Clean Water Act discharge permit · NPDES WVG417729

PRUNTYTOWN SUBSTATION (MON POWER), Grafton, WV: NPDES WVG417729 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

PRUNTYTOWN SUBSTATION (MON POWER), held by MONONGAHELA POWER COMPANY, holds NPDES permit WVG417729, which discharges to Natural Drainage/Unt/Otter Ck Rm 0.55/Tygart Valle. EPA’s file records it issued January 23, 2026 and expiring June 30, 2029.

PRUNTYTOWN SUBSTATION (MON POWER), Grafton, West Virginia: Coverage under a general permit WVG417729, held by MONONGAHELA POWER COMPANY; Effective; issued January 23, 2026, term to June 30, 2029; discharges to Natural drainage/UNT/Otter Ck Rm 0.55/Tygart Valle.

Other permits held by MONONGAHELA POWER COMPANY

WILLOW ISLAND POWER STATION (MONONGAHELA POWER COMPANY), Willow Island: WV0000761, issued July 6, 1984
RIVESVILLE POWER STATION, Rivesville: WV0004715, issued November 9, 1984
ALBRIGHT POWER STATION, Albright: WV0004723, issued December 7, 1984
FORT MARTIN POWER STATION, Maidsville: WV0004731, issued December 11, 1984
HARRISON POWER STATION, Haywood: WV0005339, issued December 7, 1984
RECONDUCTORING PROJECT, Rosemont: WVR110456, issued September 24, 2019
FLINT RUN PROJECT: BIG FLINT ROAD LAYDOWN YARD, Center Point: WVR110561, issued March 3, 2020
WYLIE RIDGE SOLAR ENERGY FACILITY, Sun Valley: WVR112371, issued March 6, 2024
ARROYO - WYLIE RIDGE STRUCTURE 17 REPLACEMENT, New Cumberland: WVR112602, issued June 13, 2024
GLENVILLE-WESTON PROJECT, Truebada: WVR112658, issued July 19, 2024

PRUNTYTOWN SUBSTATION (MON POWER) among its neighbors

EPA’s permit file holds 9 discharge permits in the Wickwire Run-Tygart Valley River subwatershed (HUC 050200010707), WVG417729 among them. Its county holds 33, 1 of them major permits; WVG417729 is a minor permit.

Other permits in the Wickwire Run-Tygart Valley River subwatershed (HUC 050200010707)

CITY OF GRAFTON, Grafton: WVL021822, minor permit, permit term to December 31, 2025
GLENDA KNIGHT, Grafton: WVG413254, minor permit, discharging to TYGART VALLEY RIVER/MONONGAHELA RIVER, permit term to June 30, 2024
LOW LEVEL BRIDGE ROAD IMPROVEMENTS, Flemington: WVR113108, minor permit, discharging to Berry Run/Long Run/Berekely Run/Tygart Valley Rive, permit term to April 5, 2029
PRUNTYTOWN PIKE SEWER EXTENSION, Grafton: WVR113301, minor permit, discharging to Tygart Valley River, permit term to March 2, 2027
SHELBY RUN DEEP MINE, Morgantown: WV1025783, minor permit, discharging to SHELBY RN, permit term to April 9, 2023
SLATON HOLLOW WATERLINE EXTENSION, Grafton: WVR113343, minor permit, discharging to Direct Drain to Tygart Valley River, permit term to May 31, 2027
TOOTHMAN FORD PARKING LOT, Grafton: WVR113391, minor permit, discharging to Otter Ck/Tygart Valley Rv/Monongahela Rv, permit term to April 5, 2029
WASTEWATER SYSTEM IMPROVEMENTS PROJECT, Grafton: WVR113398, minor permit, discharging to Tygart Valley River, permit term to October 1, 2027

What the register holds for PRUNTYTOWN SUBSTATION (MON POWER): its NPDES ID, its permit type and status, its dates, its address in Grafton, West Virginia, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES WVG417729.

Identity

Facility as filed	PRUNTYTOWN SUBSTATION (MON POWER)
Permittee as filed	MONONGAHELA POWER COMPANY
NPDES ID	WVG417729
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	January 23, 2026
Expiration date	June 30, 2029
Address	Grafton, WV 26354
Receiving water	Natural drainage/UNT/Otter Ck Rm 0.55/Tygart Valle
Subwatershed	Wickwire Run-Tygart Valley River (HUC 050200010707)

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES WVG417729.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES WVG417729.

Inspections

EPA’s inspection file holds no inspection for NPDES WVG417729.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES WVG417729.

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, WVG417729.

Start the watch

How we handle your data → Privacy

Nearby on the register

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

PRUNTYTOWN SUBSTATION (MON POWER) is one of 24 general permit coverages in Taylor County on EPA's NPDES register, and 8.3% of those coverages have a violation on file. Of all 24 Taylor County general permit coverages, 75.0% were issued earlier than this one. The permit sits among 9 NPDES permits in the Wickwire Run-Tygart Valley River subwatershed, and it records no pollutant under a numeric limit and no effluent exceedance.