Chlorides are found commonly in nature as salts of sodium, potassium and calcium.

WHO Limit 

There is no health-based guideline for chloride in drinking-water; however, concentrations exceeding 250mg/l can be tasted.

Symptoms of Chloride Contamination: 

Chloride toxicity is incredibly rare in humans

Treatment Methods: 

• Distillation
• Ion exchange
• Reverse osmosis

For Further Information:

WHO Water Quality Guidelines - 4th Edition

WHO Chloride in Drinking Water