Clean Water Act discharge permit · NPDES VA0091430

LOUDOUN COMPOSTING, Chantilly, VA: NPDES VA0091430 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
9Pollutants under a numeric limit
1Pollutants with an effluent exceedance

LOUDOUN COMPOSTING, held by Loudoun Composting, holds NPDES permit VA0091430, which discharges to Cub Run. EPA’s file records it issued June 17, 2014 and expiring June 16, 2019. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	LOUDOUN COMPOSTING
Permittee as filed	Loudoun Composting
NPDES ID	VA0091430
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	June 17, 2014
Expiration date	June 16, 2019
Issuing agency	STATE
Address	Chantilly, VA 20152
Receiving water	Cub Run
Receiving water impaired	303(D) Listed
Subwatershed	Cub Run (HUC 020700100704)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

13Pollutants on file
9Under a numeric limit
5With a violation of any kind
1With 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
Oxygen, dissolved [DO]	1	1	1	August 31, 2022	56% over the limit
Toxic Units Static 48HR Acute Ceriodaphnia dubia	0	1	0
TU LC50 Static 48Hr Acute Pimephales promelas	0	1	0
TU Static Renewal 7-Day Chronic Ceriodaphnia dubia	0	1	0
TU Static Renewal 7-Day Chronic Pimphales promelas	0	1	0
pH	2	0	0
Solids, total suspended	2	0	0
Flow, in conduit or thru treatment plant	2	0	0
Oxygen demand, chem. [low level] [COD]	1	0	0
Nitrogen, total [as N]	1	0	0
Nitrogen, ammonia total [as N]	1	0	0
Phosphorus, total [as P]	1	0	0
Solids, total dissolved	1	0	0

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES VA0091430.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID VA0091430 there.

Nearby on the register

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

This public-records page covers the Clean Water Act discharge permit NPDES VA0091430, held by Loudoun Composting at Chantilly, VA, which discharges to Cub Run in subwatershed HUC 020700100704. The permit is listed as administratively continued, with a Minor discharger class, and the page records 13 pollutants on file, 9 under a numeric limit, 5 with a violation of any kind, and 1 with an effluent exceedance.