Clean Water Act discharge permit · NPDES COR900761

CARBONES, Denver, CO: NPDES COR900761 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
7Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

CARBONES, held by Carbones Inc, holds NPDES permit COR900761, which discharges to South Platte River. EPA’s file records it issued May 29, 2012 and expiring June 30, 2017.

CARBONES, Denver, Colorado: Coverage under a general permit COR900761, held by Carbones Inc; Industrial stormwater; Administratively continued (past its expiration date and still in force until reissued); issued May 29, 2012, term to June 30, 2017; discharges to South Platte River.

Solids, total suspended: 1 limit, 34 violations of any kind, 0 effluent exceedances.
Zinc, total recoverable: 1 limit, 32 violations of any kind, 0 effluent exceedances.
Copper, total recoverable: 1 limit, 32 violations of any kind, 0 effluent exceedances.
Chemical Oxygen Demand [COD]: 1 limit, 32 violations of any kind, 0 effluent exceedances.
Iron, total [as Fe]: 1 limit, 26 violations of any kind, 0 effluent exceedances.
Lead, total [as Pb]: 1 limit, 26 violations of any kind, 0 effluent exceedances.
Aluminum, total [as Al]: 1 limit, 26 violations of any kind, 0 effluent exceedances.
Cadmium, potentially dissolvd: 0 limits, 16 violations of any kind, 0 effluent exceedances.
Iron, total recoverable: 0 limits, 8 violations of any kind, 0 effluent exceedances.
Aluminum, total recoverable: 0 limits, 8 violations of any kind, 0 effluent exceedances.
Cadmium, total recoverable: 0 limits, 8 violations of any kind, 0 effluent exceedances.
Lead, potentially dissolvd: 0 limits, 8 violations of any kind, 0 effluent exceedances.
Are You In Compliance: 0 limits, 1 violation of any kind, 0 effluent exceedances.

Colorado holds 1,020 Industrial stormwater coverages of this permit type in EPA’s file; 223 were issued before COR900761.

Coverages issued nearest COR900761

May 25, 2012: WESTERN SCRAP PROCESSING CO, Colorado Springs, COR900707, held by American Iron & Metal Co Inc
May 25, 2012: BANNOCK PLANT, Denver, COR900808, held by Holcim WCR Inc
May 29, 2012: PHIL'S AUTO, Hotchkiss, COR900753, held by Phil's Auto
May 29, 2012: TRADE CENTER AUTO RECYCLING, Grand Junction, COR900755, held by Trade Center Auto Recycling Inc
May 29, 2012: TRADE CENTER AUTO RECYCLING DELTA, Delta, COR900756, held by Trade Center Auto Recycling Inc
May 29, 2012: UPS PIKES PEAK AND BROADMOOR CENTERS, Colorado Springs, COR900765, held by United Parcel Service
May 29, 2012: UPS CRAIG SATELLITE CENTER, Craig, COR900766, held by United Parcel Service
May 29, 2012: COLORADO SPRINGS TRANSFER STATION, Colorado Springs, COR900767, held by Waste Management of Colorado Inc
May 29, 2012: CRESTED BUTTE HAULING FACILITY AND TRANSFER STATION, Unincorporated, COR900771, held by Waste Management Disposal Services of Colorado
May 31, 2012: BRUSH MUNICIPAL AIRPORT, Brush, COR900174, held by Brush City of

CARBONES among its neighbors

EPA’s permit file holds 228 discharge permits in the Cherry Creek-South Platte River subwatershed (HUC 101900030304), COR900761 among them. Its county holds 465, 3 of them major permits; COR900761 is a minor permit.

Other permits in the Cherry Creek-South Platte River subwatershed (HUC 101900030304)

1158 DELAWARE, Denver: COR417163, minor permit, permit term to March 31, 2024
1401 WYNKOOP PARKING GARAGE, Denver County: COG603107, minor permit, discharging to Cherry Creek, permit term to December 31, 2012
1565 N COLORADO BLVD, Denver: COR428972, minor permit, permit term to March 31, 2029
1601 COLORADO APTS, Denver County: COG603087, minor permit, discharging to Storm Sewer, permit term to December 31, 2012
1601 WEWATTA, Denver: CO0000008, minor permit, discharging to South Platte River, permit term to September 30, 2018
1790 LOGAN STREET AND 1799 PENNSYLVANIA STREET, Denver: COR424249, minor permit, permit term to March 31, 2029
1800 LARIMER LLC, Denver County: COG603158, minor permit, discharging to Cherry Creek, permit term to December 31, 2012
1900 LAWRENCE, Denver: COG318123, minor permit, discharging to Cherry Creek and South Platte River, permit term to May 31, 2028
23041 - CRESTMOOR PARK PROJECT (REPLACEMENT), Denver: COR430963, minor permit, permit term to March 31, 2029
299 MILWAUKEE, Denver: COR424747, minor permit, permit term to March 31, 2029

Identity

Facility as filed	CARBONES
Permittee as filed	Carbones Inc
NPDES ID	COR900761
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
Program	Industrial stormwater
Issued	May 29, 2012
Expiration date	June 30, 2017
Address	Denver, CO 80216
Receiving water	South Platte River
Subwatershed	Cherry Creek-South Platte River (HUC 101900030304)

Effluent limits and exceedances

13Pollutants on file
7Under a numeric limit
13With 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
Solids, total suspended	1	34
Zinc, total recoverable	1	32
Copper, total recoverable	1	32
Chemical Oxygen Demand [COD]	1	32
Iron, total [as Fe]	1	26
Lead, total [as Pb]	1	26
Aluminum, total [as Al]	1	26
Cadmium, potentially dissolvd	0	16
Iron, total recoverable	0	8
Aluminum, total recoverable	0	8
Cadmium, total recoverable	0	8
Lead, potentially dissolvd	0	8
Are You In Compliance	0	1

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COR900761.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES COR900761.

Inspections

EPA’s inspection file holds no inspection for NPDES COR900761.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES COR900761.

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

This public-records page covers the NPDES permit COR900761 held by Carbones Inc for the CARBONES facility in Denver, CO, which discharges to the South Platte River in the Cherry Creek-South Platte River subwatershed (HUC 101900030304). The permit is administratively continued under the industrial stormwater program, with 13 pollutants on file, 7 under a numeric limit, 13 with a violation of any kind, and 0 with an effluent exceedance.