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Clean Water Act discharge permit · NPDES WVR112657

STONE BRANCH SUBSTATION EXPANSION, Chapmanville, WV: NPDES WVR112657 discharge permit, effluent exceedances, inspections, penalties

STONE BRANCH SUBSTATION EXPANSION, held by AEP WEST VIRGINIA TRANSMISSION COMPANY, INC., holds NPDES permit WVR112657, which discharges to Guyandotte River. EPA’s file records it issued July 23, 2024 and expiring April 5, 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 STONE BRANCH SUBSTATION EXPANSION: its NPDES ID, its permit type and status, its dates, its address in Chapmanville, West Virginia, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES WVR112657.

Identity

Facility as filedSTONE BRANCH SUBSTATION EXPANSION
Permittee as filedAEP WEST VIRGINIA TRANSMISSION COMPANY, INC.
NPDES IDWVR112657
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJuly 23, 2024
Expiration dateApril 5, 2029
AddressChapmanville, WV 25508
Receiving waterGuyandotte River
SubwatershedCrawley Creek-Guyandotte River (HUC 050701020102)

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 WVR112657.

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 WVR112657.

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, WVR112657.

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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 WVR112657 there.

Nearby on the register

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

What this page shows

The register page covers NPDES permit WVR112657 for the STONE BRANCH SUBSTATION EXPANSION in Chapmanville, WV, held by AEP WEST VIRGINIA TRANSMISSION COMPANY, INC., which discharges to the Guyandotte River. The page lists a permit status of Effective, a discharger class of 0, 0 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance.