Water quality monitoring of Khlong U-Taphao Amphoe Hat-Yai, Changwat Songkhla
2000
Phutmongkhon, P. | Thongyoi, R. | Jungcharoentham, N. (Prince of Songkla Univ., Songkhla (Thailand). Information Center for Natural Resources and Environmental Management of Songkhla Lake Basin )
Water quality was monitored in Khlong U-Taphao, Amohoe Hat Yai, Changwat Songkhla. The study area was divided into 10 stations and water specimens collected during January to November 1997. The ranged of temperature was 26.0-31.5 deg C, pH 7.8-9.3, biochemical oxygen demand 0.09-6.8 mg/l, total phosphorus 0.002-0.40 mg/l, total kjeldahl nitrogen 0.11-3.02 mg/l, oil and grease 0.1-12.9 mg/l, total suspended solids 5.0-293.0 mg/l. Khlong U-Taphao has been impacted and polluted from domestic waste-water from Hat Yai Municipality, villages and industry. The water quality in this area is particularly polluted in the summer season. In order to have successful water quality management, emphasis should be placed on the controlling of the quality and quantity of waste before discharge into Khlong U-Taphao, removing undesired aquatic weeds together with disseminating knowledge and information on this subject to people in the area.
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