Water Quality Assessment in Hong Xeng Channel, Vientiane Capital

Authors

  • Phoummixay Siharath Environmental Engineering Department, Faculty of Engineering, National University of Laos
  • Somchay Vilaychaleun Environmental Engineering Department, Faculty of Engineering, National University of Laos
  • Khampasith Thammathevo
  • Chankhachone Sonemanivong Civil Engineering Department, Faculty of Engineering, National University of Laos
  • Soulyphan Kannitha Civil Engineering Department, Faculty of Engineering, National University of Laos
  • Phetsakhone Nhaovarath Civil Engineering Department, Faculty of Engineering, National University of Laos
  • Keoduangchai Keokhamphui Faculty of Water Resources, National University of Laos

DOI:

https://doi.org/10.58344/jws.v2i6.318

Keywords:

assessment, bod, cod , tss, water quality

Abstract

In the capital Vientiane, households, communities and factories discharge wastewater into the Hong Xeng canal, which flows into the Thatluang wetland, where it ends up in the Mak Heiw stream and falls into the Mekong River. Water quality assessment is an excellent factor in indicating the existing water condition. Therefore, the aim of this study was to investigate and collect water samples at 3 locations (P1, P2, and P3) to understand the status of water quality, and analyze 12 water samples of the Hong Xeng Canal and also compare the findings with past data by standard. Methods Data was collected and analyzed in the laboratory for two months from 25 August 2008 to 6 October 2008. The results showed that the temperature was 28°C - 31.1°C, Nitrate ion (NO3-) was 3.2 mg/l - 46 mg/l, pH 5.9-6.6, electrical conductivity 87 µS/cm - 283 µS/cm, Total Suspended Solid (TSS) 22 mg/l -78 mg/l and CODMn 5.5 mg/l - 10 ,9mg/l. Therefore, these parameters are recognized and substandard. While turbidity was 42 NTU -78 NTU, BOD5 4.5 mg/l - 9.1 mg/l, Dissolved Oxygen (DO) 9.1 mg/l - 10.6 mg/l and Phosphate (PO43-) 0.05 mg/l - 0.25 mg/l. this parameter is higher concentration and above standard.

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Published

2023-06-30

How to Cite

Siharath, P., Vilaychaleun, S. ., Thammathevo, K., Sonemanivong, C. ., Kannitha, S. ., Nhaovarath, P. ., & Keokhamphui, K. (2023). Water Quality Assessment in Hong Xeng Channel, Vientiane Capital . Journal of World Science, 2(6), 833–841. https://doi.org/10.58344/jws.v2i6.318