Abstract
River Tunga flowing near Shivamogga City, receives waste water discharges from villages located on the bank of River and industries located along the stretch. The present study involves to determine the water quality index of polluted our selected stretch of River. Water samples were collected from different locations and analyzed for physical- chemical parameters like pH, Alkalinity, total hardness, Electrical Conductivity, Calcium ions, magnesium ions and total dissolved solids. All the physical and chemical parameters were compared with the standard Values of IS. These chemical and physical parameters substituted in the WQI equation. WQI facilitates a single numeric value that defines overall water quality for a definite location. The WQI of Tunga River in Shivamogga city vary from 50.38 to 85.48.
Highlights
Many Water Quality studies concentrated on small lakes, ground water and small city stretch of river in Shivamogga region
Shivamogga is District located in Central Karnataka state between 13027’ and 14039’ N Latitude and 74038’ and 74004’ E Longitude covers an area of 8495 sq.km
Present work is aimed at assessing the Water-Quality Index (WQI) for the surface river water of Shivamogga District
Summary
According to World Health Organization, about 80% of all diseases in human beings are caused by water. The Tunga River is one of the major sources of drinking water for peoples of Shivamogga. It is a livelihood to many professions and critical to their survival In this regard it is essential to put efforts to assess the quality of Tunga River. River water quality can be restored by avoiding pollutants to enter. If not it has even direct impact on flora and fauna. The use of modern pesticides, herbicides and fertilizers is polluting the river, thereby impact the overall productivity of the agricultural land. It causes a severe loss of export revenue . Water Quality of river can be measured effectively by using WQI
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