The arrangements on both sides of a box culvert dark sewage, sewage pipes and accepted the city side of Hill Zhigou water, downstream to the sewage treatment plant to deal with decontamination.

• 东西两岸各布置一条箱形排污暗涵，接纳城市排污管道和边山支沟来水，送至下游污水处理厂进行净化处理。