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Figure 7.12 Ground water quality index map

7.4.5.1 Results and Discussion

It is observed that the Ground water quality is very poor in the blocks Jagganath Prasad, Buguda, Bhanjarnagar and Surada.Poor water quality is observed in mostly hilly regions like Digapahandi, Sankhemudi, Dharakote Bhanjarnagar and etc. Excellent ground water quality is observed in Ganjam, Kukudahandi, Hinjilicut, Aska and Sheragada regions. The high TDS values indicates that the use of chemical

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fertilizers is more which a reason for Ground water degradation is also. High amounts of TDS and EC is observed in majority of the blocks.

It is observed that the Ground water quality is very poor in the blocks Jagganath Prasad, Buguda, Bhanjarnagar and Surada. Over burden of the population pressure unplanned urbanization on restricted exploration and dumping of the polluted water at in appropriate place enhance infiltration of harmful compounds to the ground water.

Table 28 Water Quality index Calculation - Block wise

Legend Ganjam_WQI

170 - 220 (Excellent) 230 - 270 (Good) 280 - 320 (Poor) 330 - 370 (Very Poor) GW_Quality_Locations

Figure 7.12 Ground water quality index map

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