Me. Rev. Stat. tit. 38, § 843

The commissioner shall review an ordinance submitted pursuant to Title 30‑A, chapter 187, subchapter VI for consistency with this article. If the commissioner determines that the ordinance includes all substantive provisions of this article and includes all provisions required by Title 30‑A, chapter 187, subchapter VI, the commissioner shall approve that municipality for authority to establish water level regimes and minimum flow requirements for impoundments and dams.