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
Percha Dam State Park Percha Dam State Park Percha Dam State Park is a state park of New Mexico, United States, located south of Truth or Consequences, New Mexico on the Rio Grande. The park itself encompasses approximately . The dam is less than downstream of the much larger Caballo Dam, and therefore Percha Dam's reservoir is essentially a wide, slow moving section of river. The dam's purpose is to raise the elevation of the Rio Grande slightly to allow irrigation of the chile pepper crop downstream. The park is popular for fishing, rafting, kayaking, and bird watching, and it is especially popular during