Chinese water treatment company Sound Global has been chosen for the project, which will involve the building of up to 13 sewage treatment plants in Tongzi County, Guizhou Province, China.
The contract is set to last 30 years and is being handled by the Ministry of Finance for the region. The treatment capacity of phase one is 26,200 tonnes, while the total investment for the project is expected to cost $29m.
Wen Yibo, chairman of Sound Global, said: "As this is the first PPP project in the water industry within Guizhou Province during the twelfth five-year plan, this model will fully utilise its capital for construction of the infrastructure and is expected to provide a stable source of capital for the urbanisation of the region."