Bill Gunn Dam
The 928th tallest dam in the world
The Bill Gunn Dam is an earth-fill embankment dam with an un-gated spillway located off-stream in Laidley Heights in the South East region of Queensland, Australia. The main purpose of the dam is for irrigation of the Lockyer Valley. The resultant reservoir is called Lake Dyer.
Dam data from Wikidata (CC0) plus curated additions. Summary from Wikipedia (CC BY-SA).