Social & Preventive Medicine Environment and health 5b5ea571 Maximum permissible chloride level is - A 200 mg\/litre B 300 mg\/litre C 500 mg\/litre D 600 mg\/litre High-Yield Explanation Park's textbook of preventive and social medicine 23rd edition. *The standard prescribed for chloride is 200 mg/l,the maximum permissible level is 600mg/l.