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Clean Water Act discharge permit · NPDES COR901186

MILLIKEN CONCRETE PLANT, Milliken, CO: NPDES COR901186 discharge permit, effluent exceedances, inspections, penalties

MILLIKEN CONCRETE PLANT, held by Burnco Colorado LLC, holds NPDES permit COR901186, which discharges to Thompson & Platte River Ditch - Big Thompson River. EPA’s file records it issued February 12, 2013 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 filedMILLIKEN CONCRETE PLANT
Permittee as filedBurnco Colorado LLC
NPDES IDCOR901186
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
IssuedFebruary 12, 2013
Expiration dateJune 30, 2017
AddressMilliken, CO 80543
Receiving waterThompson & Platte River Ditch - Big Thompson River
SubwatershedOutlet Big Thompson River (HUC 101900060607)
Other EPA IDs (FRS)ICIS-AIR source CO0000000812304387

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

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
Iron, total [as Fe]130
Solids, total suspended120

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COR901186.

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 COR901186.

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 COR901186 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 Clean Water Act discharge permit NPDES COR901186 for Milliken Concrete Plant in Milliken, CO, held by Burnco Colorado LLC, which discharges to Thompson & Platte River Ditch - Big Thompson River. The permit is listed as administratively continued, with a Minor discharger class of 2, zero pollutants under a numeric limit, and zero pollutants with an effluent exceedance.