Clean Water Act discharge permit · NPDES PAC021251

SOUTH FAYETTE - ST. CLAIR 138 KV STRUCTURE REPLACEMENT, Bridgeville, Borough Of, PA: NPDES PAC021251 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
1Inspections on file
0Formal enforcement actions

SOUTH FAYETTE - ST. CLAIR 138 KV STRUCTURE REPLACEMENT, held by Keystone Appalachian Transmission Company, holds NPDES permit PAC021251. EPA’s file records it issued January 30, 2026 and expiring December 7, 2029.

SOUTH FAYETTE - ST. CLAIR 138 KV STRUCTURE REPLACEMENT, Bridgeville, Borough Of, Pennsylvania: Coverage under a general permit PAC021251, held by Keystone Appalachian Transmission Company; Construction stormwater; Effective; issued January 30, 2026, term to December 7, 2029, by Allegheny County Conservation District.

September 15, 2026: Reconnaissance without Sampling (S).

Pennsylvania holds 4,048 Construction stormwater coverages of this permit type in EPA’s file; 3,529 were issued before PAC021251. Keystone Appalachian Transmission Company holds 3 permits in Pennsylvania.

Other permits held by Keystone Appalachian Transmission Company

STONER JUNCTION 138 KV REBUILD, Connellsville: PAC260161, issued February 11, 2025
VANKIRK SUBSTATION PROJECT, North Franklin, Township Of: PAC630329, issued March 6, 2025

Coverages issued nearest PAC021251

January 28, 2026: MAPES AG OPERATION, Limestone, Township Of, PAC600151, held by Jim Mapes
January 28, 2026: PROPOSED POULTRY BARNS, North Hopewell, Township Of, PAC670837, held by Greg Innerst
January 29, 2026: POETRY ESTATES, Greene, Township Of, PAC280432, held by Driftwood Group, LLC
January 29, 2026: CORE5 AT NORTH SCRANTON, Scott Township, PAC350197, held by Core5 at North Scranton, LLC
January 29, 2026: CARING ACRES COMMUNITY, Ephrata, Township Of, PAC361085, held by Caring Acres Community
February 2, 2026: GALEN HOOVER AG OPERATION, Tulpehocken, Township Of, PAC060584, held by Galen Hoover
February 2, 2026: SHEETZ STORE NO 430, Cambria, Township Of, PAC110154, held by Sheetz, Inc.
February 2, 2026: CLARKS SUMMIT MULTI-FAMILY, Clarks Summit, Pa, PAC350207, held by Brick Ave LLC
February 2, 2026: SAMUEL ZOOK, Strasburg, Township Of, PAC361061, held by Samuel F. and Malinda F. Zook
February 3, 2026: MEINERT ESTATES, Ohara, Township Of, PAC021243, held by Timothy Baldwin

SOUTH FAYETTE - ST. CLAIR 138 KV STRUCTURE REPLACEMENT among its neighbors

EPA’s permit file holds 65 discharge permits in the Middle Chartiers Creek subwatershed (HUC 050301010104), PAC021251 among them. Its county holds 695, 8 of them major permits; PAC021251 is a minor permit.

Other permits in the Middle Chartiers Creek subwatershed (HUC 050301010104)

2013 WWTP UPGRADES PROJECT, Cecil, Township Of: PAC630020, minor permit, permit term to August 16, 2021
ABELE BUSINESS PARK - BEACON 2, South Fayette, Township Of: PAC020665, minor permit, permit term to December 7, 2024
ACCUTREX PROD INC, Canonsburg: PAG036569, minor permit, discharging to Chartiers Creek, permit term to March 23, 2028
ALPINE POINT LOT 4, South Fayette, Township Of: PAC021239, minor permit, permit term to December 7, 2029
ALTO PIANO - PHASES 3,6,8,9, Canonsburg: PAC630294, minor permit, permit term to December 7, 2024
ASHFORD PLACE, North Strabane, Township Of: PAC630169, minor permit, permit term to December 7, 2024
BEBOUT ROAD INTERSECTION IMPROVEMENT PROJECT, Mcmurray: PAC630284, minor permit, permit term to December 7, 2024
BETHEL TRAILS PLAN OF LOTS, Bethel Park, Borough Of: PAC021121, minor permit, permit term to December 7, 2024
BRIDGEVILLE BORO STORM SEW SYS MS4, Bridgeville: PAG136203, minor permit, discharging to McLaughlin Run, permit term to March 15, 2018
BROOKWOOD PLAN OF LOTS, Peters, Township Of: PAC630082, minor permit, permit term to December 7, 2024

Identity

Facility as filed	SOUTH FAYETTE - ST. CLAIR 138 KV STRUCTURE REPLACEMENT
Permittee as filed	Keystone Appalachian Transmission Company
NPDES ID	PAC021251
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Issued	January 30, 2026
Expiration date	December 7, 2029
Issuing agency	Allegheny County Conservation District
Address	Bridgeville, Borough Of, PA 15017
Receiving water impaired	303(D) Listed
Subwatershed	Middle Chartiers Creek (HUC 050301010104)

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 PAC021251.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES PAC021251.

Inspections

Date	What EPA recorded	Agency
September 15, 2026	Reconnaissance without Sampling	S

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 PAC021251.

Watch this permit

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Nearby on the register

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

Of the 393 storm water construction permits in Allegheny County, this one, filed as SOUTH FAYETTE - ST. CLAIR 138 KV STRUCTURE REPLACEMENT, was issued later than 86.5% of them. It sits among 65 NPDES permits in the Middle Chartiers Creek subwatershed, and it has no pollutants under a numeric limit and no effluent exceedances on record.