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Clean Water Act discharge permit · NPDES COR429699

BOONE-HUCKLEBERRY TRANSMISSION LINE, Pueblo, CO: NPDES COR429699 discharge permit, effluent exceedances, inspections, penalties

BOONE-HUCKLEBERRY TRANSMISSION LINE, held by Tri-State Generation and Transmission Association, Inc., holds NPDES permit COR429699. EPA’s file records it issued January 29, 2026 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 BOONE-HUCKLEBERRY TRANSMISSION LINE: its NPDES ID, its permit type and status, its dates, its address in Pueblo, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR429699.

Identity

Facility as filedBOONE-HUCKLEBERRY TRANSMISSION LINE
Permittee as filedTri-State Generation and Transmission Association, Inc.
NPDES IDCOR429699
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJanuary 29, 2026
Expiration dateMarch 31, 2029
AddressPueblo, CO 81025
Receiving water impaired303(D) Listed
SubwatershedOutlet Huerfano River (HUC 110200060907)

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 COR429699.

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 COR429699.

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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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, COR429699.

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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 COR429699 there.

Nearby on the register

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

What this page shows

The BOONE-HUCKLEBERRY TRANSMISSION LINE permit (NPDES ID COR429699) is one of 2 NPDES permits in the Outlet Huerfano River subwatershed, this one included. Among the 130 general permit coverages in Pueblo County, 21.5% have a violation on file, and this permit has none of the records for pollutants under a numeric limit or effluent exceedances. Of all 130 general permit coverages in Pueblo County, 85.4% were issued earlier than this one.