All India Co-ordinated Research Project on Pesticide Residues, Andhra Pradesh Agricultural University, College of Agriculture, Rajendranagar, Hyderabad-500 030, Andhra Pradesh, India.
Online published on 3 November, 2011.
The river, tank and canal water of four districts viz., Krishna, Mahabubnagar, Godavari and Nellore, was found to be contaminated with HCH residues. The tank water of Godavari district recorded highest HCH residues (50.98 ppb) followed by river Krishna (50.69 ppb) at Krishna district, Godavari river (43.99 ppb) and Krishna river (23.37 ppb) at Mahabubnagar district. Lindane residues were the highest in canal water (10.90 ppb) of Godavari district. The river, tank and canal waters of Mahabubnagar, tank water of Godavari and Nellore, river water of Krishna district were found to be contaminated with DDT. River Godavari recorded the highest residues of DDT (251.00 ppb). Aldrin (including dieldrin) residues were recorded in river, tank and canal water of Krishna district, Pebara canal of Mahabubnagar and Kanigiri tank of Nellore districts with maximum residues recorded in canal water (27.80 ppb) of Krishna district.
Pesticide residues, river, tank, canal, water, lindane, HCH, DDT, aldrin, dieldrin
