Low, Frigid Flows On The Gunpowder River
The past two releases from Prettyboy Dam brought water temps down to safe levels for trout. The water temp was climbing into the upper sixties last week due to surface spillover. The flow went from a mix of spillover and release to a flow of 150 CFs. The river temps dropped down to the low fifties, and the reservoir levels dropped just below the lip of the Prettyboy Dam. Wednesday morning flows were cut back to 30 CFs with 46-48 degree water pulled from a lower gate. The threat of thunderstorms and water lapping only inches from spilling over was cause for an additional release. …