He says that if similar underground weirs were built along some areas of the the Chingshui River, a branch of the Choshui River, and the Ailiao River on the Pingtung Plain, they could provide a daily water output of 500,000 tons, almost equal to the capacity of the Shihmen Reservoir-a very considerable amount.
此外，濁水溪支流清水溪和屏東隘寮溪的若干地點若興建類似的地下堰，每天可提供 50 萬噸出水量，幾乎等於一座石門水庫，相當可觀。