... years, people have tried to control flow and quality of water. Sustainable water management (SWM) should not only control the water resources towards the present needs but also consider water- related ... 3.2 Challenges of water resources management for downstream livelihood Main livelihood sources of downstream people in Tien Giang are rice and aquaculture which rely on water resources from upstream. ... (Marko, 2004). Fresh water depends on discharged water from upstream. There is no water management officers, every one freely pump water as much as they need. Therefore, the water shortage for...