Clean Water Act discharge permit · NPDES COG318007

BOULDER COMMONS, Boulder, CO: NPDES COG318007 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
139Pollutants under a numeric limit
1Pollutants with an effluent exceedance

BOULDER COMMONS, held by MCV Capital LLC, holds NPDES permit COG318007, which discharges to Goose Creek. EPA’s file records it issued July 21, 2020 and expiring May 31, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	BOULDER COMMONS
Permittee as filed	MCV Capital LLC
NPDES ID	COG318007
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	July 21, 2020
Expiration date	May 31, 2025
Address	Boulder, CO 80301
Receiving water	Goose Creek
Subwatershed	City of Boulder-Boulder Creek (HUC 101900050406)

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

Effluent limits and exceedances

139Pollutants on file
139Under a numeric limit
31With 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; the 60 with the most exceedances of 139 are shown.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Zinc, potentially dissolved	7	7	1	August 31, 2025	9% over the limit
Chromium, trivalent, potentially dissolvd	5	6	0
PFAS Sum	4	2	0
Chromium, hexavalent dissolved [as Cr]	2	2	0
Manganese, potentially dissolvd	2	2	0
Nitrobenzene	2	2	0
Perfluorooctanoic acid (PFOA)	2	2	0
Perfluorobutanoic acid (PFBA)	2	2	0
Perfluorooctanesulfonamide (PFOSA)	2	2	0
Perfluoropentanoic acid (PFPeA)	2	2	0
Perfluorohexanoic acid (PFHxA)	2	2	0
Perfluoroheptanoic acid (PFHpA)	2	2	0
Perfluorononanoic acid (PFNA)	2	2	0
Perfluorodecanoic acid (PFDA)	2	2	0
Perfluoroundecanoic acid (PFUnA)	2	2	0
Perfluorododecanoic acid (PFDoA)	2	2	0
Perfluorotridecanoic acid (PFTrDA)	2	2	0
Perfluorotetradecanoic acid (PFTeDA)	2	2	0
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)	2	2	0
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)	2	2	0
Perfluorobutanesulfonic acid (PFBS)	2	2	0
Perfluorodecanesulfonic acid (PFDS)	2	2	0
Perfluoroheptanesulfonic acid (PFHpS)	2	2	0
Perfluorohexanesulfonic acid (PFHxS)	2	2	0
Perfluorooctanesulfonic acid (PFOS)	2	2	0
1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)	2	2	0
1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)	2	2	0
1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)	2	2	0
Perfluoropentanesulfonic acid (PFPeS)	2	2	0
Perfluorononanesulfonic acid (PFNS)	2	2	0
Hexafluoropropylene oxide dimer acid (HFPO-DA)	2	2	0
Silver, potentially dissolved	10	0	0
Copper, potentially dissolved	10	0	0
Cadmium, potentially dissolvd	10	0	0
Lead, potentially dissolvd	10	0	0
Nickel, potentially dissolvd	10	0	0
Chloroform	10	0	0
Selenium, potentially dissolvd	8	0	0
Uranium, total	6	0	0
Arsenic, total recoverable	4	0	0
pH	2	0	0
Solids, total suspended	2	0	0
Iron, total recoverable	2	0	0
Selenium, total recoverable	2	0	0
Thallium, total recoverable	2	0	0
Beryllium, total recoverable [as Be]	2	0	0
Barium, total recoverable	2	0	0
Iron, dissolved [as Fe]	2	0	0
Manganese, dissolved [as Mn]	2	0	0
Nickel, total recoverable	2	0	0
Silver total recoverable	2	0	0
Zinc, total recoverable	2	0	0
Aluminum, total recoverable	2	0	0
Cadmium, total recoverable	2	0	0
Lead, total recoverable	2	0	0
Chromium, total recoverable	2	0	0
Copper, total recoverable	2	0	0
Molybdenum, total recoverable	2	0	0
Antimony, total recoverable	2	0	0
Arsenic, potentially dissolved	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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES COG318007.

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 COG318007 there.

Nearby on the register

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