Clean Water Act discharge permit · NPDES COG074487

HAYDEN SCR UNIT, Hayden, CO: NPDES COG074487 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
11Pollutants under a numeric limit
0Pollutants with an effluent exceedance

HAYDEN SCR UNIT, held by Public Service Co of Colorado, holds NPDES permit COG074487, which discharges to Sage Creek And Groundwater. EPA’s file records it issued August 9, 2013 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	HAYDEN SCR UNIT
Permittee as filed	Public Service Co of Colorado
NPDES ID	COG074487
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	August 9, 2013
Expiration date	September 30, 2013
Address	Hayden, CO 81639
Receiving water	Sage Creek and Groundwater
Subwatershed	Goose Creek-Yampa River (HUC 140500011104)

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

Effluent limits and exceedances

11Pollutants on file
11Under a numeric limit
11With 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
pH	8	8
Flow, in conduit or thru treatment plant	8	4
Solids, total suspended	4	4
Selenium, potentially dissolvd	4	4
Oil and grease	4	4
Toluene	4	4
Benzene	4	4
Ethylbenzene	4	4
Oil and grease visual	4	4
Solids, total dissolved	2	2
Xylene [mix of m+o+p]	2	2

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COG074487.

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 COG074487.

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 COG074487 there.

Nearby on the register

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

This public-records page covers the Clean Water Act discharge permit NPDES COG074487 for HAYDEN SCR UNIT in Hayden, CO, held by Public Service Co of Colorado and discharging to Sage Creek And Groundwater, with its status shown as Effective as of the EPA file. The page lists 11 pollutants on file, 11 under a numeric limit, 11 with a violation of any kind, and 0 with an effluent exceedance.