ĐÁNH GIÁ VÀ PHÂN LOẠI CHẤT LƯỢNG NƯỚC HỒ ĐỒNG CHIỆC, THÀNH PHỐ THANH HOÁ NĂM 2020
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Abstract
Results of environmental monitoring of water quality indexes for Dong Chiec Lake, Thanh Hoa City in 2020 to guide the Vietnamese Standards current the result are as follows: The water quality of Dong Chiec Lake is polluted because of 7 index: pH, BOD5, COD, DO, PO43-, Coliform, E. Coli. Based on the results of the measurements, we obtained the overall WQI value = 74.2, proving that the water quality of Dong Chiec Lake is moderately suitable for irrigation.
Keywords: Dong Chiec Lake, the water quality of lake, lake in urban.