Monitoring of Surface Water Quality at Ubon Ratchathani University

DOI: 10.14416/


  • Khanidta Bootdee College of Medicine and Public Health, Ubon Ratchathani University
  • Arunya Wetchasan College of Medicine and Public Health, Ubon Ratchathani University
  • Intira Inlerd College of Medicine and Public Health, Ubon Ratchathani University
  • Sitthichai Chaikhan College of Medicine and Public Health, Ubon Ratchathani University
  • Nukul Mongkol Office of Physical and Environment Management, Ubon Ratchathani University


Surface water quality, Water Quality Index (WQI), Water Quality, Ubon Ratchathani University


The objective of this survey research was to study the water quality index (WQI) of surface water resources at Ubon Ratchathani University through the survey of 11 surface water sources from August to September 2021. The WQI was analyzed using physical, chemical, and biological characteristics of five parameters: dissolved oxygen (mg/L), biochemical oxygen demand (BOD) (mg/L), ammonia (mg/L), coliform bacteria (MPN/100 mL), and fecal coliform bacteria (MPN/100 mL). We used descriptive statistics, including frequency, percentage, mean, and standard deviation, to present the data. The results showed that the WQI was between 40 and 67 points. Six (54.55%) of the sources surveyed had harmful surface water quality, and five (45.45%) had acceptable surface water quality. This information about water quality is helpful for the surveillance, monitoring, and management of the water resources at Ubon Ratchathani University.


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บทความวิจัย (Research article)