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
West Hill Dam West Hill Dam West Hill Dam Reserve is a United States Army Corps of Engineers flood control project with a recreational park and wildlife management area located at Uxbridge, Massachusetts. The West Hill Dam Project was completed in 1960. It is located on the West River, one of the branches of the Blackstone River which flows from Worcester, MA to Providence, RI. The West River originates in Grafton, Massachusetts, at Cider Mill Pond and Silver Lake, near Upton, Massachusetts, and the Upton State Forest. The dam is unusual in that it isn't filled unless there is a flood. West Hill