MCINCR, MCB QUANTICO, VA · Prince William County

QUANTICO MARINE BASE-MAINSIDE 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): VA6153675
System type: Community Water System
Population served: 19,000
Service connections: 1,314
Ownership: federal government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2025 – December 31, 2025
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2025 – September 30, 2025
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2025 – June 30, 2025
Archived
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
October 1, 2019 – November 8, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2019 – June 30, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Mercury
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
Chromium
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
Barium
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
Nickel
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
Selenium
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2019 – December 31, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2018 – December 31, 2018
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2018 – September 25, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2018 – December 31, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2018 – September 30, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2018 – September 30, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2018 – June 30, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2018 – March 31, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2017 – December 31, 2017
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
October 1, 2017 – December 11, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2017 – September 30, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2017 – June 30, 2017
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
November 1, 2015 – November 30, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2015 – December 31, 2015
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
October 1, 2015 – October 31, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2015 – September 30, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2015 – June 30, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
March 1, 2015 – March 31, 2015
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
Barium
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
Selenium
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
Nickel
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
Mercury
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
Chromium
January 1, 2015 – December 31, 2015
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
June 1, 1999 – June 30, 1999
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 1999 – May 31, 1999
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 1998 – December 31, 1998
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 1996 – July 31, 1996
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
March 1, 1996 – March 31, 1996
Resolved
Monitoring, Regular
—
Nitrate
July 1, 1984 – June 30, 1987
Archived
Monitoring, Regular
—
Selenium
July 1, 1984 – June 30, 1987
Archived

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

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2025 – December 31, 2025	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
July 1, 2025 – September 30, 2025	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
April 1, 2025 – June 30, 2025	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
October 1, 2019 – November 8, 2019	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
April 1, 2019 – June 30, 2019	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2019 – March 31, 2019	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	Mercury	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	Chromium	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	Barium	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	Nickel	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	Selenium	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	Antimony, Total	—	Resolved
October 1, 2018 – December 31, 2018	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2018 – September 25, 2019	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
October 1, 2018 – December 31, 2018	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
July 1, 2018 – September 30, 2018	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2018 – September 30, 2018	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
April 1, 2018 – June 30, 2018	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2018 – March 31, 2018	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2017 – December 31, 2017	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2017 – December 11, 2017	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
July 1, 2017 – September 30, 2017	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2017 – June 30, 2017	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
November 1, 2015 – November 30, 2015	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
October 1, 2015 – December 31, 2015	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
October 1, 2015 – October 31, 2015	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
July 1, 2015 – September 30, 2015	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
April 1, 2015 – June 30, 2015	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
March 1, 2015 – March 31, 2015	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	Barium	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	Selenium	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	Nickel	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	Mercury	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	Chromium	—	Resolved
June 1, 1999 – June 30, 1999	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
May 1, 1999 – May 31, 1999	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
December 1, 1998 – December 31, 1998	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 1996 – July 31, 1996	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
March 1, 1996 – March 31, 1996	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 1984 – June 30, 1987	Monitoring, Regular	Nitrate	—	Archived
July 1, 1984 – June 30, 1987	Monitoring, Regular	Selenium	—	Archived

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

Enforcement actions

March 20, 2020State Public Notification requested52 linked violations
January 8, 2016State Public Notification requested61 linked violations

Contact

GARDNER, OMAR

703-432-0539

MCINCR, MCB QUANTICO, VA 22134