Clean Water Act discharge permit · NPDES VA0060500

WATERFORD SEWAGE TREATMENT PLANT, Waterford, VA: NPDES VA0060500 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
12Pollutants under a numeric limit
3Pollutants with an effluent exceedance
1Inspections on file
0Formal enforcement actions

WATERFORD SEWAGE TREATMENT PLANT, held by Loudoun County Sanitation Authority, holds NPDES permit VA0060500, which discharges to South Fork Catoctin Creek. EPA’s file records it issued February 1, 2020 and expiring January 31, 2025.

WATERFORD SEWAGE TREATMENT PLANT, Waterford, Virginia: Individual permit VA0060500, held by Loudoun County Sanitation Authority; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued February 1, 2020, term to January 31, 2025, by VA DEQ; discharges to South Fork Catoctin Creek; Sewage Treatment Facilities.

BOD, 5-day, 20 deg. C: 4 limits, 2 violations of any kind, 2 effluent exceedances, latest June 30, 2020, largest 46% over the limit.
Solids, total suspended: 4 limits, 2 violations of any kind, 2 effluent exceedances, latest February 28, 2019, largest 11% over the limit.
Oxygen, dissolved [DO]: 1 limit, 1 violation of any kind, 1 effluent exceedance, latest May 31, 2019, largest 1% over the limit.
Chlorine, total residual: 3 limits, 8 violations of any kind, 0 effluent exceedances.
Nitrogen, ammonia total [as N]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
pH: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 2 limits, 0 violations of any kind, 0 effluent exceedances.
E. coli: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Nitrogen, total [as N]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Nitrogen, Kjeldahl, total [as N]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Nitrite + Nitrate total [as N]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Phosphorus, total [as P]: 1 limit, 0 violations of any kind, 0 effluent exceedances.

February 20, 2026: Evaluation (S).

Virginia holds 336 Publicly owned treatment works coverages of this permit type in EPA’s file; 271 were issued before VA0060500.

Coverages issued nearest VA0060500

January 7, 2020: TANGIER WASTEWATER TREATMENT PLANT, Accomac, VA0067423, held by Town of Tangier
January 14, 2020: HRSD KING WILLIAM COUNTY SEWAGE TREATMENT PLANT, King William, VA0088102, held by Hampton Roads Sanitation District
January 24, 2020: H L MOONEY ADVANCED WATER RECLAMATION FACILITY, Woodbridge, VA0025101, held by Prince William Water
January 27, 2020: AMHERST CO SERVICE AUTHORITY WESTBRIAR SUBDIVISION, Amherst, VA0082546, held by Amherst Co Service Authority
January 31, 2020: WAYNESBORO WWTP, Waynesboro, VA0025151, held by Waynesboro City
February 12, 2020: TOWN OF GLASGOW WWTP, Glasgow, VA0083712, held by Glasgow Town
February 13, 2020: CLARKSVILLE WWTP, Clarksville, VA0020168, held by Clarksville Town of
February 27, 2020: PENNINGTON GAP STP, Pennington Gap, VA0029599, held by Pennington Gap Town
March 1, 2020: MADISON WASTEWATER TREATMENT PLANT, Madison, VA0022845, held by Rapidan Service Authority
March 5, 2020: HRSD MOUNT OLIVE SEWAGE TREATMENT PLANT, King William, VA0091537, held by Hampton Roads Sanitation District

WATERFORD SEWAGE TREATMENT PLANT among its neighbors

EPA’s permit file holds 34 discharge permits in the South Fork Catoctin Creek subwatershed (HUC 020700080301), VA0060500 among them. Its county holds 64, 2 of them major permits; VA0060500 is a minor permit.

Other permits in the South Fork Catoctin Creek subwatershed (HUC 020700080301)

21ST STREET SHARED USE PATH PHASE I, Purcellville: VAR10X271, minor permit, discharging to South Fork Catoctin Creek, permit term to June 30, 2029
BIRABEN ROGER RESIDENCE, Purcellville: VAG406103, minor permit, discharging to South Fork Catoctin Creek, permit term to July 31, 2026
BLUE HILL COUNTRY INN, Hillsboro: VAR10L184, minor permit, discharging to Potomac River-Limestone Branch, permit term to June 30, 2024
FIELDS FARM 0.5 MILLION GALLON ELEVATED WATER STOR, Purcellville: VAR10U202, minor permit, discharging to South Fork Catoctin Creek, permit term to June 30, 2029
HAMILTON FARM LLC, Hamilton: VAR10R883, minor permit, discharging to South Fork Catoctin Creek, permit term to June 30, 2024
HAMILTON SEWAGE TREATMENT PLANT, Hamilton: VA0020974, minor permit, discharging to Catoctin Creek, permit term to September 30, 2021
HILLSBORO PUB, Hillsboro: VAG406477, minor permit, discharging to South Fork Catoctin Creek, permit term to July 31, 2026
HILLSBORO TOWN WASTEWATER TREATMENT PACKAGE PLANT, Hillsboro: VA0093114, minor permit, discharging to South Fork Catoctin Creek, permit term to June 30, 2027
HILLSBORO TOWN WASTEWATER TREATMENT PACKAGE PLANT, Hillsboro: VAN010177, minor permit, discharging to South Fork Catoctin Creek, permit term to December 31, 2026
HUNDLEY AND CARROLL RESIDENCE, Hillsboro: VAG406175, minor permit, discharging to South Fork Catoctin Creek, permit term to August 1, 2021

Identity

Facility as filed	WATERFORD SEWAGE TREATMENT PLANT
Permittee as filed	Loudoun County Sanitation Authority
NPDES ID	VA0060500
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	February 1, 2020
Expiration date	January 31, 2025
Issuing agency	VA DEQ
Address	Waterford, VA 20197
Receiving water	South Fork Catoctin Creek
Receiving water impaired	303(D) Listed
Subwatershed	South Fork Catoctin Creek (HUC 020700080301)
Program components on file	POTW, Pretreatment
NAICS	221320 – Sewage Treatment Facilities
SIC	4952 – Sewerage Systems

Effluent limits and exceedances

12Pollutants on file
12Under a numeric limit
4With a violation of any kind
3With 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
BOD, 5-day, 20 deg. C	4	2	2	June 30, 2020	46% over the limit
Solids, total suspended	4	2	2	February 28, 2019	11% over the limit
Oxygen, dissolved [DO]	1	1	1	May 31, 2019	1% over the limit
Chlorine, total residual	3	8	0
Nitrogen, ammonia total [as N]	3	0	0
pH	2	0	0
Flow, in conduit or thru treatment plant	2	0	0
E. coli	2	0	0
Nitrogen, total [as N]	1	0	0
Nitrogen, Kjeldahl, total [as N]	1	0	0
Nitrite + Nitrate total [as N]	1	0	0
Phosphorus, total [as P]	1	0	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES VA0060500.

Inspections

Date	What EPA recorded	Agency
February 20, 2026	Evaluation	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 VA0060500.

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

The page is a public-records entry for NPDES permit VA0060500, held by Loudoun County Sanitation Authority for the WATERFORD SEWAGE TREATMENT PLANT in Waterford, VA, which discharges to South Fork Catoctin Creek. The permit is listed as administratively continued, a Minor Discharger class, with 3 pollutants under a numeric limit and 12 with an effluent exceedance on file. The permit was issued February 1, 2020 and expired January 31, 2025, and the figures reflect the EPA permit file as loaded on October 14, 2026.