Who supplies my water · VA

Where Oakton's tap water comes from

EPA records tie Oakton to 2 water systems. Your water bill names the one that serves your address.

Fairfax County · Population 36,732

Water systems for Oakton

Fairfax Water
PWSID VA6059501 · Purity Score 59/100 (Fair) · Confidence: moderate · Assessed at the water-system level
About 90% of Oakton's homes are inside Fairfax Water's service area (EPA service-area map).
Full water report for Fairfax Water Fairfax Water: contact and record
Town of Vienna
PWSID VA6059800 · Purity Score 99/100 (Excellent) · Confidence: moderate · Assessed at the water-system level
About 10% of Oakton's homes are inside Town of Vienna's service area (EPA service-area data).
Full water report for Town of Vienna

System-level records from EPA. Not a test of your tap.

A ZIP code is a postal area, not a water service area. Your water bill names your supplier.