Your drinking water, decoded
City of Falls Church
Public water system · Virginia · serves 14,600 people · source: Fairfax Water (Potomac + Occoquan) · PWS ID VA6059501
9 contaminants above health guidelines
At 473× the EWG health guideline, one glass of this tap water carries what 473 glasses should.
What’s in the water
× = times the EWG health guidelineAlso above the guideline (4 more): Dichloroacetic acid ×56 · Chloroform ×55 · Chromium (hexavalent) ×21 · Nitrate and nitrite ×7
What actually fixes it
pick by what’s flagged aboveCarbon / pitcher filter
Cuts chlorine taste & some byproducts. A good first step, misses nitrate, chromium-6 & PFAS.
Reverse Osmosis (RO)
Under-sink drinking-water system, removes the widest range: byproducts, nitrate, chromium-6 & PFAS.
Complete system
Softener and carbon for every tap, plus Reverse Osmosis (RO) at the kitchen for what whole-home can’t catch.
Next, start with your water heater
Hard water leaves sediment in a tank water heater and scale in a tankless. A $99 flush clears it, plumbing safety check included. Tankless descaling $300, regularly $350.
Water data via the EWG Tap Water Database (June 2026); this report is not affiliated with EWG. Levels are the latest reported system-wide averages and vary by home and season. Full detail at https://myfreewaterreport.com/water/falls-church. SwiftPro builds and pays for this site. The reports are free whether or not you ever hire us.