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http://dx.doi.org/10.11001/jksww.2013.27.5.661

Application of Grouping Method to select Priority Restoration Streams in Geumgang Watershed based on Analysis of Pollution Factors  

Lee, Sang Ho (Dept. of Environmental Engineering, Sangmyung University)
Hwang, Jeong Jae (Dept. of Environmental Engineering, Sangmyung University)
Publication Information
Journal of Korean Society of Water and Wastewater / v.27, no.5, 2013 , pp. 661-669 More about this Journal
Abstract
River-water quality has been greatly improved during past several decades with the extraordinary expansion for the wastewater treatment capacities by the government. Research aims to select the priority restoration streams based on the chronicle data for tributaries in Geumgang watershed as the main stream area in the Chungchungnamdo province. The quality of BOD, phosphorus and percent of sewered population on 15 branch streams were compared by the grouping methods. The results of group D streams by category I that exceed 3.0 mg/L for BOD and 0.1 mg/L for phosphorus were Seuksung, Ganggyung and Bangchuk stream. The results of group D streams by category II that exceed 3.0 mg/L for BOD and less than 63.5 % of average percent of sewered population were Ganggyung, Gilsan, Bangchuk and Seuksung stream. The final results of selected streams drawn by the chronicle data which exceeded the standard quality and lower than the average percent of sewered population were Seoksung, Gangeyung and Bangchuk stream. The pollution of rivers in the down streams were more serious than in the upper streams. Their watersheds have to be improved river water quality, especially to extend sewer systems as well as wastewater treatment facilities.
Keywords
grouping method; pollution Factors; percent of sewered population; priority restoration streams; Geumgang watershed;
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Times Cited By KSCI : 3  (Citation Analysis)
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