Despite a long dry spell, Beijing has not suffered water shortage, thanks to the South-to-North Water Diversion Project.
The middle route of the south-to-north water diversion project had transferred more than 3.22 billion cubic meters of water to Beijing as of Thursday.
Henan province will spend US$200 million in protecting the ecology in the source of the central route of the South-to-North Water Diversion Project, according to the provincial financial bureau.
A member of the Chinese People's Political Consultative Conference suggested building a "green fence" to safeguard the water of Danjiangkou Reservoir through the proper disposal and recycling of straw and household waste in rural areas.
The Danjiangkou Reservoir will ban fishing activities for five months starting on March 1.
North China's Hebei Province, which is plagued by the overuse of underground water, is seeing a rise in underground water levels, thanks to efforts it has made to curb the exploitation.
Beijing authorities said Monday that the city received 1.077 billion cubic meters of diverted water from the Yangtze River in 2017.
By Dec. 19, Beijing has received three billion cubic meters of water from the Yangtze River since the South-to-North Water Diversion project started to supply water to the city at the end of 2014.