Knockruan Loch
Argyll and Bute, United Kingdom
Knockruan Loch is a reservoir of the impounding variety, located 2.5 kilometres north of Campbeltown, Scotland, and is one of three lochs supplying water to the town. The earthfill dam is 1.82 metres high and was completed in 1931.
Reservoir data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).