Abstract
The water quality of the Jinshan Lake in Zhen Jiang city were evaluated mainly on the basis of forty samples collected from four locations.The purposes of the study were to assess the levels of parameters associated with the demands of the functions of the water body and to compare them with Environmental Quality Standards for Surface Water. Water quality parameters included pH, Temperature, Biological Oxygen Demand (BOD5), Chemical Oxygen Demand (CODMn), permanganate index, Total Nitrogen (TN), Total Phosphorus (TP), and NH3-N were analyzed. These water quality parameters were surveyed in 2012 on a monthly basis.Most of them met the Class Ⅲ level of Environmental Quality Standards for Surface Water excepting the Total Nitrogen and Total Phosphorus.The results show that the phenomenon of eutrophication existed in the the Jinshan Lake in 2012.
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