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Clean Water Act discharge permit · NPDES COR426441

XCEL SUB: PATHWAYS SANDSTONE SUBSTATION, Unincorporated, CO: NPDES COR426441 discharge permit, effluent exceedances, inspections, penalties

XCEL SUB: PATHWAYS SANDSTONE SUBSTATION, held by Public Service Company of Colorado (PSCo), holds NPDES permit COR426441. EPA’s file records it issued January 24, 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 SUB: PATHWAYS SANDSTONE SUBSTATION: its NPDES ID, its permit type and status, its dates, its address in Unincorporated, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR426441.

Identity

Facility as filedXCEL SUB: PATHWAYS SANDSTONE SUBSTATION
Permittee as filedPublic Service Company of Colorado (PSCo)
NPDES IDCOR426441
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJanuary 24, 2025
Expiration dateMarch 31, 2029
AddressUnincorporated, CO 81025
Receiving water impaired303(D) Listed
SubwatershedMiddle Kramer Creek (HUC 110200050203)

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 COR426441.

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 COR426441.

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, COR426441.

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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 COR426441 there.

Nearby on the register

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

What this page shows

The Middle Kramer Creek subwatershed holds 3 NPDES permits, including XCEL SUB: PATHWAYS SANDSTONE SUBSTATION. Among 130 Pueblo County coverages, 21.5% have a violation on file and 60.8% were issued before this coverage.