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Clean Water Act discharge permit · NPDES DCPIU000A

JAMES J CORBALIS WATER TREATMENT PLANT, Herndon, VA: NPDES DCPIU000A discharge permit, effluent exceedances, inspections, penalties

JAMES J CORBALIS WATER TREATMENT PLANT, held by Fairfax Water, holds NPDES permit DCPIU000A. EPA’s file records it issued December 31, 2024 and expiring December 30, 2029.

JAMES J CORBALIS WATER TREATMENT PLANT, Herndon, Virginia: Individual industrial user permit DCPIU000A, held by Fairfax Water; Effective; issued December 31, 2024, term to December 30, 2029, by D.c. Wasa (blue Plains).

Other permits held by Fairfax Water

Other permits in Herndon

  • 555 HERNDON PARKWAY, Herndon: VAR10U756, minor permit, discharging to Sugarland Run, permit term to June 30, 2029
  • ARPINA VALLEY, Herndon: VAR10V127, minor permit, discharging to Horsepen Run, permit term to June 30, 2029
  • AUDUBON COVE, Herndon: VAR10U658, minor permit, discharging to Cub Run, permit term to June 30, 2029
  • AURORA STATION AT DULLES, Herndon: VAR10W928, minor permit, discharging to Horsepen Run, permit term to June 30, 2029
  • CFA WOODLAND PARK, Herndon: VAR10N610, minor permit, discharging to Horsepen Run, permit term to June 30, 2024
  • CHANDON PARK TRAIL IMPROVEMENTS, Herndon: VAR10N093, minor permit, discharging to Horsepen Run, permit term to June 30, 2024
  • CROSSFIELD ELEMENTARY SCHOOL, Herndon: VAR10R924, minor permit, discharging to Difficult Run, permit term to June 30, 2024
  • DRANESVILLE ELEMENTARY SCHOOL, Herndon: VAR10T571, minor permit, discharging to Sugarland Run, permit term to June 30, 2024
  • DULLES DISCOVERY SOUTH 3 - GARAGE C, Herndon: VAG830647, minor permit, discharging to Cub Run, permit term to February 29, 2028
  • DULLES GATEWAY, Herndon: VAR10U578, minor permit, discharging to Cub Run, permit term to June 30, 2029

What the register holds for JAMES J CORBALIS WATER TREATMENT PLANT: its NPDES ID, its permit type and status, its dates, its address in Herndon, Virginia. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES DCPIU000A.

Identity

Facility as filedJAMES J CORBALIS WATER TREATMENT PLANT
Permittee as filedFairfax Water
NPDES IDDCPIU000A
Permit statusEffective
Permit typeIndividual industrial user permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedDecember 31, 2024
Expiration dateDecember 30, 2029
Issuing agencyD.c. Wasa (blue Plains)
AddressHerndon, VA 20170
Receiving water impaired303(D) Listed

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES DCPIU000A.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES DCPIU000A.

Inspections

EPA’s inspection file holds no inspection for NPDES DCPIU000A.

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 DCPIU000A.

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Nearby on the register

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

What this page shows

This public-records page covers the NPDES discharge permit DCPIU000A for the James J Corbalis Water Treatment Plant in Herndon, VA, held by Fairfax Water, which EPA's file records as issued December 31, 2024 and expiring December 30, 2029. The page lists the permit as Effective and a Minor discharger, with 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.