The ground water quality in Coimbatore city along the Noyyal river during pre-monsoon and post-monsoon seasons in 2005 is discussed in this paper. Water samples were collected from 12 wells on either side of the river.
Ground water samples were collected from 18 wards of Coimbatore city south zone, among which 2 samples were collected from 2 different locations from each ward, totaling 36 samples.