Qiandao Lake
Qiandao Lake is a man-made lake located in Chun'an County, Zhejiang, China, formed since the completion of the Xin'an River hydroelectric station. There are 1,078 large islands in the lake and a few thousand smaller ones. It covers an area of 573 km² and has a storage capacity of 17.8 km³. The total area of the islands in the lake is about 86 km². Qiandao Lake is known for its clear, and sometimes drinkable water, such as that used to produce the renowned Nongfu Spring brand of mineral water.