Clean Water Act discharge permit · NPDES COG590136

WOLF CREEK RANCH WWTF, Trussville, CO: NPDES COG590136 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
13Pollutants under a numeric limit
4Pollutants with an effluent exceedance

WOLF CREEK RANCH WWTF, held by Wolf Creek Ranch Ski Lodge LLC, holds NPDES permit COG590136, which discharges to Wolf Creek. EPA’s file records it issued March 29, 2022 and expiring March 31, 2026. 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	WOLF CREEK RANCH WWTF
Permittee as filed	Wolf Creek Ranch Ski Lodge LLC
NPDES ID	COG590136
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	March 29, 2022
Expiration date	March 31, 2026
Address	Trussville, CO 81154
Receiving water	Wolf Creek
Subwatershed	Outlet South Fork Rio Grande (HUC 130100011106)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

13Pollutants on file
13Under a numeric limit
13With a violation of any kind
4With 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
E. coli	2	9	3	June 30, 2026	1,820% over the limit
Solids, suspended percent removal	1	6	3	July 31, 2026	567% over the limit
Solids, total suspended	4	14	2	June 30, 2026	80% over the limit
BOD, 5-day, percent removal	1	5	2	June 30, 2026	131% over the limit
BOD, 5-day, 20 deg. C	6	18	0
Flow, in conduit or thru treatment plant	4	12	0
BOD, carbonaceous [5 day, 20 C]	2	10	0
Plant capacity fact. percent of capacity	2	6	0
pH	2	6	0
Oil and grease	1	3	0
Chlorine, total residual	1	3	0
Oil and grease visual	1	3	0
Nitrogen, ammonia total [as N]	2	2	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

1Single-event violations

Date	What EPA recorded	Agency
July 22, 2026	Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements	ST6

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 COG590136 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

This public-records page covers Clean Water Act NPDES permit COG590136 for the WOLF CREEK RANCH WWTF in Trussville, CO, held by Wolf Creek Ranch Ski Lodge LLC and discharging to Wolf Creek, with its status shown as administratively continued. The page lists 13 pollutants on file, 13 under a numeric limit, 13 with a violation of any kind, and 4 with an effluent exceedance.