1. The water source of Qiandao Lake is lake water. If the water quality of Qiandao Lake is directly disinfected and filtered in the lake, it is good in itself. The water to Qiandao Lake can be drunk directly.
2. The taste of Zijin Lake water source is obviously different from that of Qiandao Lake water source. The water source of Zijin Lake is the deep water deposited by the dam for a long time, which can be drunk after disinfection.