Vegetos

Abstract

Efforts were made to evaluate the haz-ardous pesticide in ground drinking water from different villages located at Kali east river. Pesti-cides are of concern because of their bio-concentration activity, lipophylic nature, long life time and long range transportation Total 64 ground water samples and 4 surface water sam-ples collected from hand pumps and tube wells were analyzed for 13 pesticides. Liquid-liquid extraction method was carried out and GC-ECD was performed. The Eldrin concentration was higher and another was within the permissible limit (WHO 2004) The concentration of DDT, its derivatives, BHC and its derivatives were in the permissible limit except γ BHC. Heptachlor and their derivatives, aldrin and Endosulphane were found under the permissible limit. Direct run-off, leaching and careless disposal are major factors responsible for pesticides incidence in ground-water aquifer, the only source of drinking water in the study area.