(1) A current monitoring well constructor’s license as specified in rules adopted by the Water Resources Commission;
(2) A current water supply well constructor’s license as specified in rules adopted by the commission;
(3) A current certificate of registration as a geologist issued under ORS 672.505 to 672.705; or
(4) A current certificate of registration as an engineer issued under ORS 672.002 to 672.325. [2009 c.767 §3]