24Jul 2017

WATER QUALITY ASSESSMENT OF TWO CONSTRUCTED LAKES (ARITAR LAKE & CHAYA TAAL LAKE) IN SIKKIM DURING WINTER & SUMMER SEASON.

  • School of Basic and Applied Sciences, RNB Global University, Bikaner, Rajasthan, India.
  • Department of Biotechnology & Environmental Sciences, EIILM University, Sikkim, India.
  • Present Address: College of Pharmacy, Al Ain University of Science and Technology, Abu Dhabi, UAE.
  • Department of Chemistry, Arambagh Govt. Polytechnic College, Hooghly-712602, India.
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The present study focused on thecomparative study and assessment of water quality of two constructed lakes, Aritarlake (East Sikkim) and Chaya Taal Lake (West Sikkim) during the dry period i.e. winter and summer season. The study showed that pH values of Aritar lake water was just below the neutral level (6.45), with higher dissolved oxygen (DO) content (2.3 mg/L) as compared to Chaya Taal (pH=7.7 , DO=1.6 mg/L). Aritar lake water samples exhibited higher concentrations of total dissolved solids (TDS), total hardness (TH), chloride (Cl-), sulphate (SO42-), phosphate (PO43-), nitrate (NO3-)and soluble iron (Fe) content in comparison to water samples collected from Chaya Taal lake. This situation can be linked to higher density of visitors and increased recreation/human activity in and around the lake area. Except EC and TDS, remaining parameters of examined lakes water samples exhibited lower values in winter season. The values of water parameters from these two lakes were very much under the acceptable range for surface water standards (IS:2296) during winter and summer season, therefore not tend to have any effect/threat on biotic components of lake ecosystem.

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[Sumanta Nayek, Imranul Haque Choudhury and Suprakash Roy. (2017); WATER QUALITY ASSESSMENT OF TWO CONSTRUCTED LAKES (ARITAR LAKE & CHAYA TAAL LAKE) IN SIKKIM DURING WINTER & SUMMER SEASON. Int. J. of Adv. Res. 5 (Jul). 1411-1417] (ISSN 2320-5407). www.journalijar.com

Dr. Suprakash Roy
Department of Chemistry, Arambagh Govt. Polytechnic College, Hooghly-712602, India. (under Technical Education & Training, Govt. of West Bengal, Kolkata)

DOI:

Article DOI: 10.21474/IJAR01/4853      
DOI URL: http://dx.doi.org/10.21474/IJAR01/4853

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