Clean Water Act discharge permit · NPDES VAR10O956

TYSONS SUBSTATION UPGRADE, Vienna, VA: NPDES VAR10O956 discharge permit, effluent exceedances, inspections, penalties

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

TYSONS SUBSTATION UPGRADE, held by Virginia Electric and Power Co dba Dominion Energy, holds NPDES permit VAR10O956, which discharges to Difficult Run. EPA’s file records it issued July 1, 2019 and expiring June 30, 2024.

TYSONS SUBSTATION UPGRADE, Vienna, Virginia: Coverage under a general permit VAR10O956, held by Virginia Electric and Power Co dba Dominion Energy; Construction stormwater; Administratively continued (past its expiration date and still in force until reissued); issued July 1, 2019, term to June 30, 2024, by VA DEQ; discharges to Difficult Run.

Virginia holds 6,257 Construction stormwater coverages of this permit type in EPA’s file; 4 were issued before VAR10O956. Virginia Electric and Power Co dba Dominion Energy holds 26 permits in Virginia.

Other permits held by Virginia Electric and Power Co dba Dominion Energy

MAIN POINT SUBSTATION FINAL SITE AND GRADING PLAN, Fort Lee: VAR10N325, issued July 1, 2019
FORT POWHATAN SOLAR PHASE I AND PHASE II, Disputanta: VAR10N521, issued July 1, 2019
MOUNT STORM TO VALLEY 500 KV ELECTRICAL TRANSMISSI, Harrisonburg: VAR10N687, issued July 1, 2019
POSSUM POINT POWER STATION PONDS ABC AND E CLOSURE, Dumfries: VAR10O106, issued July 1, 2019
DINWIDDIE CAMPUS MOBILE SUBSTATION AND LAB, N. Dinwiddie: VAR10O898, issued July 1, 2019
BOOKERS MILL SOLAR PART 1, Farnham: VAR10P897, issued July 1, 2019
RENAISSANCE TECH PARK BRIDGING, Herndon: VAR10S394, issued July 1, 2019
BLUE RIDGE SOLAR PART 1, Tight Squeeze: VAR10S443, issued July 1, 2019
HARPERS SWITCHING STATION, Virginia Beach: VAR10S806, issued July 1, 2019
COASTAL VIRGINIA OFFSHORE WIND CVOW UNDERGROUND, Virginia Beach: VAR10S810, issued July 1, 2019

Coverages issued nearest VAR10O956

July 1, 2019: STAUNTON APARTMENTS II LLC, Staunton, VAR10O944, held by Wise Choice Excavating Inc
July 1, 2019: KESWICK HALL SPA, Keswick, VAR10O948, held by ILEX Construction Inc
July 1, 2019: DOMINION RECYCLING AND TRANSFER LLC, Manassas Park, VAR10O949, held by Patriot Disposal Inc
July 1, 2019: ROBERTO, Sandston, VAR10O950, held by Roberto Real Estate LLC
July 1, 2019: CENTREVILLE RD ROUTE 28 WIDENING, Centreville, VAR10O954, held by Shirley Contracting Co LLC
July 1, 2019: GOOSE CREEK FARM UPPER WEYANOKE LLC, Charles City, VAR10O959, held by Goose Creek Farm Upper Weyanoke LLC
July 1, 2019: WEXFORD SQUARE SUBDIVISION, Chesapeake, VAR10O960, held by Wexford Square LLC
July 1, 2019: PUBLIC WORKS SERVICE CENTER IMPROVEMENTS, Roanoke, VAR10O961, held by Roanoke City
July 1, 2019: 3 GUNS CUSTOMS, Chesapeake, VAR10O962, held by Northwest Contractors Inc
July 1, 2019: SABOT AT STONY POINT, Richmond, VAR10O968, held by Sabot at Stony Point Inc

TYSONS SUBSTATION UPGRADE among its neighbors

EPA’s permit file holds 73 discharge permits in the Difficult Run subwatershed (HUC 020700081004), VAR10O956 among them.

Other permits in the Difficult Run subwatershed (HUC 020700081004)

1039 SPRINGVALE ROAD SUBDIVISION PLAN, Great Falls: VAR10H364, minor permit, discharging to Difficult Run, permit term to June 30, 2024
1752 BROOKSIDE LN, Vienna: VAR10T983, minor permit, discharging to Difficult Run, permit term to June 30, 2029
515 MAPLE AVENUE, EAST, Vienna: VAR10W649, minor permit, discharging to Difficult Run, permit term to June 30, 2029
AMERICAN DREAM WAY, Reston: VAR10T566, minor permit, discharging to Difficult Run, permit term to June 30, 2024
ARDEN AT MCLEAN SECTION 1 DR, Great Falls: VAR10M503, minor permit, discharging to Difficult Run, permit term to June 30, 2024
BORO BLOCKS I, J, K, AND L BUILDING DEMOLITION, Mclean: VAR10P608, minor permit, discharging to Difficult Run, permit term to June 30, 2024
CROSSFIELD ELEMENTARY SCHOOL, Herndon: VAR10R924, minor permit, discharging to Difficult Run, permit term to June 30, 2024
DOMINION SQUARE C5/C6, Fairfax: VAR10T218, minor permit, discharging to Difficult Run, permit term to June 30, 2024
EASTBORO IV - 8285 GREENSBORO DR, Mclean: VA0090093, minor permit, discharging to Potomac River/Difficult Run/Nichols Run, permit term to October 31, 2020
ENTERPRISE RENT A CAR - 11180 MAIN ST, Fairfax: VAG750249, minor permit, discharging to Difficult Run, permit term to October 15, 2017

What the register holds for TYSONS SUBSTATION UPGRADE: its NPDES ID, its permit type and status, its dates, its address in Vienna, Virginia, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES VAR10O956.

Identity

Facility as filed	TYSONS SUBSTATION UPGRADE
Permittee as filed	Virginia Electric and Power Co dba Dominion Energy
NPDES ID	VAR10O956
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Issued	July 1, 2019
Expiration date	June 30, 2024
Issuing agency	VA DEQ
Address	Vienna, VA 22182
Receiving water	Difficult Run
Subwatershed	Difficult Run (HUC 020700081004)

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 VAR10O956.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES VAR10O956.

Inspections

EPA’s inspection file holds no inspection for NPDES VAR10O956.

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 VAR10O956.

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, VAR10O956.

Start the watch

How we handle your data → Privacy

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

The TYSONS SUBSTATION UPGRADE storm water construction permit in Vienna, Virginia, is one of 21 such permits in that city on EPA's NPDES register, and 0.0% of those 21 permits have a violation on file. The permit sits within the Difficult Run subwatershed, which contains 73 NPDES permits, this one included. Of all 21 storm water construction permits in Vienna, 0.0% were issued earlier than this one, and it has no pollutants under a numeric limit and no effluent exceedances on record.