Investigation of Fluoride in Drinking Water in Rural Area of Linfen, Shanxi Province, in 2006

Objective To understand the content of fluoride in dinking water in the rural area in Yaodu district and to provide the data for water improvement. Methods 873 water samples were randomly collected from 175 villages in Yaodu district during Apr.-Sep., 2006 and the fluoride ion selective electrode was used to determine the fluoride in dinking water. Results The eligible rate of fluoride concentration in the investigated drinking water samples was 54.75%. The range of fluoride concentration was 0.24-5.44 mg/L. Conclusion The investigated area is the moderate or severe prevalent area of endemic fluorosis, water improvement should be enhanced in this area.