4e3eafac_ell_Water_Treatment_Strategies__What_it_does
[Treatment process] Distillation [Contaminants Removed/Altered] Distillation removes nearly all contaminants from water but is rather energy-intensive. [What it does] 
By boiling water, vapor is formed and condensed. The contaminants are left in the boiling chamber.
Well Water Treatment Strategies
What it does