Clean Water Act discharge permit · NPDES COG501859

COLORADO GRAVEL PRODUCTS, Center, CO: NPDES COG501859 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
2Pollutants under a numeric limit
0Pollutants with an effluent exceedance

COLORADO GRAVEL PRODUCTS, held by Center Redi Mix Inc, holds NPDES permit COG501859, which discharges to North Main Canal - San Luis Creek. EPA’s file records it issued April 17, 2017 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.

Identity

Facility as filed	COLORADO GRAVEL PRODUCTS
Permittee as filed	Center Redi Mix Inc
NPDES ID	COG501859
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	April 17, 2017
Expiration date	December 31, 2021
Address	Center, CO 81125
Receiving water	North Main Canal - San Luis Creek
Subwatershed	City of Center-San Luis Creek (HUC 130100030504)

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

Effluent limits and exceedances

2Pollutants on file
2Under a numeric limit
2With 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
Solids, total suspended	1	7	0
Iron, total [as Fe]	1	7	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COG501859.

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 COG501859.

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 COG501859 there.

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES COG501859, held by Center Redi Mix Inc for COLORADO GRAVEL PRODUCTS in Center, CO, which discharges to North Main Canal - San Luis Creek within the City of Center-San Luis Creek subwatershed (HUC 130100030504). The permit is listed as administratively continued, with a minor discharger class, an issue date of April 17, 2017, and an expiration date of December 31, 2021, and it shows 2 pollutants on file, 2 under a numeric limit, and 0 with an effluent exceedance.