A southbound lane of SH-151 over Keystone Dam is closed through August for bridge repairs, officials say. TULSA, Okla. - The southbound lane of State Highway 151, over the Keystone Dam, will be closed ...

UPDATE (7/15/25) — Zink Lake has reopened after it closed due to unsafe water conditions in June. River Parks Authority said the lake closed due to increased water levels after Keystone Dam's water ...

That maintenance work continues, but the Arkansas river has returned to more normal levels as work switches from one turbine unit to the next. Kent Dunlap, U.S. Army Corps of Engineers Lake Keystone ...

Water from Keystone Lake Dam has slowed to a trickle as workers perform routine maintenance on the dam's two electric turbine units, leaving the Arkansas River mostly a sand bar from bank to bank.