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Welcome to

Lake Red Rock


Lake Red Rock is Iowa's Largest Lake with over 15,000 acres of water and 35,000 acres of land for your enjoyment.  Located on the Des Moines River just 45 miles southeast and downriver from Des Moines, the reservoir collects runoff and and drainage from over 12,320 square miles of Iowa and southern Minnesota land.  This protects communities and agriculture lands downstream from the Red Rock Dam.  The maximum flood control pool is 780 feet above sea level, over 33 miles long, and covers 65,500 acres.  Other lake area benefits include numerous recreational opportunities and natural resources on the water and surrounding public lands.

Latest News

New Facebook Page for Lake Red Rock
Lake Red Rock now has a Facebook page! Please check it out and "like" the lake at the following link: https://www.facebook.com/lakeredrock The Facebook page was just created on April 3rd and is still a work in progress, but the Corps of Engineers plans to post information on it frequently to help you stay informed about lake area activities. For more information, contact the Corps office at (641) 828-7522.
Published: 4/4/2015
Intermittent road restrictions continue as hydro project progresses
The mild weather this week has allowed crews at the Red Rock Dam to continue working day and night to prepare the site for construction of a powerhouse and intake structure that will comprise the Red Rock Hydroelectric Project (RRHP). Short-term road closures, directed by the Marion County Sheriff’s Department, will occur in the overnight hours every three to four days as crews move large rebar cages from the North Tailwater staging area to the construction area on the upstream side of the Dam. In addition, Highway T-15 will be restricted to one lane every three to four days to facilitate staging of the concrete trucks to ensure worker and public safety as the wall element sections are poured.
Published: 3/18/2015
Downstream work prepares for RRHP powerhouse construction
Construction continues at the Red Rock Dam where Missouri River Energy Services (MRES) will construct a new hydroelectric power plant. Much of the construction work being done is in preparation for construction of the powerhouse, which is expected to begin in summer 2015. On the downstream side of the Red Rock Dam, the construction of the cofferdam, which is located between the Des Moines River and the power plant site, is well underway. The construction of Cells #1 and #2 are largely complete, Cell #3 is being filled with sand, and the walls of Cell #4 are being installed.
Published: 2/26/2015