Abstract

QUALITY STANDARDS OF MUNICIPAL WATER SUPPLY OF POLLACHI, COIMBATORE DISTRICT, TAMILNADU, INDIA

Dhanalakshmi V. and Shanmuga Priyan R.*

Abstract

In the present study, the physico chemical parameters of municipal drinking water of Pollachi was analyzed from different consumer points during the period of May 2014 to April 2015 at monthly interval. The analytical survey showed that the electrical conductivity (EC) (180 to 192 mMhos/cm), pH (7.3 to 7.9), calcium (12 to 17 mg/l), magnesium ( 5 to 7 mg/l), sodium (10 to 12 mg/l), potassium (3 to 6 mg/l), sulphate (Nil), chloride (10 to 14 mg/l), nitrate (0 to 2 mg/l), total dissolved solids (102 to 110 mg/l) and alkalinity (80 to 87 mg/l).The results revealed that the municipal drinking water contained very low quantity of calcium, magnesium, sodium, chloride, nitrate, total dissolved solids, alkalinity and were falling within the drinking water quality standards laid by WHO and ICMR. The electrical conductivity (180 to 192 mMhos/cm) of drinking water exceeded quality standards laid down by ICMR.

Keywords: Drinking Water Quality standards, Electrical Conductivity, Total Dissolved Solids, Alkalinity.