Section 538.170 - Johnson Creek in Multnomah and Clackamas Counties; limitations on appropriation or diversion(1) Except as provided in subsection (2) of this section, the waters of Johnson Creek, a tributary of the Willamette River and located in Multnomah and Clackamas Counties and all tributaries thereof, except flows of Crystal Springs Creek and its tributaries in excess of 10 cubic feet per second measured at the mouth of Crystal Springs Creek:(a) Are withdrawn from appropriation or condemnation; and(b) Shall not be diverted or interrupted for any purpose whatsoever, except for the purpose of protecting fish life therein by the State Department of Fish and Wildlife or for the purpose of developing hydroelectric power not to exceed 25 theoretical horsepower if such hydroelectric development does not diminish perennial streamflow required for the maintenance of fish life.(2) The tributaries withdrawn from appropriation and condemnation, but not the main channel, of Johnson Creek are open to appropriation and storage from December 1 to June 1 of each year. Water stored during this period may be used at any time.Amended by 1953 c.221 §2; 1965 c.249 §1; 1973 c.50 §1; 1979 c.360 §1