Journal of Korean Society of Water and Wastewater (상하수도학회지)

The Korean Society of Water and Wastewater (대한상하수도학회)
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A study on Determination Method of the Compliance Concentration of Effluent Limitation from Public Sewage Treatment Works in the Jinwee-stream Watershed Sewer System

유역하수도 공공하수처리시설의 방류수 수질 준수농도 설정방안 연구: 진위천 수계를 중심으로

  • Jeong, Dong-Hwan (Water Supply and Sewerage Research Division, National Institute of Environmental Research) ;
  • Cho, Yangseok (Water Supply and Sewerage Research Division, National Institute of Environmental Research) ;
  • Kim, Youngseok (Water Supply and Sewerage Research Division, National Institute of Environmental Research) ;
  • Ahn, Kyunghee (Water Supply and Sewerage Research Division, National Institute of Environmental Research) ;
  • Chung, Hyen-Mi (Water Supply and Sewerage Research Division, National Institute of Environmental Research) ;
  • Kwon, Ohsang (Water Supply and Sewerage Research Division, National Institute of Environmental Research)
  • 정동환 (국립환경과학원 상하수도연구과) ;
  • 조양석 (국립환경과학원 상하수도연구과) ;
  • 김영석 (국립환경과학원 상하수도연구과) ;
  • 안경희 (국립환경과학원 상하수도연구과) ;
  • 정현미 (국립환경과학원 상하수도연구과) ;
  • 권오상 (국립환경과학원 상하수도연구과)
  • Received : 2015.06.15
  • Accepted : 2015.08.07
  • Published : 2015.08.15
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Abstract

In accordance with the Watershed Sewer System Maintenance Plan enforced on February 2, 2013, the different compliance concentration of effluent limit be applied to effluent discharged from public sewage treatment works(PSTWs) in each watershed on the basis of water quality thereof. With the introduction of watershed sewer system, it is necessary to set the compliance concentration of effluent limit for PSTWs situated in the watershed, by region and PSTW size, to achieve water quality criteria for regional watersheds or target water quality under TMDL program. Watershed Environmental Agencies establish the Watershed Sewer System Maintenance Plan and set the compliance concentrations of effluent limit for PSTWs under the plan. The agencies plan to apply tougher effluent BOD concentration limits in Class I to IV areas. Effluent BOD concentration limits will be toughened from 5~10 mg/L to 3 mg/L in class II~III areas, from 10mg/L to 5mg/L in class IV areas. Uniform application of effluent BOD concentration limits to PSTWs in the watershed sewer system need to be complemented considering type of sewage treatment technology employed and watershed characteristics. Therefore, this study presents method to determine the compliance concentration of effluent limit from PSTWs in the watershed.

Keywords

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