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Clean Water Act discharge permit · NPDES COR900844

MASTER BUILDERS SOLUTIONS ADMIXTURES US, Denver, CO: NPDES COR900844 discharge permit, effluent exceedances, inspections, penalties

MASTER BUILDERS SOLUTIONS ADMIXTURES US, held by Master Builders Solutions Admixtures US, holds NPDES permit COR900844, which discharges to Sand Creek -South Platte River. EPA’s file records it issued May 31, 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.

What the register holds for MASTER BUILDERS SOLUTIONS ADMIXTURES US: its NPDES ID, its permit type and status, its dates, its address in Denver, Colorado, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR900844.

Identity

Facility as filedMASTER BUILDERS SOLUTIONS ADMIXTURES US
Permittee as filedMaster Builders Solutions Admixtures US
NPDES IDCOR900844
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
IssuedMay 31, 2012
Expiration dateJune 30, 2017
AddressDenver, CO 80239
Receiving waterSand Creek -South Platte River
SubwatershedSand Creek (HUC 101900030204)

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

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES COR900844.

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 COR900844.

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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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 COR900844 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 NPDES permit COR900844, held by Master Builders Solutions Admixtures US in Denver, Colorado, which discharges to Sand Creek-South Platte River. The register lists the permit as administratively continued, with a Minor Discharger class of 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.