589.29 Permission to lay water mains. The provisions of section 320.4, relating to the laying of water mains apply to all permits or permissions granted by a county board of supervisors or the state department oftransportation and its predecessors before July 1, 1979 and are retroactive to that extent. [82 Acts, ch 1165, §1] Sat Dec 23 11:09:07 2023 Iowa Code 2024, Section 589.29 (16, 0)
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