Worthington Waterway Barriers | TrustPower Matahina Dam 2017 HD 1080p @Tuffboom | Uploaded June 2022 | Updated October 2024, 1 hour ago.
A 1 in 500-year Extreme Flood Event in New Zealand caused massive downstream flooding. Witness the effectiveness of a debris boom in preventing debris blockage of the primary spillway during the height of this Probable Maximum Flood (PMF) event.