EVALUATION OF WATER POLLUTION STATUS OF TRIYUGA RIVER IN UDAYAPUR DISTRICT, NEPAL

Authors

  • Dr. Bishnu Dev Das Department of Botany, Mahendra Morang Adarsh Multiple Campus, Biratnagar, Tribhuvan University, Nepal
  • Sonu Pradhan Department of Botany, Mahendra Morang Adarsh Multiple Campus, Biratnagar, Tribhuvan University, Nepal
  • Amrita Sardar Department of Botany, Mahendra Morang Adarsh Multiple Campus, Biratnagar, Tribhuvan University, Nepal
  • Dr. Niroj Paudel National Institute of Horticultural and Herbal Science, Rural Development Administration, Wanju, 55365, Republic of Korea
  • Dr. Ranjan Kumar Mishra Department of Geography, TMBU, Bhagalpur, Bihar, India

DOI:

https://doi.org/10.29121/granthaalayah.v12.i1.2024.5442

Keywords:

Belaka Municipality, Microbiological, Physiochemical, Pollution, Triyuga River, Surface Water

Abstract [English]

The present investigation has been conducted to assess the status of physiochemical and microbiological parameters to understand the present scenario of water quality at Triyuga River water at Belaka municipality of Udayapur district, Nepal. The temperature ranged from 180C to 200C, the TDS value ranged from 89 mg/L to 112 mg/L and were below the WHO guideline value of 1200 mg/L, the pH values of the surface water sources in the present study were found to be alkaline ranging above from 7.6 to 7.9 were found within the range of WHO guideline value of 6.5-8.5. Similarly the values of dissolved oxygen ranged from 6.4 mg/L to 10.4 mg/L and were above the WHO guideline value of 5 mg/L, the bicarbonate (HCO3) value ranged from 105 mg/L to 125 mg/L and were below the WHO guideline value of 125-350 mg/L, the values of Nitrate ranged from 3 mg/L to 5 mg/L and were below the WHO guideline of 50 mg/L, the values of Nitrite ranged from 0.3 mg/L to 0.5 mg/L, the value of Ammonium ranged from 0 mg/L to 0.3 mg/L, the values of Iron ranged from 1 mg/L to 1.5 mg/L and were above the WHO guideline of 0.3 mg/L and the phosphate was not detected in all the three different sites of surface water samples. The fecal coliform was found to be positive in all the samples and the value of fecal coliform recorded was 15, 15 and 21 MPN/100ml in Site I, II and III respectively.

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Published

2024-02-06

How to Cite

Das, B. D., Pradhan, S., Sardar, A., Paudel, N., & Mishra, R. K. (2024). EVALUATION OF WATER POLLUTION STATUS OF TRIYUGA RIVER IN UDAYAPUR DISTRICT, NEPAL. International Journal of Research -GRANTHAALAYAH, 12(1), 55–63. https://doi.org/10.29121/granthaalayah.v12.i1.2024.5442