“In the revised plan, the PMF [Probable Maximum Flood] has stayed the same at 7,000 cumecs, which is a figure based on old data from 2006. Rainfall patterns have changed drastically in recent decades, and the PMF doesn’t appear to have taken this into account. This could have implications on dam safety,” said Himanshu Thakkar (Coordinator of the South Asian Network of Dams, Rivers and People). “It’s shocking the EAC [Expert Appraisal Committee] approved the project for clearance without asking for more details about the PMF assessment. Given the scale and history of this project, a fresh clearance, with fresh impact assessments and fresh public hearings should have happened.”

https://scroll.in/article/1078987/sikkim-parties-citizen-groups-oppose-approval-to-rebuild-dam-destroyed-in-glacial-deluge

(Sediment from the glacial lake outburst flood (GLOF) in October 2023 amplified destruction. Photo Credit: via Press Information Bureau)