Clean Water Act discharge permit · NPDES COG502166

NISSEN GRAVEL MINE, Greeley, CO: NPDES COG502166 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
8Pollutants under a numeric limit
0Pollutants with an effluent exceedance

NISSEN GRAVEL MINE, held by Burnco Colorado LLC, holds NPDES permit COG502166, which discharges to South Platte River. EPA’s file records it issued June 24, 2019 and expiring December 31, 2021. 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 NISSEN GRAVEL MINE: its NPDES ID, its permit type and status, its dates, its address in Greeley, Colorado, its receiving water, and 8 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COG502166.

Identity

Facility as filed	NISSEN GRAVEL MINE
Permittee as filed	Burnco Colorado LLC
NPDES ID	COG502166
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	June 24, 2019
Expiration date	December 31, 2021
Address	Greeley, CO 80631
Receiving water	South Platte River
Subwatershed	Owl Creek-South Platte River (HUC 101900030607)

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

Effluent limits and exceedances

8Pollutants on file
8Under 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	2	0	0
Solids, total suspended	2	0	0
Flow, in conduit or thru treatment plant	2	0	0
Conductivity	1	0	0
Arsenic, total [as As]	1	0	0
Oil and grease	1	0	0
Flow, total	1	0	0
Oil and grease visual	1	0	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COG502166.

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 COG502166.

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 COG502166 there.

Nearby on the register

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

The register page covers NPDES permit COG502166 for NISSEN GRAVEL MINE in Greeley, Colorado, held by Burnco Colorado LLC and discharging to the South Platte River. It lists a Minor Discharger class, 8 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance.