Water intake：Supply water for water plants, purifying plants, and IT industrial parks.
Agricultural irrigation：Increases water capacity of river, thus providing sufficient water source as required for agricultural applications.
Tidal barrier：Prevents in-flow of tide and seawater; also available for seawater swimming pool.
Recreational park：Artificial lake construction for parks or swimming; preserves and beautifies natural scenery.
Sewer water control：Diversion of sewage system to the water treatment plant.