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Effect of Non-Agricultural Facilities on Water Quality and Contamination in Rural Area  

Lee, Byung-Sun (Rural Research Institute, Korea Rural Corporation, Dept. of Civil & Environmental Engineering, Seoul National University)
Um, Jae-Yeon (Rural Research Institute, Korea Rural Corporation)
Kim, Yang-Bin (Rural Research Institute, Korea Rural Corporation)
Woo, Nam-Chil (Dept. of Earth System Sciences, Yonsei University)
Nam, Kyoung-Phile (Dept. of Civil & Environmental Engineering, Seoul National University)
Lee, Jong-Min (Jinbo E&C Co. Ltd.)
Publication Information
Journal of Soil and Groundwater Environment / v.14, no.2, 2009 , pp. 1-9 More about this Journal
Abstract
This study was objected to identify the effect on water quality and contamination by non-agricultural facilities in 'A' reservoir watershed located in OO city, Kyounggi-do, Korea. Ground- and stream water samples showed (Na+K)-Cl, Ca(Cl, SO$_4$) and Ca-Cl type in an illegally discharging area of sewage and a densely industrial area indicating water contamination. Stream water of an illegally discharging area of sewage had high COD, T-N and T-P. In this area, direct incoming of sewage into stream water was induced ground water system by well pumping, and it made a progress of ground water contaminations with those components. Groundwater of a densely industrial area showed high concentrations of T-N, NO$_3$N. From a nitrogen isotope analysis, stream water of an illegally discharging area of sewage has ${\delta}^{15}N-NO_3$values of 0.7%0 was strongly affected by nitrogen originated from agrochemicals, and a densely industrial area of 19.7%0 from septic system. Ground- and stream water of a livestock fanning area were contaminated with NH$_3$-N and Mn, which was affected by intensive livestock facilities. SAR-conductivity plot indicates the water does not pose either alkalinity or salinity hazard for irrigation. COD, T-N, T-P, NO$3$-N, NH$_3$N and Mn concentrations from contaminated areas were diminished by mixing with 'A' reservoir water. There were no water contaminations in silver towns, vacationlands around reservoir and golf links. Consequently, it should be made a plan of systematic managements for past and- present possible contaminants and sewage systems in preventing water contamination by non-agricultural facilities.
Keywords
Agricultural water resources; Non-agricultural facilities; A livestock farming area; Water contamination; Water management;
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Times Cited By KSCI : 4  (Citation Analysis)
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