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Quality Assessment of Surface Water in Gandhamardan Iron ore Mining area of Keonjhar District, Odisha, India

Author Affiliations

  • 1 Department of Zoology, D.B. College, Turumunga, Keonjhar, Odisha, INDIA
  • 2 Department of Zoology, Utkal University, Bhubaneswar, Odisha, INDIA

Int. Res. J. Environment Sci., Volume 4, Issue (12), Pages 49-56, December,22 (2015)


Surface run-off from the mining during exploration and excavation get laden with aluminous laterite soil from mine benches. Direct discharge of the surface runoff to the natural nallas (streams) affects the water quality. So in this context the present work focuses on surface water quality in Gandhamardan iron ore mining area. The physico-chemical characteristics were estimated during winter, summer and rainy seasons for two consecutive years 2011-12 and 2012-13. The parametes like p, Total hardness, Alkalinity, BOD, COD, TDS, Iron, Chloride, Sulphate were assessed at four sampling sites. The result showed that water qualities of all locations were within the permissible limits except for Dissolved Oxygen, Iron contents and Turbidity. DO contents ranged from 1.26mg/l to 3.03mg/l in 2011-12 and 1.0 mg/l to 3.08 mg/l in 2012-13, Iron ranged from 1.00 mg/l to3.50 mg/l in 2011-12 and 1.00 mg/l to 3.56 mg/l in 2012-13and turbidity (NTU) ranged from 15 to 24 in 2011-12 and 16 to 28 in 2012-13.


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