Photo courtesy of Army Corps of Engineers, Rock Island District MRES plans to add powerplant on right side of Red Rock Reservoir spillway. Missouri River Energy Services plans to build a 36.4-MW hydroelectric plant on an existing dam near Pella, Iowa. The project is indicative of a slow but developing trend in the U.S.MRES, a Sioux Falls, S.D.-based municipal utility power supplier, has hired MWH for engineering work on the $220-million project, Tom Heller, MRES chief executive officer, said on Sept. 16. MWH is an engineering consultant headquartered in Broomfield, Colo.MRES plans to build the Red Rock hydroelectric facility on
The 2016 Summer Olympics boating and swimming events have put an international spotlight on what has been a long-running problem in Rio de Janeiro—untreated sewage and trash are clogging up major bays and waterways.