(WANG BO)

A March 21 photo shows a view of Qianzi Lake in Qinghai Province. Qinghai is the source of two of China's largest rivers, the Yellow and Yangtze.

On March 26, the first national report on China's water conditions was released by the Ministry of Water Resources and the National Bureau of Statistics.

The nationwide survey covered river conditions, water conservation projects, water consumption, river development and management, and water and soil conservation in 2011.

China has 45,203 rivers each covering an area of at least 50 square km, totaling 1.51 million km in length. Some 2,865 lakes with a regular surface area of over 1 square km took up 78,000 square km, the report said.

The capacity of 98,002 reservoirs amounted to over 932 billion cubic meters and the total installed capacity of 333 million kw were generated by 46,758 hydropower stations.