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Clean Water Act discharge permit · NPDES COR426805

RAMPART PIPELINE APPURTENANCES PHASE 7, Aurora, CO: NPDES COR426805 discharge permit, effluent exceedances, inspections, penalties

RAMPART PIPELINE APPURTENANCES PHASE 7, held by BT Construction, holds NPDES permit COR426805. EPA’s file records it issued March 6, 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 RAMPART PIPELINE APPURTENANCES PHASE 7: its NPDES ID, its permit type and status, its dates, its address in Aurora, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR426805.

Identity

Facility as filedRAMPART PIPELINE APPURTENANCES PHASE 7
Permittee as filedBT Construction
NPDES IDCOR426805
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMarch 6, 2025
Expiration dateMarch 31, 2029
AddressAurora, CO 80122
SubwatershedBig Dry Creek (HUC 101900020902)

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 COR426805.

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 COR426805.

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, COR426805.

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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 COR426805 there.

Nearby on the register

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

What this page shows

Of the 360 general permit coverages in Arapahoe County, 10.8% have a violation on file. RAMPART PIPELINE APPURTENANCES PHASE 7 is one of the 360 general permit coverages on EPA's NPDES register in Arapahoe County. The Big Dry Creek subwatershed holds 19 NPDES permits, this one included.