Pollution and control methods of a lake

Pollutions of the lake in south district of Anhui Institute of Architecture and Industry were studied in this paper.From the data we collected in spring,summer and winter of 2004,we concluded the water quality of the lake was polluted serious.Heavy rains will weaken pollution of the water as the lake has no clean water resource.After cut off the sewage of the lake,water quality of the lake was improved.The main polluted causes for the lake were discussed and some advices for control pollution of the lake were proposed also.