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Analysis Of The Bangkir Moving Dam As A Flood Control Measure In The Indramayu Regency Area Riyanto, Farrel Arkananta; Putra, Mashadi; Ghiffary , Kahfi Anwar; Nurdiyanto, Nurdiyanto
Journal of World Science Vol. 4 No. 10 (2025): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v4i10.1526

Abstract

This study analyzes the capacity of the Bangkir Movable Dam as a strategic solution to control flooding downstream of the Cimanuk River in Indramayu, which often occurs due to river overflow. This quantitative study uses rainfall data over a 10-year period (2015–2024) to calculate the design flood discharge, with the Weduwen method selected as the primary reference due to its most conservative estimates. The analysis results determine the 50-year return period flood discharge (Q50) at 599.58 m³/s. Meanwhile, the total dam capacity, calculated using the Sharp-Crested Weir method, reaches 1,329.68 m³/s. The comparison shows that the existing dam capacity is significantly larger than the planned flood discharge. Thus, the Bangkir Movable Weir is considered effective and capable of controlling floods for a return period of up to 100 years, thereby reducing the risk of flooding in the Indramayu region.