It is well known that the excess fluoride intake is responsible for dental and skeleton fluorosis. Villages of Bastar block and bakawand block are badly affected with fluoride. The reason is that a high concentration of fluoride water used by villagers for drinking and cooking purpose where groundwater is the major source of drinking water, water with fluoride content more than 1.5ppm may cause fluorosis. In the present study randomly selected primary and middle schools of Bastar and bakawand block, where the highest percentage of dental fluorosis was seen in 7 to 14 yrs age group children and in some places crippling lower limbs also noted. Since Bastar has a dense forest, heavy rainfall occurs during the mansoon season. There are no chemical factories in the district and nearby districts. Pollution free rainwater can be stored in cisterns and reservoirs by rainwater harvesting. This water can use to dilute the fluoride concentration and water level to be maintained.