Application of Organic Indicators and Overall Index to Assess the Level of Water Pollution in Habbaniya Lake, Iraq

The present investigation took place at Habbaniya lake to assess the level of pollution as an overall index besides organic directories. Dissolved Oxygen, Biological Oxygen Demand and Chemical were calculated for 16 samples water in addition parameters Overall Index Pollution. content is excellent unpolluted according Demand, values (Dissolved varied from 9.100 mg l-1 13.600 l-1, 2 7 30 73.667 l-1). Pollution was useful helpful determining quality. situation better compared year 2014. health status acceptable slightly polluted due having ranges 1.632 2.677, it supports aquatic life it. map shows that northwestern part are lower than southeastern continuous renewal first because represents a inlet. This almost identical distribution Demand. In general, non-polluting not dangerous environment now, but may face risk pollution, based on results obtained. Thus, study concluded use technique with indicators very suitable assessing lake.