Clean Water Act discharge permit · NPDES COG074454

PAMONA LAKE AND LITTLE DRY CREEK, Arvada, CO: NPDES COG074454 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
5Pollutants under a numeric limit
0Pollutants with an effluent exceedance

PAMONA LAKE AND LITTLE DRY CREEK, held by Naranjo Civil Constructors Inc, holds NPDES permit COG074454, which discharges to Little Dry Creek. EPA’s file records it issued June 28, 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.

What the register holds for PAMONA LAKE AND LITTLE DRY CREEK: its NPDES ID, its permit type and status, its dates, its address in Arvada, Colorado, its receiving water, and 5 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COG074454.

Identity

Facility as filed	PAMONA LAKE AND LITTLE DRY CREEK
Permittee as filed	Naranjo Civil Constructors Inc
NPDES ID	COG074454
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	June 28, 2013
Expiration date	September 30, 2013
Address	Arvada, CO 80005
Receiving water	Little Dry Creek
Subwatershed	Outlet Clear Creek (HUC 101900040404)

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

Effluent limits and exceedances

5Pollutants on file
5Under a numeric limit
0With 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	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
pH	4	0	0
Solids, total suspended	4	0	0
Flow, in conduit or thru treatment plant	4	0	0
Oil and grease	2	0	0
Oil and grease visual	2	0	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COG074454.

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 COG074454.

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

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, COG074454.

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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 COG074454 there.

Nearby on the register

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

This public-records page covers NPDES permit COG074454, held by Naranjo Civil Constructors Inc for the PAMONA LAKE AND LITTLE DRY CREEK facility in Arvada, CO, which discharges to Little Dry Creek. The permit is listed as Effective, a minor discharger, with 5 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.