EPA-107-U101-02-A156

107

5,075 千元

科技發展-環境科學及技術之研究

2018/03/31

2018/12/31

林鎮洋

水保處

陳薏涵

國立臺北科技大學

水質保護

水庫、營養鹽、總量管制

Reservoir, Nutrients, TMDL

康世芳；陳起鳳；何嘉浚

李祖川

02-27712171#2629

tsuchuan@ntut.edu.tw

我國前瞻基礎建設-水環境建設-加強水庫集水區保育治理計畫主要目標為減砂入庫與水質改善。本計畫乃對優養化水庫管理提出前瞻性水質改善對策，以石門水庫與鯉魚潭水庫為對象，工作項目主要面向：（1）水庫污染負荷評估與調查、（2）水污染綠色削減技術輔導、（3）水庫總量管制決策與管理及（4）辦理諮詢研商相關會議。水庫污染負荷評估與調查結果，石門水庫入庫溪流（大漢溪與湳仔溝溪）水質，顯示遊憩行為影響入庫溪流水質。鯉魚潭水庫污染源主要來自集水區內點源污染（生活污水、民宿及休閒農場等）及鄰近庫區農地之非點源。本計畫協助並輔導高雄市政府、桃園市政府、苗栗農田水利會與顧問公司，分別於阿公店水庫、石門水庫及鳶山堰、明德水庫等設置綠色削減技術，例如合併式淨化槽、植生滯留槽及多層複合濾料水質淨化技術等綠色削減技術。推估鯉魚潭水庫集水區總污染量BOD與TP分別為1.34×105 kg/yr與 9.29 ×103 kg/yr，未來須加強控制點源與非點源，以維護水庫水質永續。

水庫、營養鹽、總量管制

EPA-107-U101-02-A156.pdf

23MB

2019/2/2 上午 12:00:00

To enhance the reservoir watershed soil conservation and improve its water quality, the Executive Yuan approved “Forward-looking infrastructure development program: The enhancement of reservoir watershed conservation plan”. The purpose of this project is to provide an integrated control action plan for the eutrophication potential reservoirs, Shimen reservoir and Liyutan reservoir. In order to achieve the goal, the tasks of this project include: (1) analyzing the data of the water quality and flow collected from Shimen reservoir watershed and Liyutan reservoir watershed, (2) establishing green technology (e.g. Multi-Soil-Layering System (MSL), biorentation system) for pollutant reduction and developing a plan for implementing nutrients reduction, (3) applying decision-making model for water quality management for reducing point and nonpoint source (NPS) water pollution, and (4) holding several consultation meetings. The water quality of the eutrophication potential reservoirs, Shimen reservoir and Liyutan reservoir, was investigated and evaluated based on the monitoring data in 2018, and the water quality improvement strategies of the reservoir were presented in the project. The results showed that the major pollution load of Dahan creek and Nanzaigou creek is from recreational activities in Shimen reservoir watershed. The point source pollution from the domestic sewage, civilian lodging and leisure farms and agricultural NPS pollution seriously affect the water quality of Liyutan reservoir. The research team also provided guidance for local governments (Kaohsiung City Government, Taoyuan City Government and Miaoli Irrigation Association), and environmental consulting service industry on developing green technology. Nutrients reduction devices (e.g. purification tank, MSL, and biorentation system) were considered and installed in watershed of Agongdian reservoir, Shimen reservoir, Yuanshan weir, and Mingte reservoir. The loading reduction strategies of biochemical oxygen demand (BOD) and the total phosphorus (TP) were developed for Liyutan reservoir. The results indicated that the average annual BOD and TP loading into Liyutan reservoir are 1.34×105 kg / year and 9.29 ×103 kg / year estimated by SWMM/ BASINS. The results showed that an integrated control action plan for both point and nonpoint sources of pollution in the watershed can be developed.

Reservoir, Nutrients, TMDL