According to the statistics of the working team, the maximum water treatment capacity of the three sewage treatment facilities in Ryukyu is currently 630 CMD for the old people's club, 750 CMD for Shangfu Village (Shanban Bay) and 900 CMD for Zhongfu Village (Zhong'ao Beach), totaling 2,280 CMD. Calculated at 3,861 CMD, the treated domestic wastewater rate is about 59%. If the treated water volume of the Dafu Village sewage treatment facility in this case is about 1,300 CMD, the total amount of domestic wastewater that can be treated in Liuqiu Township is about 3,580 CMD. After the sewage treatment facilities in Tai Fook Village in this case are completed, the sewage treatment rate can reach more than 90% (3,580/3,861≒92.7%). In the stage of detailed design report, the design work for the buried pipelines, interception and raising wells and the location of sewage treatment facilities in the Dafu Village settlement has been completed. In addition, according to the water quality testing results of the three sewage treatment facilities currently in operation in Liuqiu Township and the Tai Fook Village The survey results of water quality and quantity (Table 3.2.2-1) are proposed as the design inflow water quality of the site: BOD=60 mg/L, SS=50 mg/L, NH3-N=30 mg/L.

Tai Fook Village