Abstract:
Water is essential for all living things and any activities for preserving several environments’
resource. World water resources quality could be polluted with both natural and man-made
factors. The quality of water supplied to consumers’ was not comfortable and supported by
world health organization standard of guidelines in case of color and taste. The purpose of the
study was analysis of drinking water quality by using Canadian water quality index in case of
Dincha River, Bonga, Ethiopia. Dincha River is a well-known river in Bonga town in all peoples
who live in this town use it for several purposes. Water sample was collected from three selected
sampling stations such as Sheka, Sheta and Dincha respectively. During the study primary and
secondary data’s were taken by site observation, Bonga city municipal administration as well as
from several journals. This study was guided by Canadian council minster of environment water
quality index and it contains the elements such as scope, frequency and amplitude of the
analyzed results to its recommended rank. From five analyzed physical parameters 40% were
failed and whereas from eight analyzed chemical parameters 62.5% of them were failed
according to Canadian water quality index in all stations. The water quality level ranges
according to Canadian index from excellent to poor for drinking use. The analyzed value of
Canadian water quality index for Dincha River in all stations was less than 44. Therefore,
Dincha River quality exists in all stations for the selected parameters were recorded as poor
conditions. As the result, according to this study the source was not accepted for dinking us
