Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Derivation of Agricultural Water Quality Guidelines for Heavy Metals in Korea

국내 농업용수의 유해중금속 수질권고기준 도출

  • An, Youn-Joo (Department of Environmental Science, Konkuk University) ;
  • Baek, Yong-Wook (Department of Environmental Science, Konkuk University) ;
  • Lee, Woo-Mi (Department of Environmental Science, Konkuk University) ;
  • Yoon, Chun-Gyeong (Department of Environmental Science, Konkuk University)
  • Received : 2008.03.13
  • Accepted : 2008.06.11
  • Published : 2008.09.30
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Abstract

Korean water quality guidelines for agricultural were derived to protect agricultural water uses according to the Canadian methodology. The adverse effect of heavy metals in agricultural water was of concern due to its persistence, bioaccumulation and ecotoxicity to crop plants. The ecotoxicity data of cadmium, copper, lead, and zinc were collected for the crops grown in Korea, and used to estimate the species maximum acceptable toxicant concentration (SMATC), which corresponds to the water quality guideline. Values of irrigation per year and soil bulk density were revised to reflect the Korean situation. The estimated guideline values for cadmium, copper, lead, and zinc were 0.01, 0.5, 0.1, and 1.0 mg/L, respectively. These values are in agreement with the agricultural water quality guidelines of foreign countries and current Korean water quality standard for the protection of public health. Current water quality standards in agricultural uses were for management of public water resource, and was not prepared to protect crop plants from contaminants. The results of this study will be a basis for the designation of Korean water quality guidelines for the protection of agricultural water uses in the future.

Keywords

Acknowledgement

Grant : 농업용수의 수질오염 방지기술 개발

Supported by : 농촌진흥청

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