The tai po water treatment works together with the butterfly valley primary service reservoir in kowloon and the 12km long treated water aqueduct connecting the two waterworks form the tai po water scheme . this is one of the biggest water supply projects that the water supplies department ( wsd ) has undertaken in recent years 大埔滤水厂连同九龙的蝴蝶谷食水主配水库,以及连接滤水厂和配水库的十二公里长食水输水管道,组成大埔滤水厂供水计划,是水务署近年来进行的其中一项最庞大的供水工程计划。