Copper

Cu

Metal

Limit values

WHO Limit

2 mg/L

EU Limit

2 mg/L

US Limit

Unknown.

EWG Limit

300 ppb

Ratings

Distillation
Carbon filters
Membrane filters

References

  1. Bruce Dvorak and Sharon O Skipton,
    Drinking Water Treatment: Reversen Osmosis, NebGuide (2014)
  2. Midwest Laboratories,
    An evaluation of the Pure Water Midi D Model ECP Distillation System, and the Pure Water A-12 Distillation System for removing select contaminants from drinking water, Scientific Report (1996)