1 | January 31, 2014 | |
| Flow, in conduit or thru treatment plant | 4 | 12 | 0 | ||
| Plant capacity fact. percent of capacity | 2 | 6 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 6 | 0 | ||
| Oil and grease | 1 | 3 | 0 | ||
| Oil and grease visual | 1 | 3 | 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 COG588122.
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 COG588122 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.