ASHBURN, VA · Loudoun County

POTOMAC FARMS Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of September 30, 2015. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Loudoun County, VA.

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): VA6107550
System type: Community Water System
Population served: 100
Service connections: 46
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2013 – September 3, 2013
Resolved
Initial, Follow-up, or Routine Source Water M/R
—
Lead and Copper Rule
October 1, 2011 – August 21, 2012
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2011 – March 31, 2011
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2010 – September 30, 2010
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2009 – December 15, 2009
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2009 – June 30, 2009
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2009 – March 31, 2009
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2009 – December 31, 2011
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2009 – December 31, 2011
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 2002 – June 30, 2002
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 1999 – July 31, 1999
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 1995 – December 31, 1995
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 1995 – September 30, 1995
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 1995 – August 31, 1995
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 1994 – December 31, 1994
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 1994 – November 30, 1994
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
March 1, 1994 – March 31, 1994
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
March 1, 1993 – March 31, 1993
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 1993 – February 28, 1993
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
June 1, 1992 – June 30, 1992
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
November 1, 1991 – November 30, 1991
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 1991 – September 30, 1991
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 1991 – September 30, 1991
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
August 1, 1991 – August 31, 1991
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 1981 – October 31, 1981
Resolved

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, 2013 – September 3, 2013	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2011 – August 21, 2012	Initial, Follow-up, or Routine Source Water M/R	Lead and Copper Rule	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2009 – December 15, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2009 – March 31, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2009 – December 31, 2011	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2009 – December 31, 2011	Monitoring and Reporting (DBP)	TTHM	—	Resolved
June 1, 2002 – June 30, 2002	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 1999 – July 31, 1999	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
December 1, 1995 – December 31, 1995	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
September 1, 1995 – September 30, 1995	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
August 1, 1995 – August 31, 1995	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
December 1, 1994 – December 31, 1994	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
November 1, 1994 – November 30, 1994	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
March 1, 1994 – March 31, 1994	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
March 1, 1993 – March 31, 1993	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
February 1, 1993 – February 28, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
June 1, 1992 – June 30, 1992	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
November 1, 1991 – November 30, 1991	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
September 1, 1991 – September 30, 1991	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
September 1, 1991 – September 30, 1991	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
August 1, 1991 – August 31, 1991	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Archived
October 1, 1981 – October 31, 1981	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved

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

Enforcement actions

August 21, 2013State Formal Notice of Violation issued2 linked violations
September 11, 2012State Compliance achieved4 linked violations
August 21, 2012State Compliance achieved2 linked violations
December 2, 2011State Formal Notice of Violation issued1 linked violation
December 2, 2011State Public Notification requested2 linked violations
December 1, 2011State Public Notification requested2 linked violations
August 3, 2011State Compliance achieved2 linked violations
March 31, 2011State Public Notification received1 linked violation
March 22, 2011State Public Notification requested2 linked violations
January 6, 2011State Public Notification requested2 linked violations
January 6, 2011State Formal Notice of Violation issued1 linked violation
September 30, 2010State Compliance achieved3 linked violations
March 11, 2010State Public Notification received4 linked violations
March 2, 2010State Public Notification requested3 linked violations
August 24, 2000State Compliance achieved3 linked violations
July 17, 2000State Violation/Reminder Notice5 linked violations
September 6, 1999State Compliance achieved1 linked violation
October 10, 1995State Compliance achieved3 linked violations
February 13, 1994State Compliance achieved6 linked violations
January 2, 1994State Compliance achieved2 linked violations
January 2, 1994State Compliance achieved2 linked violations
January 2, 1994State Compliance achieved1 linked violation
January 2, 1994State Compliance achieved2 linked violations
January 2, 1994State Compliance achievedgeneral compliance action — not tied to a specific violation on record
January 2, 1994State Compliance achieved1 linked violation
January 2, 1994State Compliance achieved2 linked violations
January 2, 1994State Compliance achievedgeneral compliance action — not tied to a specific violation on record
January 2, 1994State Compliance achieved2 linked violations
January 2, 1994State Compliance achievedgeneral compliance action — not tied to a specific violation on record
January 2, 1994State Compliance achieved2 linked violations
January 2, 1994State Compliance achievedgeneral compliance action — not tied to a specific violation on record
January 2, 1994State Compliance achieved2 linked violations
January 2, 1994State Compliance achievedgeneral compliance action — not tied to a specific violation on record
January 2, 1994State Compliance achieved2 linked violations
January 2, 1994State Compliance achievedgeneral compliance action — not tied to a specific violation on record
January 2, 1994State Compliance achieved1 linked violation
October 1, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
October 1, 1990State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record

Last known contact on file (system is inactive)

BEREZOSKI, TOM

703-729-0805

ASHBURN, VA 20147