ASHBURN, VA · Loudoun County

LOUDOUN WATER - CENTRAL SYSTEM Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Virginia’s official records. Always confirm current status with Virginia before making decisions based on this information.

System facts

System ID (PWSID): VA6107350
System type: Community Water System
Population served: 334,808
Service connections: 83,426
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 2001 – December 31, 2001
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 1993 – December 31, 1993
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
February 1, 1993 – February 28, 1993
Archived
Monitoring, Regular
—
Fluoride
December 1, 1984 – November 30, 1987
Archived
Monitoring, Regular
—
Nitrate
December 1, 1984 – November 30, 1987
Archived
Monitoring, Regular
—
Barium
December 1, 1984 – November 30, 1987
Archived
Monitoring, Regular
—
Arsenic
December 1, 1984 – November 30, 1987
Archived
Monitoring, Regular
—
Selenium
December 1, 1984 – November 30, 1987
Archived
Monitoring, Regular
—
Cadmium
December 1, 1984 – November 30, 1987
Archived
Monitoring, Regular
—
Chromium
December 1, 1984 – November 30, 1987
Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2001 – December 31, 2001	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
December 1, 1993 – December 31, 1993	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
February 1, 1993 – February 28, 1993	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
December 1, 1984 – November 30, 1987	Monitoring, Regular	Fluoride	—	Archived
December 1, 1984 – November 30, 1987	Monitoring, Regular	Nitrate	—	Archived
December 1, 1984 – November 30, 1987	Monitoring, Regular	Barium	—	Archived
December 1, 1984 – November 30, 1987	Monitoring, Regular	Arsenic	—	Archived
December 1, 1984 – November 30, 1987	Monitoring, Regular	Selenium	—	Archived
December 1, 1984 – November 30, 1987	Monitoring, Regular	Cadmium	—	Archived
December 1, 1984 – November 30, 1987	Monitoring, Regular	Chromium	—	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

July 1, 2024State Public Notification received2 linked violations
June 25, 2024State Compliance achieved2 linked violations
October 27, 2023State Public Notification requested1 linked violation
December 2, 2011Federal Compliance achieved1 linked violation
April 16, 2010Federal Final Administrative Order issued1 linked violation
February 27, 2002State Public Notification received2 linked violations

Contact

COGSWELL, CATHERINE

571-291-7844

ASHBURN, VA 20146