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Clean Water Act discharge permit · NPDES COR900242

NORTHWEST READY MIX, Craig, CO: NPDES COR900242 discharge permit, effluent exceedances, inspections, penalties

NORTHWEST READY MIX, held by Kilgore Companies, holds NPDES permit COR900242, which discharges to Yampa River. EPA’s file records it issued June 25, 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 filedNORTHWEST READY MIX
Permittee as filedKilgore Companies
NPDES IDCOR900242
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedJune 25, 2012
Expiration dateJune 30, 2017
AddressCraig, CO 81625
Receiving waterYampa River
SubwatershedBreeze Basin-Yampa River (HUC 140500011106)

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

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Solids, total suspended1250
Iron, total [as Fe]1250

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COR900242.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES COR900242.

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 COR900242 there.

Nearby on the register

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

What this page shows

This public-records page covers the NPDES discharge permit COR900242 held by Kilgore Companies for NORTHWEST READY MIX in Craig, CO, which discharges to the Yampa River within the Breeze Basin-Yampa River subwatershed (HUC 140500011106). The permit is listed as administratively continued and a minor discharger, with 2 pollutants on file, 2 under a numeric limit, 2 with a violation of any kind, and 0 with an effluent exceedance.