<prompt> Recommended level of fluoride in drinking water?0.2-0.5 mgL0-5-0.8 mgL0.8-1.2 mgL1.2-2.0 mgL  <response>: Ans. is b i.e., 0.5 - 0.8 mgL The recommended level of fluoride in drinking water in the country is accepted as 0.5 to 0.8 mg Liter. -Park Maximum permissible limit is 1.5 mgLit. 