Water Quality and Contamination of Heavy Metal in Surface Water of Huai Mae Tao, Tak Province
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Abstract
The aim of this research is to study the quality of surface water in Huai Mae Tao as well as to
investigate the degree of heavy metal contamination in water. The results obtained will help in
determining the water quality and contamination in the area as well as the impact that can effect to the
water utilization and the aquatic ecological system. The study results have revealed that mostly the
surface water quality of Huai Mae Tao was within the Type III of The Surface Water Standard for
Agriculture and Water Quality for Protection of Aquatic Resources . However, the turbidity and
suspended solid levels were found to be varied according to seasonality. These 2 water quality indexes
were higher than the allowed standard during the rainy season. Heavy metal contamination was also
found in the surface water of Huai Mae Tao. The contamination level was higher in the rainy season
than in the summer season. Cadmium level, in particular, was higher than the maximum allowed
concentration in natural water resources for Protection of Aquatic Resources.
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