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Quantico Base, VA Tap Water Quality 2026

Water quality report for Quantico Base, VA — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Quantico Base's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Mcb Quantico - Mainside PWSID: VA6153675 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 1.98 ppb, 13% of the action level and no violations are open. PFAS was sampled but not enough times for a compliance determination.

B

Quantico Base earns a B for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: 1.98 ppb — 13% of the federal action level
PFAS sampled, too few results to judge
44 violations since 2015, 19 health-based
No violations currently open
Quantico Base's lead level vs. all Virginia community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.98 ppb — 13% of the federal action level
✓ Lower lead than 52% of Virginia utilities
Population Served
867
~1314 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
44 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
13% of EPA action level
1.98 ppb
Action level: 15 ppb
The 90th-percentile lead result is 1.98 ppb, 13% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
TTHM MCL EXCEEDANCE 96 UG/L 0.080 mg/L 2026 Archived
TTHM MCL EXCEEDANCE 0.092 MG/L 0.080 mg/L 2025 Archived
TTHM MCL EXCEEDANCE 0.093 MG/L 0.080 mg/L 2025 Archived
TTHM MCL EXCEEDANCE 88 UG/L 0.080 mg/L 2025 Archived
CARBON, TOTAL MONITORING AND REPORTING — TT 2019 Resolved
TTHM MCL EXCEEDANCE 0.082 MG/L 0.080 mg/L 2019 Resolved
TTHM MCL EXCEEDANCE 0.083 MG/L 0.080 mg/L 2019 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2019 Resolved
Barium MONITORING AND REPORTING — 2 mg/L 2019 Resolved
Cadmium MONITORING AND REPORTING — 0.005 mg/L 2019 Resolved
Chromium MONITORING AND REPORTING — 0.1 mg/L 2019 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2019 Resolved
Nickel MONITORING AND REPORTING — — 2019 Resolved
Antimony, Total MONITORING AND REPORTING — 0.006 mg/L 2019 Resolved
Beryllium, Total MONITORING AND REPORTING — 0.004 mg/L 2019 Resolved
Thallium, Total MONITORING AND REPORTING — 0.002 mg/L 2019 Resolved
Selenium MONITORING AND REPORTING — 0.05 mg/L 2019 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.062 MG/L 0.060 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 0.083 MG/L 0.080 mg/L 2018 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2018 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.067 MG/L 0.060 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 0.088 MG/L 0.080 mg/L 2018 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.064 MG/L 0.060 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 0.1 MG/L 0.080 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 0.11 MG/L 0.080 mg/L 2017 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2017 Resolved
TTHM MCL EXCEEDANCE 0.098 MG/L 0.080 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 0.086 MG/L 0.080 mg/L 2017 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2015 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2015 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.067 MG/L 0.060 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.062 MG/L 0.060 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.065 MG/L 0.060 mg/L 2015 Resolved
Coliform (TCR) MCL EXCEEDANCE — 5% of samples 2015 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2015 Resolved
Barium MONITORING AND REPORTING — 2 mg/L 2015 Resolved
Cadmium MONITORING AND REPORTING — 0.005 mg/L 2015 Resolved
Chromium MONITORING AND REPORTING — 0.1 mg/L 2015 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2015 Resolved
Nickel MONITORING AND REPORTING — — 2015 Resolved
Antimony, Total MONITORING AND REPORTING — 0.006 mg/L 2015 Resolved
Beryllium, Total MONITORING AND REPORTING — 0.004 mg/L 2015 Resolved
Thallium, Total MONITORING AND REPORTING — 0.002 mg/L 2015 Resolved
Selenium MONITORING AND REPORTING — 0.05 mg/L 2015 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

44 violations are on record since 2015, of which 19 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Mcb Quantico - Mainside
PWSID VA6153675
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 867
Service connections 1,314
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Quantico Base tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 1.98 ppb, 13% of the action level.
Does Quantico Base water have PFAS? ▼
It was sampled, but no sampling point had enough results for a compliance determination.
Who supplies water to Quantico Base? ▼
Mcb Quantico - Mainside (PWSID VA6153675), one of 2 systems serving this area. Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2025-07-31. No significant deficiencies were recorded.

What Should Quantico Base Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

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