ID: 1835
Presenting Author: Dong sin Han
Session: 516 - Asian S3EA: Strategic, Spatial and Sustainable EA with effective information
Status: pending
prepared by the Korea Environment Corporation (KECO) in December 2025, provides an integrated analysis of post-environmental impact assessment (post-EIA)
results for urban development project
This report, prepared by the Korea Environment Corporation (KECO) in December 2025, provides an integrated analysis of post-environmental impact assessment (post-EIA)
results for urban development projects. The purpose of this feedback report is to strengthen the feedback loop between environmental impact prediction, implementation, and post-project monitoring to enhance the effectiveness of Korea's EIA system.
Post-ElA is conducted to assess actual environmental impacts after project initiation, verify compliance with agreed conditions, and correct unforeseen environmental changes. Since its introduction in 1993 and reinforcement through the 2015 and 2018 legal amendments, the system has evolved to ensure transparency and accountability. Urban development projects account for nearly half (49%) of al post-EIA reviews, making them a key focus of analysis.
The study analyzed 215 post-EIA reports from 2016 to 2024 across four environmental sectors— ecological, water, air, and noise/vibration. Frequent deficiencies, inconsistencies between prediction and observation, and community complaints were identified to propose improvements for future ElAs.
In the ecological sector, inadequate installation of eco-channels (26%) and frequent reappearance of endangered species such as the narrow-mouthed toad (Kaloula borealis) were noted. The reappearance rate (46%) indicates shortcomings in capture-relocation methods and failure to consider nocturnal behavior and breeding seasons. In the water sector, 34 cases of standard exceedance and 16 cases of inactive temporary sedimentation basins
I am a water quality specialist in environmental impact assessment at the Korea Environment Corporation, with over 10 years of experience in the field. My major professional background includes water
Coauthor 1: sang wook Cheon