본문 바로가기
  • Home

Analysis of the Discharge Characteristics of Non-point Pollutants from the Interception Facilities According to Rainfall Conditions

  • Journal of Environmental Impact Assessment
  • Abbr : J EIA
  • 2022, 31(1), pp.1-10
  • Publisher : Korean Society Of Environmental Impact Assessment
  • Research Area : Engineering > Environmental Engineering
  • Received : October 25, 2021
  • Accepted : December 22, 2021
  • Published : February 28, 2022

Zi-Yu Lin 1 Beomjin Eun 1 Heo Jeong Sook 2 I Song Choi 3 Jong-Min Oh 1

1경희대학교
2경희대학교(국제캠퍼스)
3경희대학교 환경연구센터

Accredited

ABSTRACT

This study was carried out to understand the water quality characteristics of the initial stormwater runoff and the origin of soluble pollutants according to various rainfall conditions from a non-point source reducing facility. The water sample from this study is collected among 10 collection facilities in the G-drainage area. Specifically speaking, five of the collection points including #1, #5, #8, #9, and #10 are reported with unknown water inflow even during non-rain conditions. The leakage characteristics of non-point pollutants from the collection facilities were then able to identify accordingly. The water quality characteristics of the stormwater runoff from the collection facilities were strongly affected by the amounts ofrainfalls. The average concentrations of EC, BOD,TOC, and TN during non-rain were found to be higherthan their concentrations during rain; on the other hand, the average concentrations of DO were found to be lowerthan its concentrations during rain. In addition, the distribution of organic components existing in the effluent of collection facilities were identified based on the dissolved organic matter analysis. In summary, the stormwater runoff was highly affected by pollutants flowing from the surrounding environment, and the amounts of hard-to-decompose humic substances were greatly increased in the collection facilities due to rain.

Citation status

* References for papers published after 2023 are currently being built.