Clean Water Act discharge permit · NPDES COR900904

READY MIX PLANT 14 LAFAYETTE, Lafayette, CO: NPDES COR900904 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
4Pollutants under a numeric limit
0Pollutants with an effluent exceedance

READY MIX PLANT 14 LAFAYETTE, held by Ready Mixed Concrete Co, holds NPDES permit COR900904, which discharges to Rock Creek -Coal Creek. EPA’s file records it issued May 17, 2012 and expiring June 30, 2017. 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	READY MIX PLANT 14 LAFAYETTE
Permittee as filed	Ready Mixed Concrete Co
NPDES ID	COR900904
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 17, 2012
Expiration date	June 30, 2017
Address	Lafayette, CO 80026
Receiving water	Rock Creek -Coal Creek
Subwatershed	Middle Coal Creek (HUC 101900050603)
Other EPA IDs (FRS)	ICIS-AIR source CO0000000801301304

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

4Pollutants on file
4Under a numeric limit
4With 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	4	37
pH	4	32
Selenium, potentially dissolvd	2	31
Iron, total [as Fe]	2	25

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COR900904.

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 COR900904.

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, COR900904.

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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 COR900904 there.

Nearby on the register

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

This public-records page covers NPDES permit COR900904 for READY MIX PLANT 14 LAFAYETTE in Lafayette, CO, held by Ready Mixed Concrete Co under the industrial stormwater program, with a permit status of administratively continued. The listed figures are a minor discharger class of 4, 0 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance.