Here it is, straight out of the regs.

Additional rules for Mill Creek to Barrier Dam upstream from a line from Mill Creek to a
boundary marker on the opposite shore. (1) CLOSED WATERS - from Barrier Dam downstream 400'
or the posted deadline. (2) ALL SPECIES - night closure and non-buoyant lure restriction Apr. 1-Oct.
31. (3) Fishing from boats prohibited at all times. (4) Fishing from south side of river is prohibited
for ALL SPECIES May 1-June 15. (5) Hours of access to this area are 4:00 a.m.-10:00 p.m. daily.

Blue Creek has a night closure.