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Clean Water Act discharge permit · NPDES COR901655

GREELEY NORTH READY MIX PLANT, Greeley, CO: NPDES COR901655 discharge permit, effluent exceedances, inspections, penalties

GREELEY NORTH READY MIX PLANT, held by Raptor Materials LLC, holds NPDES permit COR901655, which discharges to Cache La Poudre River. EPA’s file records it issued April 10, 2024 and expiring December 31, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedGREELEY NORTH READY MIX PLANT
Permittee as filedRaptor Materials LLC
NPDES IDCOR901655
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedApril 10, 2024
Expiration dateDecember 31, 2025
AddressGreeley, CO 80631
Receiving waterCache la Poudre River
SubwatershedOutlet Cache La Poudre River (HUC 101900071008)
SIC3273 – Ready-Mixed Concrete

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same 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 suspended110
Iron, total [as Fe]110

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COR901655.

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 COR901655.

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, COR901655.

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How we handle your data → Privacy

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 COR901655 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

The page is a public-records entry for NPDES permit COR901655, held by Raptor Materials LLC for the GREELEY NORTH READY MIX PLANT in Greeley, CO, which discharges to the Cache La Poudre River under a Minor discharger class and an Effective permit status. It lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, with 2 pollutants on file in total.