Abstract
INVESTIGATING AND ANALYZING OF WATER QUALITY STATUS OF TIKUR WUHA RIVER FOR SUITABILITY OF DRINKING AND IRRIGATION BY USING WQI AND MULTIVARIATE ANALYSIS (HAWASSA, ETHIOPIA)
Miheret Tolla* and Bisrat Gissila
ABSTRACT
The analysis of physical, chemical, and biological characteristics of water is referred to as water quality assessment. Water quality indices aim to assign a single value to a source's water quality, reducing many parameters to a single expression and making monitoring data easier to interpret. Various water quality indices (WQI) used for monitoring surface water quality are discussed in this review paper. There are multiple WQI specific to any location or area since different National and International Agencies involved in water quality assessment and pollution control specify water quality criteria for different uses ofwater using different indicator parameters. Here, we've attempted to cover all the different water quality indices developed around the world, as well as their history and application areas. In this respect, this review presents a comparative analysis of several indices and identifies eight WQIs that are basic indices for water quality assessment. Their statistical structure, parameter set, calculation, aggregation algorithm, and defects have all been described in depth.
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