Oahe Dam the Rocky Mountains forced the dam to open the release gates (not the spillway), releasing in June with another through the power plant totaling . The previous release record was in 1997. Oahe Dam The Oahe Dam is a large earthen dam on the Missouri River, just north of Pierre, South Dakota, United States. The dam creates Lake Oahe, the fourth largest man-made reservoir in the United States. The reservoir stretches up the course of the Missouri to Bismarck, North Dakota. The dam's power plant provides electricity for much of the north-central United States. It is named for the Oahe
Aroona Dam Aroona Dam Aroona Dam is a reservoir in the Australian state of South Australia located in the gazetted locality of Leigh Creek about west of the locality’s town centre. The dam consists of a concrete gravity dam of a height of and a width of which holds back a lake of a volume of and which extends for a distance about to the east of the dam wall. The origin of its name is not mentioned in sources. However, the word ‘Aroona’ is listed in the official government place name gazetteer as the name of some geographic features either adjoining