Since 2008, the ROC Environmental Protection Administration (EPA) has carried out the plans of water quality improvement for primary rivers and reservoirs in Taiwan. In 2013, the EPA launched the “Guidance Manual of Best Management Practices (BMPs) for Storm Water Discharge Nonpoint Source (NPS) Pollutant Elimination” to eliminate the NPS from construction activities. In order to achieve the goal, the tasks of this project include :(1) developing the Storm Water Calculator (SWC) of BMPs evaluation; (2) completing the guideline of the BMPs application and examination; (3) presenting the water quality improvement strategies for eutrophic reservoir; (4) reviewing the literature on NPS control, eutrophication control and algal bloom control in reservoir; (5) held meetings to consult and discuss with each other. The Storm Water Calculator and planning guide of BMPs is completed preliminarily based on “Guidance Manual of Best Management Practices (BMPs) for Storm water Discharge Nonpoint Source (NPS) Pollutant Elimination” which could be used to evaluate BMPs application. The water qualities of six eutrophication potential reservoirs (Shimen Reservoir, Mingde Reservoir, Baihe Reservoir, Nanhua Reservoir, Jingmian Reservoir and Fengshan Reservoir) are investigated and evaluated based on the data of water monitoring in 2014 and the water quality improvement strategies of those six reservoirs are presented in this project. Meanwhile, the EPA, local government of reservoir, and the experts consulted together about the water quality improvement strategies and watershed management of those six reservoirs. Moreover, relevant literature of eutrophication strategy is reviewed which including USA, Japan, Australia and European Union (e.g. Germany).

NPS, BMPs, Eutrophication