|
The hydrological and water quality existing circumstance of Da-xi-gang river and Xiao-xi-gang river was analyzed, which get into drinking water source domain of Gong-hu Lake in Wuxi. Pollution sources such as industry, agriculture, living, aquiculture, breeding of poultry and domestic animal, shipping and so on, and environmental quality existing circumstance and river-bed mud of Da-xi-gang river, Xiao-xi-gang river, interjection river, drinking water source of western Wuxi were researched and monitored in detail. The specific gravity of pollution sources, effect of pollution, environmental quality existing circumstance and total quantity control methods were studied in depth and in detail, the water environment synthetically regulation programming of Da-xi-gang river and Xiao-xi-gang river was established, and ten engineering works including industry pollution control, living pollution control, agricultural non-point source pollution control, breeding pollution control, dining-boat regularization, interjection riverway control, shipping pollution control, water conservancy, ecology desilting and ecology restoring, and pollution general quantity control planning in drainage area were suggested. It was proved that the rectification planning is doable, and it is the base of water supply safety for Wuxi city and the base of abidance development of Bin-hu new city area.
|