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In order to plan and utilize water resources of subsided water area, the basic water quality information of subsided water area is needed. fourteen large scaled subsided water areas have been selected in Panji coal mining area of Huainan city, the investigation and sampling have been carried out. Heavy element of water quality has been analyzed and fuzzy synthetic evaluation method was used to evaluate water environment. The results show that most of the twelve investigated subsided water areas which developed for the fish farming have been polluted already. Only one subsided water area was assessed as class III. Appropriate measures are taken to control subsided water areas of different areas and pollution, then comprehensive development and utilization of water resources can be adopted

Water Environmental Assessment and Comprehensive Utilization of Subsided water Area in Panji coal mining Area of Huainan city