Chongqing city was accelerated include bridge beach river, clean Shui Xi inside the integrated punish of 17 sub rivers, ensure stability of water quality of area of 3 gorge library from fountainhead further. Suo Dingshui improves a target character, carry out integrated punish in recent years, chongqing increases 3 gorge water ceaselessly environmental protection strength, stability of water quality of library area trunk stream achieves kind water standard, whole town drinking water source amounts to mark to lead 100 .Cao Guanghui of director of bureau of Chongqing city environmental protection is allowed first say. But in library area water quality overall keep stable while, the sub river pollution of Chongqing is relatively serious still.
Gain rest and build up strength to make Jiang He laky, ensure safety of environment of water of area of 3 gorge library from fountainhead, chongqing puts forward clearly, to 2010, advocate the water environment quality of sub river inside limits of the city zone eliminates bad basically kind water system, quality of environment of sub river water achieves water area function basically to ask, area of function of environment of water area of whole town sub river amounts to mark rate to achieve 75 ; To 2012, advocate quality of environment of sub river water is overall inside limits of the city zone achieve area of function of water area environment to ask, area of function of environment of water area of whole town sub river amounts to mark rate to achieve 80 above. 2009, chongqing municipal government allotted many files in succession, hold prevention and cure of water pollution of area of 3 gorge library to lead punish of sub river of group meeting and whole town to work for many times special meeting, the requirement accelerates pair of accept to enterprevention and cure of water pollution of area of 3 gorge library plans8 medium pilot and sub rivers and Chongqing advocate the city zone the punish plan of 9 sub rivers.