ROCKVILLE, VA · Caroline County

LAKE CAROLINE 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): VA6033425
System type: Community Water System
Population served: 2,933
Service connections: 1,173
Ownership: privately owned
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2012 – July 2, 2013
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2011 – July 2, 2013
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2009 – September 30, 2009
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2009 – September 30, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2009 – June 30, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2009 – June 30, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2009 – March 31, 2009
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
January 1, 2009 – March 31, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2009 – March 31, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2008 – December 31, 2008
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
October 1, 2008 – December 31, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2008 – December 31, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2008 – September 30, 2008
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
July 1, 2008 – September 30, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2008 – September 30, 2008
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
April 1, 2008 – June 30, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2008 – June 30, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2008 – June 30, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2008 – March 31, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2008 – March 31, 2008
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
January 1, 2008 – March 31, 2008
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
October 1, 2007 – December 31, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2007 – December 31, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2007 – September 30, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2007 – September 30, 2007
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
July 1, 2007 – September 30, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2007 – June 30, 2007
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
April 1, 2007 – June 30, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2007 – June 30, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2007 – March 31, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2007 – March 31, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2006 – December 31, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2006 – December 31, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2006 – September 30, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2006 – June 30, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2006 – March 31, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2006 – March 31, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2005 – December 31, 2005
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2005 – September 30, 2005
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
July 1, 2005 – September 30, 2005
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
January 1, 2005 – March 31, 2005
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2005 – March 31, 2005
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2004 – December 31, 2004
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2004 – December 31, 2004
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2004 – June 30, 2004
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2004 – June 30, 2004
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
January 1, 2004 – March 31, 2004
Resolved
OCCT/SOWT Treatment Installation/Demonstration
Health-based
Lead and Copper Rule
December 31, 1996 – June 15, 1999
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
May 1, 1992 – May 31, 1992
Archived
Monitoring, Regular
—
Selenium
May 1, 1985 – July 31, 1985
Resolved
Monitoring, Regular
—
Nitrate
May 1, 1985 – April 30, 1986
Resolved
Monitoring, Regular
—
Nitrate
May 1, 1985 – July 31, 1985
Resolved
Monitoring, Regular
—
Mercury
May 1, 1985 – April 30, 1986
Resolved
Monitoring, Regular
—
Mercury
May 1, 1985 – July 31, 1985
Resolved
Monitoring, Regular
—
Fluoride
May 1, 1985 – April 30, 1986
Resolved
Monitoring, Regular
—
Fluoride
May 1, 1985 – July 31, 1985
Resolved
Monitoring, Regular
—
Chromium
May 1, 1985 – April 30, 1986
Resolved
Monitoring, Regular
—
Chromium
May 1, 1985 – July 31, 1985
Resolved
Monitoring, Regular
—
Cadmium
May 1, 1985 – April 30, 1986
Resolved
Monitoring, Regular
—
Cadmium
May 1, 1985 – July 31, 1985
Resolved
Monitoring, Regular
—
Barium
May 1, 1985 – April 30, 1986
Resolved
Monitoring, Regular
—
Barium
May 1, 1985 – July 31, 1985
Resolved
Monitoring, Regular
—
Arsenic
May 1, 1985 – April 30, 1986
Resolved
Monitoring, Regular
—
Arsenic
May 1, 1985 – July 31, 1985
Resolved
Monitoring, Regular
—
Selenium
May 1, 1985 – April 30, 1986
Resolved
Monitoring, Regular
—
Barium
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
2,4,5-TP
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
2,4-D
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Toxaphene
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Methoxychlor
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
BHC-GAMMA
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Endrin
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Selenium
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Mercury
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Chromium
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Cadmium
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Arsenic
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 1, 1977 – May 31, 1981
Archived
Monitoring, Regular
—
Combined Radium (-226 and -228)
June 1, 1977 – May 31, 1981
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, 2012 – July 2, 2013	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2011 – July 2, 2013	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2009 – June 30, 2009	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2009 – June 30, 2009	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2009 – March 31, 2009	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2009 – March 31, 2009	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
January 1, 2009 – March 31, 2009	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2008 – December 31, 2008	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
October 1, 2008 – December 31, 2008	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
October 1, 2008 – December 31, 2008	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2008 – September 30, 2008	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
July 1, 2008 – September 30, 2008	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
July 1, 2008 – September 30, 2008	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2008 – June 30, 2008	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
April 1, 2008 – June 30, 2008	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2008 – June 30, 2008	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2008 – March 31, 2008	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2008 – March 31, 2008	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2008 – March 31, 2008	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
October 1, 2007 – December 31, 2007	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
October 1, 2007 – December 31, 2007	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2007 – September 30, 2007	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
July 1, 2007 – September 30, 2007	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2007 – September 30, 2007	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
April 1, 2007 – June 30, 2007	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2007 – June 30, 2007	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
April 1, 2007 – June 30, 2007	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2007 – March 31, 2007	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2007 – March 31, 2007	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
October 1, 2006 – December 31, 2006	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2006 – December 31, 2006	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
July 1, 2006 – September 30, 2006	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2006 – June 30, 2006	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2006 – March 31, 2006	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2006 – March 31, 2006	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2005 – December 31, 2005	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2005 – September 30, 2005	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2005 – September 30, 2005	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
January 1, 2005 – March 31, 2005	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
January 1, 2005 – March 31, 2005	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
October 1, 2004 – December 31, 2004	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
October 1, 2004 – December 31, 2004	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2004 – June 30, 2004	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
April 1, 2004 – June 30, 2004	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2004 – March 31, 2004	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
December 31, 1996 – June 15, 1999	OCCT/SOWT Treatment Installation/Demonstration	Lead and Copper Rule	Health-based	Resolved
May 1, 1992 – May 31, 1992	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
May 1, 1985 – July 31, 1985	Monitoring, Regular	Selenium	—	Resolved
May 1, 1985 – April 30, 1986	Monitoring, Regular	Nitrate	—	Resolved
May 1, 1985 – July 31, 1985	Monitoring, Regular	Nitrate	—	Resolved
May 1, 1985 – April 30, 1986	Monitoring, Regular	Mercury	—	Resolved
May 1, 1985 – July 31, 1985	Monitoring, Regular	Mercury	—	Resolved
May 1, 1985 – April 30, 1986	Monitoring, Regular	Fluoride	—	Resolved
May 1, 1985 – July 31, 1985	Monitoring, Regular	Fluoride	—	Resolved
May 1, 1985 – April 30, 1986	Monitoring, Regular	Chromium	—	Resolved
May 1, 1985 – July 31, 1985	Monitoring, Regular	Chromium	—	Resolved
May 1, 1985 – April 30, 1986	Monitoring, Regular	Cadmium	—	Resolved
May 1, 1985 – July 31, 1985	Monitoring, Regular	Cadmium	—	Resolved
May 1, 1985 – April 30, 1986	Monitoring, Regular	Barium	—	Resolved
May 1, 1985 – July 31, 1985	Monitoring, Regular	Barium	—	Resolved
May 1, 1985 – April 30, 1986	Monitoring, Regular	Arsenic	—	Resolved
May 1, 1985 – July 31, 1985	Monitoring, Regular	Arsenic	—	Resolved
May 1, 1985 – April 30, 1986	Monitoring, Regular	Selenium	—	Resolved
June 24, 1980 – June 23, 1981	Monitoring, Regular	Barium	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	2,4,5-TP	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	2,4-D	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	Toxaphene	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	Methoxychlor	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	BHC-GAMMA	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	Endrin	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	Selenium	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	Mercury	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	Chromium	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	Cadmium	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	Arsenic	—	Archived
June 1, 1977 – May 31, 1981	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
June 1, 1977 – May 31, 1981	Monitoring, Regular	Combined Radium (-226 and -228)	—	Archived

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

Enforcement actions

July 2, 2013State Compliance achieved16 linked violations
September 30, 1986State Public Notification receivedgeneral compliance action — not tied to a specific violation on record

Contact

SCALLAN, DEVON

804-749-8868

ROCKVILLE, VA 23146