Tap Water Quality Report for Fairfax, Virginia

Last Provided Update:N/A
Next Expected Update:April 19, 2025

Track your tap water quality with EPA-verified data on contaminants, violations, and health guidelines, updated quarterly from official water system monitoring results.

Fairfax, Virginia tap water has 124 total contaminants, with 3 being above EPA standards and 67 being above InTheTap suggested standards. There are 0 active violations. The primary water source is not specified, serving 0 residents.

Water Systems (5)

5 water systems serve Fairfax, Virginia. Select one or more to filter the data below.

FAIRFAX COUNTY WATER AUTHORITY
Public Water System ID:VA6059501
Population Served:1,121,613
Primary Source:Surface water
Last Updated:Nov 21, 2024
Contact:
FORT BELVOIR
Public Water System ID:VA6059450
Population Served:39,303
Primary Source:Surface water purchased
Last Updated:Nov 21, 2024
Contact:
VIENNA, TOWN OF
Public Water System ID:VA6059800
Population Served:30,000
Primary Source:Surface water purchased
Last Updated:Nov 21, 2024
Contact:
HERNDON, TOWN OF
Public Water System ID:VA6059550
Population Served:24,601
Primary Source:Surface water purchased
Last Updated:Nov 21, 2024
Contact:
TAUXEMONT
Public Water System ID:VA6059750
Population Served:250
Primary Source:Ground water
Last Updated:Nov 21, 2024
Contact:

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Water Quality Analysis

Comprehensive analysis of your water quality, showing both detected contaminants and violations history. Note that exceeding EPA contaminant levels in a single test doesn't always constitute a violation, as violations typically require sustained exceedances or failure to follow required treatment protocols.

Water Analysis

View detected contaminants and concentration levels for your water system(s).