The commission may designate all or part of any water area having any or all of the resource values cited in section 462B.1, subsection 6, as a prospective protected water area. The prospective designation shall be in effect for a period not to exceed two years during which a management plan is prepared for the protection and enhancement of those values cited in section 462B.1, subsection 6.
Iowa Code § 462B.4
84 Acts, ch 1261, §6