Water quality for ZIP code 22046
ZIP 22046 covers Falls Church, Idylwood, McLean, and West Falls Church in Falls Church city, Virginia. 0 active public water systems serve the county; 0 had an EPA violation in the past three years.
No active community water systems are recorded for Falls Church city. Homes there are likely on private wells or served from a neighbouring county. See the county page for non-community systems.
About this data
Water systems are matched to Falls Church city, the county this ZIP code lies in, largest first. Your exact provider depends on your address and connection; the largest community water system in a county is usually the city or town utility.
ZIP code areas and town boundaries come from the U.S. Census Bureau's 2020 ZCTA files.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Virginia records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.