An early morning time-lapse video of the Garrison Dam hydroelectric powerhouse and Missouri River located near Riverdale, North Dakota, June 25, 2026. (U.S. Army Corps of Engineers video by Delanie Stafford)
The U.S. Army Corps of Engineers Omaha District has completed the $250 million Pipestem Dam Spillway Modification Project, fulfilling a three-year commitment to residents of Jamestown, North Dakota, and communities downstream of the dam.