Effective 28 Aug 1989
640.412. Inventory to be maintained on ground and surface water uses, quantity and users. — The department shall inventory:
(1) Existing surface water and groundwater uses;
(2) The quantity of surface water and groundwater available for uses in the future; and
(3) Water extraction and use patterns, including regulated and unregulated users.
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(L. 1989 S.B. 112, et al. § 5)