Testimony shall be taken, evidence shall be open to inspection and claims shall be subject to contest in a proceeding to determine rights to appropriate the ground water of any ground water reservoir initiated under ORS 537.670 as nearly as possible in the same manner as provided in ORS 539.070, 539.090, 539.100 and 539.110 for the determination of the relative rights of the various claimants to the waters of any surface stream.
ORS 537.680