Opuha Dam
The 928th tallest dam in the world
The Opuha Dam is located on the Opuha River, a tributary of the Ōpihi River in South Canterbury, New Zealand. The dam is used for water storage for farming irrigation and provides 7.7 MW of electricity to New Zealand's national grid. The site has been identified as an Important Bird Area by BirdLife International because it supports breeding colonies of the endangered black-billed gull.
Dam data from Wikidata (CC0) plus curated additions. Summary from Wikipedia (CC BY-SA).