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Clean Water Act discharge permit · NPDES COR901627

RIFLE BATCH PLANT, Rifle, CO: NPDES COR901627 discharge permit, effluent exceedances, inspections, penalties

RIFLE BATCH PLANT, held by MSG Ready Mix, holds NPDES permit COR901627, which discharges to Colorado River. EPA’s file records it issued March 21, 2023 and expiring December 31, 2025. 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 RIFLE BATCH PLANT: its NPDES ID, its permit type and status, its dates, its address in Rifle, Colorado, its receiving water, and 3 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR901627.

Identity

Facility as filedRIFLE BATCH PLANT
Permittee as filedMSG Ready Mix
NPDES IDCOR901627
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedMarch 21, 2023
Expiration dateDecember 31, 2025
AddressRifle, CO 81641
Receiving waterColorado River
SubwatershedBeaver Creek-Colorado River (HUC 140100050701)

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
Arsenic, total recoverable200
Solids, total suspended100
Iron, total [as Fe]100

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COR901627.

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 COR901627.

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, COR901627.

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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 COR901627 there.

Nearby on the register

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

What this page shows

The page covers the NPDES discharge permit COR901627 for RIFLE BATCH PLANT in Rifle, CO, held by MSG Ready Mix, which discharges to the Colorado River and is listed as Effective with a Minor Discharger class. The figures listed are 0 pollutants with an effluent exceedance and 3 pollutants under a numeric limit.