| 英文摘要 |
In this project will focus on twenty-four administered by central government and Toucian river basin. Various factors such as water-quantity, water resources plan, background water quality, water quality standard.observed water uses and water quality of some water bodies Necessary modification of the classification and designate uses of the Water Areas are to be proposed according to the evaluation result provided by this research and opinions and suggestions from experts, scholars, governmental officials, and non-profit environmental associations.
Classification of River Water Bodies are VI grades in Japen. The BOD standard had regulated in six-grades, but it hadn’t regulated in fourth grades and fiveth grades in Taiwan. The river water quality achievement rate of accomplishment is according to all water quality item in every grade. Calculating Toucian river water quality achievement rate of accomplishment conform to classification of River Water Bodies .
WQI established in 1990. Customs change with the times, EPA had revised river water quality standard many times. It is necessary to revise WQI. Overall, new WQI to have difference of showing to 60 the above-mentioned qualified water quality rivers while being old WQI. As the degree of pollution of rivers is the more high, the degree of WQI Score is the more obviously. In addition, new WQI is different from old WQI, the range is between -3 and +3. It well set up WQI server in further. It will provide to maintain system and users to seek advice from.
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