Removal of Lead, Cadmium and Chloride from Drinking Water

Hi Experts,

Kindly advise me on the best method I can use to simultaneously remove Lead, Cadmium and Chlordane from potable water.

The volume of 10000 litres/day. The concentration of Lead, Cadmium and chloride in water is 0.7 mg/l, 0.9 mg/l and 500 mg/l -Cl respectively. 

Thank you for your timely assistance.