AHSAHKA, Idaho – Discharge flows from Dworshak Dam and Reservoir will be decreased tomorrow, April 10, 2018, beginning at about 9 a.m., from approximately 10,000 c.f.s. (cubic feet per second) to about 7,500 c.f.s., according to reservoir managers at the U.S. Army Corps of Engineers' Walla Walla District.