JAMESTOWN — Combined releases at Jamestown and Pipestem reservoirs are at 500 cubic feet per second, according the U.S. Army Corps of Engineers. Releases at Pipestem Reservoir were increased by 100 cfs from 100 to 200 cfs. The Corps of Engineers said releases were increased at Pipestem Reservoir to slowly lower the pool elevation which is at 1,461.7 feet above mean sea level. Releases at Jamestown Reservoir remain at 300 cfs. Release at Jamestow…