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Clean Water Act discharge permit · NPDES COG603218

GRALAND PARKING GARAGE DISCHARGE PROJECT, Denver County, CO: NPDES COG603218 discharge permit, effluent exceedances, inspections, penalties

GRALAND PARKING GARAGE DISCHARGE PROJECT, held by Graland Country Day School, holds NPDES permit COG603218, which discharges to Cherry Creek. EPA’s file records it issued March 19, 2013 and expiring December 31, 2015. 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 filedGRALAND PARKING GARAGE DISCHARGE PROJECT
Permittee as filedGraland Country Day School
NPDES IDCOG603218
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMarch 19, 2013
Expiration dateDecember 31, 2015
AddressDenver County, CO 80220
Receiving waterCherry Creek
SubwatershedCherry Creek-South Platte River (HUC 101900030304)

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

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
pH8700
Solids, total suspended8700
Iron, total recoverable0680
Selenium, potentially dissolvd0570
Flow, in conduit or thru treatment plant8440
Oil and grease4350
Oil and grease visual4350

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COG603218.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES COG603218.

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 COG603218 there.

Nearby on the register

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

What this page shows

This public-records page covers NPDES permit COG603218 for the Graland Parking Garage Discharge Project in Denver County, CO, held by Graland Country Day School and discharging to Cherry Creek in the Cherry Creek-South Platte River subwatershed (HUC 101900030304). The page lists 7 pollutants on file, 5 under a numeric limit, 7 with a violation of any kind, and 0 with an effluent exceedance.