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
East Brimfield Dam East Brimfield Dam The East Brimfield Dam is located on the Quinebaug River in Sturbridge, Massachusetts, approximately southwest of Worcester, Massachusetts. Designed and constructed by the United States Army Corps of Engineers, this dam substantially reduces flooding along the Quinebaug and Thames rivers. Construction of the project began in 1958 with completion in 1960 at a cost of US$7,020,000. The East Brimfield Reservoir, located in Sturbridge and Brimfield to its west, lies within the Quinebaug River Watershed and is part of the Thames River Basin. Access to the site is available from US Route 20. The project consists of a