Question raised in Lok Sabha on Fluoride in Water, 05/08/2016. Several districts in the country have Fluoride in excess of the permissible limit in drinking water, leading to condition known as Fluorosis (Dental, Skeletal and Non-Skeletal Fluorosis). As per Integrated Management Information System (IMIS) of Ministry of Drinking Water and Sanitation as on date, there are about 13,907 habitations in various States with high Fluoride content in the drinking water. About 114.6 lakh persons living in these areas are at risk of Fluorosis.