Abstract
Rapid industrialization, road cutting, excavation and indiscriminate use of chemical fertilizers and pesticides in agriculture practices are causing varied pollution in aquatic environment, leading to deterioration of water quality and depletion of aquatic biota. Due to use of this contaminated water, human population suffers from various water borne diseases. It is therefore necessary to check water quality at a regular interval of time to determine whether it is good for consumption or other purpose such as irrigation, industrialization etc. In this study paper, hydrological and environmental characterization of surface water was done by different water quality parameters conducted in water samples at Kamle District of Arunachal Pradesh, India, reported for both pre- and post-monsoon periods. The physical and chemical water parameters such as pH, temperature, dissolved oxygen, turbidity, total dissolved solids, nitrate, and phosphate were analyzed and are studied. Water quality index was then determined by using National Sanitation Foundation (NSF) method. Based on these data, the surface water from different sources is classified as unacceptable, poor, medium, good and excellent.
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