Clean Water Act discharge permit · NPDES COG641076

FORT COLLINS CITY OF, Larimer County, CO: NPDES COG641076 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
6Pollutants under a numeric limit
1Pollutants with an effluent exceedance

FORT COLLINS CITY OF, held by Fort Collins City of, holds NPDES permit COG641076, which discharges to 001;Irr Dtch/002;Unmd Trib/Cache La. EPA’s file records it issued January 10, 2006 and expiring October 31, 2010. 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	FORT COLLINS CITY OF
Permittee as filed	Fort Collins City of
NPDES ID	COG641076
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	January 10, 2006
Expiration date	October 31, 2010
Address	Larimer County, CO 80521
Receiving water	001;IRR DTCH/002;UNMD TRIB/CACHE LA
Subwatershed	City of Fort Collins-Cache La Poudre River (HUC 101900070805)
Other EPA IDs (FRS)	RCRA handler COR000003970

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

6Pollutants on file
6Under a numeric limit
4With a violation of any kind
1With 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
Chlorine, total residual	2	2	2	March 31, 2025	3,584% over the limit
Solids, total suspended	4	15	0
Flow, in conduit or thru treatment plant	4	6	0
Oil and grease	2	2	0
pH	4	0	0
Oil and grease visual	2	0	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
March 29, 2023	Monitoring Violations - Improper Analysis or Lab Error	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 COG641076 there.

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES COG641076, held by Fort Collins City of in Larimer County, CO, which discharges to 001;Irr Dtch/002;Unmd Trib/Cache La. The permit is listed as administratively continued, with a Minor Discharger class of 6, 1 pollutant under a numeric limit, and 1 pollutant with an effluent exceedance.