<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 o The recommended level of fluoride in drinking water in the country is accepted as 0-5 to 0-8 mg.; Liter. -Park o The maximum permissible limit is T5 mgL it. 