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 (October 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)
SIC	4952 – Sewerage Systems

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same 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.

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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

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers NPDES permit COG588122, held by Lost Valley Ranch Corporation for the LOST VALLEY RANCH facility in Jefferson County, CO, which discharges to Goose Creek. The permit status is listed as Effective, with a minor discharger class of 12, and 7 pollutants are shown with an effluent exceedance.