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Clean Water Act discharge permit · NPDES COR428392

XCEL 6670 (UNA-OILS) TRANSMISSION LINE REBUILD, Parachute, CO: NPDES COR428392 discharge permit, effluent exceedances, inspections, penalties

XCEL 6670 (UNA-OILS) TRANSMISSION LINE REBUILD, held by Public Service Company of Colorado (PSCo), holds NPDES permit COR428392. EPA’s file records it issued August 12, 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 XCEL 6670 (UNA-OILS) TRANSMISSION LINE REBUILD: its NPDES ID, its permit type and status, its dates, its address in Parachute, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR428392.

Identity

Facility as filedXCEL 6670 (UNA-OILS) TRANSMISSION LINE REBUILD
Permittee as filedPublic Service Company of Colorado (PSCo)
NPDES IDCOR428392
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedAugust 12, 2025
Expiration dateMarch 31, 2029
AddressParachute, CO 81650
SubwatershedPete and Bill Creek-Colorado River (HUC 140100051402)

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 COR428392.

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 COR428392.

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 COR428392 there.

Nearby on the register

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

What this page shows

The XCEL 6670 (UNA-OILS) TRANSMISSION LINE REBUILD permit, held by Public Service Company of Colorado (PSCo) in Parachute, is one of 123 general permit coverages in Garfield County, and 46.3% of those carry a violation on file. It is also one of 4 NPDES permits in the Pete and Bill Creek-Colorado River subwatershed, and it records no pollutants under a numeric limit and no effluent exceedances.