中文
INNOVATIVE TECHNOLOGY

Technical Innovation

Dali Erhai Lake Water Environment Management PPP Project
Project generalization
The project involved6 high-standard underground WWTPs, 234 km long trunk sewer lines, 10 pumping stations, and integrated rural wastewater treatment system, etc.
Project characteristics

1. The project innovatively proposed the “sponge farmland” system, reducing 20 million tons of water pumped from the Erhai Lake every year.
2. The project saved approx.RMB 610 million of investment and shortened the construction period by approx.6 months.

1.During an inspection tour to Dali,Yunnan province in January 2015,General Secretary Xi Jinping had a photo taken with local officials by the Erhai Lake,and said “I'll keep it,and I hope that the water is cleaner and clearer when I come the next time”.

2.On Feb. 25,2019,Han Zheng,member of the Standing Committee of the Political Bureau of the CPC Central Committee and Vice Premier of the State Council,inspected the Dali Shuanglang Underground WWTP.

3.During an inspection tour in September 2015,Chen Jining (the second from the left),the then Minister of Ecology and Environment,gave CWEG credit for its advanced ideas in water environment management.

4. National PPP demonstration project: the Dali Erhai Lake Water Environment Management Project.

5. The Shuanglang Underground WWTP