(1) Once an angling restriction or fishing closure is implemented, it will remain in effect until September 15 or until reopening criteria described in (2) or (3) have been met.

(2) The department may reopen streams managed for salmonids when the department determines in its discretion that daily maximum water temperature does not exceed 70 degrees Fahrenheit for three consecutive days.

(3) Streams designated by the department to have bull trout shall remain closed until the following conditions occur:

(a) daily maximum water temperature equals or does not exceed 60 degrees Fahrenheit for three consecutive days; and

(b) when flow regimes provide adequate security habitat.