F0/100
QUANTICO MARINE BASE-MAINSIDE — Water Quality Report 2026
Serving 19,000 people · Virginia
Water Source
Surface Water
County
—
System ID
VA6153675
Violations
58
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 290.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
2
Unresolved
2
Health-Related
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2025 – September 30, 2025Rule: Stage 2 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2025 – June 30, 2025Rule: Stage 2 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About QUANTICO MARINE BASE-MAINSIDE
Is QUANTICO MARINE BASE-MAINSIDE water safe to drink?
QUANTICO MARINE BASE-MAINSIDE water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 58 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has QUANTICO MARINE BASE-MAINSIDE detected?
69 contaminants were tested in QUANTICO MARINE BASE-MAINSIDE's water. Notable contaminants include Lead (90th percentile), chlorate. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).
Does QUANTICO MARINE BASE-MAINSIDE have any EPA violations?
Yes, QUANTICO MARINE BASE-MAINSIDE has 58 EPA violation(s) on record, with the most recent in 2025. Violation types include MCL, MR, TT. 25 are health-based violations.
How many people does QUANTICO MARINE BASE-MAINSIDE serve?
QUANTICO MARINE BASE-MAINSIDE serves approximately 19,000 people, Virginia.
What type of water does QUANTICO MARINE BASE-MAINSIDE provide?
QUANTICO MARINE BASE-MAINSIDE sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is VA6153675.
How does QUANTICO MARINE BASE-MAINSIDE compare to other utilities in Virginia?
QUANTICO MARINE BASE-MAINSIDE scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Virginia state page for a full comparison of water systems.