No abstract

Physio-chemical parameters namely temperature, pH, electrical conductivity, total suspended solids, chloride content and rate of discharge of spring’s water from 92 (ninety-two) sampling locations in Chandel district were studied. Measurement of rate of discharge, temperature, electrical conductivity and pH were carried on the site of sampling, whereas other parameters were analysed in laboratory. The measurement and analysis results showed that the discharge of spring’s water at the sampling locations range from 0.014x 10-5 – 3.7 x 10-5 m 3 /s, temperature from 18 – 31˚C, pH from 6.5 – 9.2, electrical conductivity from 10 – 640 µS, Total suspended solids from 1 – 180 mgL-1 and chloride content range from 4 – 64 mgL-1 . The average values were 0.212 x 10-5 m 3 /s, 23.97˚C, 7.92, 131.65 µS, 13.66 mgL-1 and 19.52 mgL-1 respectively. By comparing the quality of spring water with the standards, the values of the parameters did not exceed and are within the permissible limit prescribed by World Health Organization (WHO). Further, multivariate analysis (using cluster analysis) was carried out to identify the spatial relationship of the spring’s water quality between the sampling locations. The results showed that out of total sampling station, 69 (sixtynine) has similarity of about 60-70 %, whereas 5(five) sampling locations has about 90% similarity and remaining 18 (eighteen) has only about 45% similarity. Amongst the spring’s water quality, the samples collected from Chakpikarong sub-division have higher water quality