Clean Water Act discharge permit · NPDES VA0024431

MATHEWS ARM STP, Skyline Drive, VA: NPDES VA0024431 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
7Pollutants under a numeric limit
2Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

MATHEWS ARM STP, held by Shenandoah National Park, holds NPDES permit VA0024431, which discharges to South Fork Shenandoah River-Brown Hollow Run. EPA’s file records it issued October 29, 2020 and expiring November 30, 2025.

MATHEWS ARM STP, Skyline Drive, Virginia: Individual permit VA0024431, held by Shenandoah National Park; Administratively continued (past its expiration date and still in force until reissued); issued October 29, 2020, term to November 30, 2025, by VA DEQ; discharges to South Fork Shenandoah River-Brown Hollow Run; Sewage Treatment Facilities.

Nitrogen, ammonia total [as N]: 4 limits, 6 violations of any kind, 6 effluent exceedances, latest May 31, 2023, largest 36% over the limit.
Oxygen, dissolved [DO]: 1 limit, 1 violation of any kind, 1 effluent exceedance, latest June 30, 2020, largest 6% over the limit.
Flow, in conduit or thru treatment plant: 2 limits, 2 violations of any kind, 0 effluent exceedances.
Solids, total suspended: 4 limits, 0 violations of any kind, 0 effluent exceedances.
BOD, carbonaceous [5 day, 20 C]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
pH: 2 limits, 0 violations of any kind, 0 effluent exceedances.
E. coli: 1 limit, 0 violations of any kind, 0 effluent exceedances.

Other permits held by Shenandoah National Park

BIG MEADOWS STP, Skyline Drive: VA0024406, issued October 29, 2020
LOFT MOUNTAIN STP, Skyline Drive: VA0024414, issued October 29, 2020
SKYLAND STP, Skyline Drive: VA0024422, issued October 29, 2020
PARK HEADQUARTERS VEHICLE WASH, Luray: VAG750117, issued October 16, 2017

MATHEWS ARM STP among its neighbors

EPA’s permit file holds 12 discharge permits in the Brown Hollow Run-South Fork Shenandoah River subwatershed (HUC 020700051002), VA0024431 among them. Its county holds 13, 1 of them major permits; VA0024431 is a minor permit.

Other permits in the Brown Hollow Run-South Fork Shenandoah River subwatershed (HUC 020700051002)

ANDY GUEST SHENANDOAH RIVER STATE PARK WWTP, Bentonville: VA0092070, minor permit, discharging to South Fork Shenandoah River/Gooney Run, permit term to March 31, 2022
ANTONENKO ILLYA RESIDENCE, Rileyville: VAG408289, minor permit, discharging to South Fork Shenandoah River-Brown Hollow Run, permit term to July 31, 2026
CURTIS NANCY GEREN AND EDWARD LEE JR RESIDENCE, Front Royal: VAG401404, minor permit, discharging to South Fork Shenandoah River-Brown Hollow Run, permit term to July 31, 2026
FERRI BEN AND MONICA RESIDENCE, Front Royal: VAG401316, minor permit, discharging to South Fork Shenandoah River-Brown Hollow Run, permit term to July 31, 2026
FOSTER SR BOBBY JOE RESIDENCE, Bentonville: VAG401601, minor permit, discharging to South Fork Shenandoah River-Brown Hollow Run, permit term to July 31, 2026
GARBER ARTHUR AND LINDA RESIDENCE, Front Royal: VAG401119, minor permit, discharging to South Fork Shenandoah River-Brown Hollow Run, permit term to July 31, 2026
HARDEN JAMES AND LOIS RESIDENCE, Luray: VAG401474, minor permit, discharging to South Fork Shenandoah River-Brown Hollow Run, permit term to July 31, 2026
HILL HARRY RESIDENCE, Front Royal: VAG408396, minor permit, discharging to South Fork Shenandoah River-Brown Hollow Run, permit term to July 31, 2026
PIGEON THOMAS RESIDENCE, Front Royal: VAG401383, minor permit, discharging to South Fork Shenandoah River-Brown Hollow Run, permit term to July 31, 2026
ROJAS JOSE M AND JOSEFA LEWIS RESIDENCE, Front Royal: VAG408362, minor permit, discharging to South Fork Shenandoah River-Brown Hollow Run, permit term to July 31, 2026

Identity

Facility as filed	MATHEWS ARM STP
Permittee as filed	Shenandoah National Park
NPDES ID	VA0024431
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Federal facility
Issued	October 29, 2020
Expiration date	November 30, 2025
Issuing agency	VA DEQ
Address	Skyline Drive, VA 22835
Receiving water	South Fork Shenandoah River-Brown Hollow Run
Subwatershed	Brown Hollow Run-South Fork Shenandoah River (HUC 020700051002)
NAICS	221320 – Sewage Treatment Facilities
SIC	4952 – Sewerage Systems

Effluent limits and exceedances

7Pollutants on file
7Under a numeric limit
3With a violation of any kind
2With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Nitrogen, ammonia total [as N]	4	6	6	May 31, 2023	36% over the limit
Oxygen, dissolved [DO]	1	1	1	June 30, 2020	6% over the limit
Flow, in conduit or thru treatment plant	2	2	0
Solids, total suspended	4	0	0
BOD, carbonaceous [5 day, 20 C]	4	0	0
pH	2	0	0
E. coli	1	0	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES VA0024431.

Inspections

EPA’s inspection file holds no inspection for NPDES VA0024431.

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 VA0024431.

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Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES VA0024431 for MATHEWS ARM STP, held by Shenandoah National Park, with the permit listed as administratively continued and classed as a Minor Discharger. The page lists 7 for the discharger class, 2 pollutants under a numeric limit, and 2 pollutants with an effluent exceedance, with the permit issued October 29, 2020 and expiring November 30, 2025.