Jones Falls Dam
The 928th tallest dam in the world
Jones Falls Dam is a dam on the Rideau Canal located in Rideau Lakes, Leeds and Grenville United Counties, Ontario, Canada, that was built between 1828 and 1831 to tame the mile-long series of rapids and falls that flowed from Sand Lake and into the White Fish River (now drowned).
Dam data from Wikidata (CC0) plus curated additions. Summary from Wikipedia (CC BY-SA).