Clean Water Act discharge permit · NPDES COG603109

HYATT REGENCY, Denver County, CO: NPDES COG603109 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
9Pollutants under a numeric limit
1Pollutants with an effluent exceedance

HYATT REGENCY, held by Hyatt Denver Convention Center Hotel, holds NPDES permit COG603109, which discharges to Cherry Creek. EPA’s file records it issued August 28, 2008 and expiring December 31, 2012. 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	HYATT REGENCY
Permittee as filed	Hyatt Denver Convention Center Hotel
NPDES ID	COG603109
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	August 28, 2008
Expiration date	December 31, 2012
Address	Denver County, CO 80202
Receiving water	Cherry Creek
Receiving water impaired	303(D) Listed
Subwatershed	Cherry Creek-South Platte River (HUC 101900030304)
SIC	1799 – Special Trade Contractors

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

10Pollutants on file
9Under a numeric limit
10With 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
Solids, total suspended	2	43	17	December 31, 2014	1,820% over the limit
Xylene [mix of m+o+p]	2	27	0
pH	2	26	0
Toluene	2	26	0
Benzene	2	26	0
Ethylbenzene	2	26	0
Flow, in conduit or thru treatment plant	2	25	0
Oil and grease	1	13	0
Oil and grease visual	1	13	0
Selenium, potentially dissolvd	0	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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES COG603109.

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 COG603109 there.

Nearby on the register

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

This public-records page covers Clean Water Act NPDES permit COG603109 for HYATT REGENCY in Denver County, CO, listed as administratively continued with a Minor discharger class of 9. It lists 1 pollutant under a numeric limit and 1 pollutant with an effluent exceedance, with the permit issued August 28, 2008 and expiring December 31, 2012.