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Clean Water Act discharge permit · NPDES COR429174

WINDOM PIPELINE, Milliken, CO: NPDES COR429174 discharge permit, effluent exceedances, inspections, penalties

WINDOM PIPELINE, held by DCP Operating Company, LP, holds NPDES permit COR429174. EPA’s file records it issued November 13, 2025 and expiring March 31, 2029. 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 WINDOM PIPELINE: its NPDES ID, its permit type and status, its dates, its address in Milliken, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR429174.

Identity

Facility as filedWINDOM PIPELINE
Permittee as filedDCP Operating Company, LP
NPDES IDCOR429174
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedNovember 13, 2025
Expiration dateMarch 31, 2029
AddressMilliken, CO 80543
SubwatershedSheep Draw (HUC 101900071004)

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 COR429174.

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 COR429174.

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

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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 COR429174 there.

Nearby on the register

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

What this page shows

The WINDOM PIPELINE permit is one of 596 general permit coverages in Weld County, and 21.3% of those coverages have a violation on file, so this permit sits within that group without the violation record. Among the 26 NPDES permits in the Sheep Draw subwatershed, this one is also in a comparatively small local set, and it shows zero pollutants with an effluent exceedance. Of all 595 general permit coverages in Weld County, 78.2% were issued earlier than this one, which was issued November 13, 2025.