ROCKVILLE, VA · Caroline County
TWIN CEDARS 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)
- VA6033700
- System type
- Community Water System
- Population served
- 90
- Service connections
- 30
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Monitoring, Routine Minor (TCR)
—Coliform (TCR)
January 1, 2015 – January 31, 2015
ResolvedMonitoring, Source Water (GWR)
—E. COLI
December 23, 2014 – July 20, 2015
ResolvedMonitoring, Source Water (GWR)
—E. COLI
December 3, 2014 – July 20, 2015
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
December 1, 2014 – December 31, 2014
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
April 1, 2013 – April 30, 2013
ResolvedMonitoring, Source Water (GWR)
—E. COLI
February 1, 2013 – March 28, 2013
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
January 1, 2013 – January 31, 2013
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
January 1, 2013 – January 31, 2013
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
January 1, 2012 – January 31, 2012
ResolvedMonitoring, Source Water (GWR)
—E. COLI
August 13, 2011 – August 29, 2011
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
July 1, 2011 – July 31, 2011
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
June 1, 2011 – June 30, 2011
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
May 1, 2011 – May 31, 2011
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
June 1, 2009 – June 30, 2009
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
May 1, 2007 – May 31, 2007
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
October 1, 2004 – October 31, 2004
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
September 1, 2004 – September 30, 2004
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
August 1, 2004 – August 31, 2004
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
May 1, 2004 – May 31, 2004
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
January 1, 2004 – January 31, 2004
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
June 1, 2003 – June 30, 2003
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
January 1, 2002 – January 31, 2002
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
December 1, 1998 – December 31, 1998
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
November 1, 1998 – November 30, 1998
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
August 1, 1998 – August 31, 1998
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 1998 – July 31, 1998
ArchivedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
December 1, 1996 – December 31, 1996
ArchivedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
December 1, 1995 – December 31, 1995
ArchivedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
November 1, 1995 – November 30, 1995
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
April 1, 1994 – April 30, 1994
ArchivedMonitoring, Regular
—Arsenic
May 1, 1985 – September 30, 1985
ResolvedMonitoring, Regular
—Barium
May 1, 1985 – September 30, 1985
ResolvedMonitoring, Regular
—Cadmium
May 1, 1985 – September 30, 1985
ResolvedMonitoring, Regular
—Chromium
May 1, 1985 – September 30, 1985
ResolvedMonitoring, Regular
—Mercury
May 1, 1985 – September 30, 1985
ResolvedMonitoring, Regular
—Nitrate
May 1, 1985 – September 30, 1985
ResolvedMonitoring, Regular
—Selenium
May 1, 1985 – September 30, 1985
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 |
|---|---|---|---|---|
| January 1, 2015 – January 31, 2015 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| December 23, 2014 – July 20, 2015 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| December 3, 2014 – July 20, 2015 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| December 1, 2014 – December 31, 2014 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| April 1, 2013 – April 30, 2013 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| February 1, 2013 – March 28, 2013 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| January 1, 2013 – January 31, 2013 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2013 – January 31, 2013 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2012 – January 31, 2012 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| August 13, 2011 – August 29, 2011 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| July 1, 2011 – July 31, 2011 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| June 1, 2011 – June 30, 2011 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| May 1, 2011 – May 31, 2011 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
| June 1, 2009 – June 30, 2009 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
| May 1, 2007 – May 31, 2007 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 2004 – October 31, 2004 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| September 1, 2004 – September 30, 2004 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| August 1, 2004 – August 31, 2004 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
| May 1, 2004 – May 31, 2004 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| January 1, 2004 – January 31, 2004 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| June 1, 2003 – June 30, 2003 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2002 – January 31, 2002 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| December 1, 1998 – December 31, 1998 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| November 1, 1998 – November 30, 1998 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| August 1, 1998 – August 31, 1998 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| July 1, 1998 – July 31, 1998 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| December 1, 1996 – December 31, 1996 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Archived |
| December 1, 1995 – December 31, 1995 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Archived |
| November 1, 1995 – November 30, 1995 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Archived |
| April 1, 1994 – April 30, 1994 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| May 1, 1985 – September 30, 1985 | Monitoring, Regular | Arsenic | — | Resolved |
| May 1, 1985 – September 30, 1985 | Monitoring, Regular | Barium | — | Resolved |
| May 1, 1985 – September 30, 1985 | Monitoring, Regular | Cadmium | — | Resolved |
| May 1, 1985 – September 30, 1985 | Monitoring, Regular | Chromium | — | Resolved |
| May 1, 1985 – September 30, 1985 | Monitoring, Regular | Mercury | — | Resolved |
| May 1, 1985 – September 30, 1985 | Monitoring, Regular | Nitrate | — | Resolved |
| May 1, 1985 – September 30, 1985 | Monitoring, Regular | Selenium | — | Resolved |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- July 20, 2015State Compliance achieved4 linked violations
- July 20, 2015State Compliance achieved3 linked violations
- March 4, 2015State Public Notification received6 linked violations
- February 18, 2015State Public Notification requested2 linked violations
- February 18, 2015State Formal Notice of Violation issued2 linked violations
- January 30, 2015State Public Notification requested4 linked violations
- January 30, 2015State Formal Notice of Violation issued4 linked violations
- December 22, 2014State Formal Notice of Violation issued3 linked violations
- May 16, 2013State Public Notification requested1 linked violation
- May 16, 2013State Formal Notice of Violation issued1 linked violation
- May 6, 2013State Public Notification received1 linked violation
- May 6, 2013State Public Notification received1 linked violation
- April 22, 2013State Compliance achieved1 linked violation
- April 15, 2013State Public Notification requested1 linked violation
- April 15, 2013State Formal Notice of Violation issued1 linked violation
- March 26, 2013State Formal Notice of Violation issued1 linked violation
- March 26, 2013State Public Notification requested1 linked violation
- March 20, 2013State Compliance achieved1 linked violation
- March 7, 2013State Public Notification received3 linked violations
- February 22, 2013State Public Notification requested3 linked violations
- February 22, 2013State Formal Notice of Violation issued3 linked violations
- February 20, 2013State Compliance achieved2 linked violations
- January 4, 2013State Public Notification received1 linked violation
- December 4, 2012State Formal Notice of Violation issued1 linked violation
- December 4, 2012State Public Notification requested1 linked violation
- October 17, 2012State Compliance achieved1 linked violation
- March 12, 2012State Public Notification received1 linked violation
- February 28, 2012State Compliance achieved1 linked violation
- February 17, 2012State Public Notification requested1 linked violation
- February 17, 2012State Formal Notice of Violation issued1 linked violation
- January 3, 2012State Public Notification received1 linked violation
- January 3, 2012State Public Notification received1 linked violation
- January 3, 2012State Public Notification received1 linked violation
- September 8, 2011State Public Notification received1 linked violation
- September 8, 2011State Public Notification received1 linked violation
- August 29, 2011State Compliance achieved8 linked violations
- August 22, 2011State Formal Notice of Violation issued1 linked violation
- August 22, 2011State Formal Notice of Violation issued1 linked violation
- August 22, 2011State Public Notification requested1 linked violation
- August 22, 2011State Public Notification requested1 linked violation
- August 4, 2011State Public Notification requested1 linked violation
- August 4, 2011State Formal Notice of Violation issued1 linked violation
- July 22, 2011State Public Notification requested1 linked violation
- July 22, 2011State Formal Notice of Violation issued1 linked violation
- July 20, 2011State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- July 20, 2011State Public Notification received4 linked violations
- July 20, 2011State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- July 1, 2011State Public Notification requested1 linked violation
- June 24, 2011State Public Notification requested1 linked violation
- June 24, 2011State Public Notification requested1 linked violation
- June 24, 2011State Formal Notice of Violation issued1 linked violation
- June 24, 2011State Formal Notice of Violation issued1 linked violation
- June 22, 2011State Compliance achieved1 linked violation
- March 16, 2011State Public Notification requested1 linked violation
- March 16, 2011State Formal Notice of Violation issued1 linked violation
- March 9, 2011State Public Notification received1 linked violation
- February 18, 2011State Formal Notice of Violation issued1 linked violation
- February 18, 2011State Public Notification requested1 linked violation
- September 14, 2009State Public Notification received1 linked violation
- August 25, 2009State Compliance achieved1 linked violation
- August 25, 2009State Compliance achieved1 linked violation
- August 19, 2009State Public Notification requested1 linked violation
- August 19, 2009State Formal Notice of Violation issued1 linked violation
- August 5, 2009State Formal Notice of Violation issued1 linked violation
- August 5, 2009State Public Notification requested1 linked violation
- September 4, 2007State Public Notification received1 linked violation
- August 22, 2007State Compliance achieved1 linked violation
- July 3, 2007State Compliance achieved1 linked violation
- June 27, 2007State Public Notification received3 linked violations
- June 25, 2007State Compliance achieved1 linked violation
- February 2, 2005State Formal Notice of Violation issued4 linked violations
- December 3, 2004State Compliance achieved38 linked violations
- October 28, 2004State Formal Notice of Violation issued5 linked violations
- September 6, 2004State Public Notification received5 linked violations
- June 15, 2004State Formal Notice of Violation issued4 linked violations
- June 9, 2004State Compliance achieved3 linked violations
- April 27, 2004State Compliance achieved3 linked violations
- November 20, 2003State Public Notification requested4 linked violations
- July 25, 2003State Formal Notice of Violation issued2 linked violations
- June 21, 2001State Formal Notice of Violation issued8 linked violations
Contact
SCALLAN, DEVON
804-749-8868
ROCKVILLE, VA 23146