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Analysis of water properties in a reservoir for use as a fish breeding ground, Somdetpittayakom School, Somdet District, Kalasin Province
Organization(s):Somdetpittayakom School
Country:Thailand
Student(s):Mr. Wattanachai Rachmontian, Miss, Chanapat Choopan,
Miss Jariya Nasathit, Miss Warisara Lmpool, Mr. Kritiwit Ritchai,
Mr. Natthaphong Kaewmuang, Miss Nathaporn Wutti
Miss Ployrung Kanna,
Grade Level:Secondary School (grades 9-12, ages 14-18)
GLOBE Member(s):Prakaikham Thesarin
Contributors:Miss Prakaikham Thesarin, Miss Sasikarn Pannorat
Report Type(s):Virtual Science Symposium Report
Protocols:Alkalinity, Conductivity, Dissolved Oxygen, Freshwater Macroinvertebrates, Nitrates, pH, Salinity, Water Temperature, Water Transparency
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Language(s):English
Date Submitted:2026-01-30
The objective of this research was to analyze the water quality of Waree Pond at Somdetpittayakom School to determine its suitability for fish breeding. The study area covers 14 rai with a water storage capacity of 40,000 cubic meters. Data were collected over six consecutive weeks using the GLOBE Protocol to measure parameters including water transparency, temperature, dissolved oxygen (DO), electrical conductivity (EC), salinity, pH level, alkalinity, and nitrate content.
The research results revealed the following average values: water transparency was 145 cm at the surface and 34 cm at depth; the water temperature was 25.5 °C; electrical conductivity was 272 µS/cm; salinity was 0.5 ppt; pH level was 6.8; alkalinity was 116 mg/l; nitrate content was 0.02 ppm; and dissolved oxygen was 8.12 mg/l. Analysis of these properties over the 6-week period indicates that Waree Pond shows no signs of wastewater or pollution. All measured values, including nitrate levels, temperature, pH, alkalinity, and salinity, are within the optimal ranges for freshwater aquaculture. Therefore, it is concluded that the pond is highly suitable to be utilized as a fish breeding source and for agricultural purposes within Somdet pittayakom School.