The Coralville Reservoir is a large artificial lake located in Iowa, created by the construction of the Coralville Dam on the Iowa River. It serves multiple purposes, including flood control, water supply, and recreational activities. The reservoir covers approximately 5,000 acres and is a popular spot for fishing, boating, and hiking. Surrounding the reservoir, the Coralville Lake area features parks and trails that enhance outdoor experiences for visitors. The reservoir also plays a vital role in supporting local wildlife and maintaining the ecological balance in the region. It is managed by the U.S. Army Corps of Engineers.