STUDY ON WATER QUALITY OF CHUNKURI, DHAKI AND VODRA RIVER

Abstract

ABSTRACT Water is known as the most important and major requirement for life and life supporting activities. The usual source of drinking water from streams, rivers, wells are usually not treated. Present study was conducted to assess some physio-chemical properties of water collected from different point of Chunkuri, Dhaki and Vodra rivers of Bangladesh. To reach the goal of our study total 21 samples were collected from the three rivers randomly to analyze the physio-chemical properties: Color, Odor, pH, Total Dissolved Solids (TDS), EC, Turbidity, Chlorine, DO and BOD5. Results from our study showed that most of the parameters did not exceed the maximum permissible limit except Turbidity. Study revealed that pH: 7.99, 8.03 and 7.99; TDS: 270.17, 265 and 326.17 mg l -1 ; EC: 573.5, 602.17 and 668.17 µscm -1 ; Turbidity: 16.58, 38.42 and 64.51 NUT; Chlorine: 232.12, 537.93 and 903.14 mg l -1 ; DO: 7.07, 6.01 and 8.4 mg l ; BOD5: 3.8, 3.32 and 4.55 mg l -1 for Chunkuri, Dhaki and Vodra rivers respectively. The average turbidity of Chunkuri, Dhaki and Vodra rivers were 16.58, 38.42 and 64.51 NTU, where standard Turbidity is 5 NTU but ideal is 1 NTU. Water color were black, ash and light grey with foul odor driven by huge contaminant factors. Proper embankment plantations, riparian management in the watersheds can help to improve the water quality of these rivers. -1