The aims of this project are to improve the water quality of the reservoir watersheds, as well as to strengthen the management of non-point source (NPS) pollution. Water pollution and its control in reservoir watersheds are studied for understanding the situation of NPS in order to improve the management strategy on water quality. Moreover, the database of water pollution and its management strategy in reservoir watersheds are accumulated in this study which will be master of the situation on water pollution. After data collection and on-site surveys, the improvement strategies of water quality of Ming-Te, Ching-Mien, A-Kung-Tien, Tai-Hu, and Jun-Hu Reservoir were promoted, and furthermore to organize consultation meeting to deliberate the direction of the improvement strategies for further planning with the administrations. In addition, the improvement strategies of water quality of twenty reservoirs were accumulated and accomplished the database for download. Base on survey result on watersheds, agriculture is one of the main sources of water pollution. For this reason, there are six brochures of optimum application of fertilizers for fruit tree; such as papaya, wax apple, mango, jujube, guava, and orange; were compiled as well as the short-term trainings were held to practice the optimum application of fertilizers. Finally, this study has completed the preliminary planning and design of three structural BMP sites. Two floating islands are suggested to place in Ming-Te Reservoir, one near the water pipes of Rixin Island and the other is near the Yongchun Temple close to the Tinliu River. Jinshan 1 constructed wetland could be displaced by MSL system in A-Kung-Tien Reservoir. And the interception systems of first flush are recommended to establish in Sinshin Street, Sinyi Village, and Wuder Village near Tai-Hu Reservoir.

Reservoir;Non-point source pollution;On-site treatment