Groundwater contamination by fluoride is a major concern in many regions of India. Fluoride in excess is one of the most harmful pollutants to human health. Water contains about 80% of the total fluoride acquired in the human body (mg/kg/day). The health risks connected with fluoride-rich ground water must be evaluated. Ajmer district (25°38'-26°58' N: 73°54'-75°22' E) covers an area of 8481 km2.