Frankfort Dam
The 928th tallest dam in the world
The Frankfort Dam impounds Marsh Stream near the center of Frankfort, Maine, United States. Built in 1905 out of granite probably quarried at the nearby Mount Waldo Granite Works to provide power to local mills, it served for many years as a key element of the local economy. Its spillway has been adapted for use by a hydroelectric power station. The dam was listed on the National Register of Historic Places in 2003.
Dam data from Wikidata (CC0) plus curated additions. Summary from Wikipedia (CC BY-SA).