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Clean Water Act discharge permit · NPDES VAR10X520

COMMONWEALTH LANDBAY D2, Chantilly, VA: NPDES VAR10X520 discharge permit, effluent exceedances, inspections, penalties

COMMONWEALTH LANDBAY D2, held by TOLL MID ATLANTIC LP COMPANY, INC, holds NPDES permit VAR10X520, which discharges to Cub Run. EPA’s file records it issued July 1, 2024 and expiring June 30, 2029. 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.

What the register holds for COMMONWEALTH LANDBAY D2: its NPDES ID, its permit type and status, its dates, its address in Chantilly, Virginia, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES VAR10X520.

Identity

Facility as filedCOMMONWEALTH LANDBAY D2
Permittee as filedTOLL MID ATLANTIC LP COMPANY, INC
NPDES IDVAR10X520
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJuly 1, 2024
Expiration dateJune 30, 2029
Issuing agencyVA DEQ
AddressChantilly, VA 20151
Receiving waterCub Run
SubwatershedCub Run (HUC 020700100704)

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

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES VAR10X520.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES VAR10X520.

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.

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, VAR10X520.

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How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

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 VAR10X520 there.

Nearby on the register

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

What this page shows

COMMONWEALTH LANDBAY D2 is one of 61 storm water construction permits in Chantilly on EPA's NPDES register, and it is among 107 NPDES permits in the Cub Run subwatershed, this one included. Of the 61 Chantilly storm water construction permits, 65.6% carry an earlier issue date than this one, and the permit has no pollutants under a numeric limit and no effluent exceedances on file.