Brief introduction to selected Chinese reservoirs.- Characteristics of water pollution in typical reservoirs.- Typical reservoir pollution source analysis.- The protection of Chinese water reservoirs.- Overview of reservoir sediment contamination.- Characteristics of pollutants release from reservoir sediments.- Impact of contaminated sediments on water quality of typical reservoirs.- Methods of reservoir water pollution control and water quality improvement.- Water quality improvement using water-lifting aeration technology.- Application of the water-lifting aerators in reservoirs.- Water quality improvement by the Water-lifting aerators.- Functional microbial composition.- Screening and cultivation of oligotrophic aerobic denitrifying bacteria.- Effect and ecological assessment of microbial remediation.