The Department of Inland Fisheries and Wildlife shall adopt rules that define "significant vernal pool habitat," "high and moderate value waterfowl and wading bird habitat," "shorebird nesting, feeding and staging areas" and "habitat for state endangered and state threatened species listed under Title 12, section 12803, subsection 3" under section 480-B, subsection 10, paragraph B. The Department of Environmental Protection shall adopt rules regarding the criteria used to determine whether an area is significant vernal pool habitat, high and moderate value waterfowl and wading bird habitat, shorebird nesting, feeding and staging areas or habitat for state endangered and state threatened species listed under Title 12, section 12803, subsection 3 under section 480-B, subsection 10, paragraph B. The rules, as applicable, must: [PL 2023, c. 156, §3 (AMD).] 1. Definition of buffer area. Include a definition of the buffer area to be regulated; [PL 2005, c. 116, §5 (NEW).] 1-A. Significant vernal pool habitat; definitions. With respect to significant vernal pool habitat, define: A. "Critical terrestrial habitat" to mean uplands and wetlands associated with significant vernal pools used by pool-breeding amphibians for migration, feeding and hibernation, in particular, forested wetlands and forested uplands that provide deep organic litter, coarse woody debris and canopy shade; [PL 2025, c. 338, §1 (NEW).] B. "Significant vernal pool habitat" to mean a significant vernal pool and that portion of the critical terrestrial habitat within 250 feet of the spring or fall high-water mark of the vernal pool depression; and [PL 2025, c. 338, §1 (NEW).] C. "Significant vernal pool protection zone" to mean that portion of the critical terrestrial habitat within 100 feet of the spring or fall high-water mark of a significant vernal pool depression. With respect to habitat management standards for significant vernal pool habitat, the rule must require no disturbance within the significant vernal pool depression and the significant vernal pool protection zone to the greatest extent practicable; [PL 2025, c. 338, §1 (NEW).] [PL 2025, c. 338, §1 (NEW).] 2. Certain landowners not subject to regulation. Provide the following exemptions to regulation. A. [PL 2025, c. 338, §2 (RP).] B. If a vernal pool depression is bisected by a property boundary and a landowner proposing to cause an impact does not have permission to enter the abutting property, only that portion of the vernal pool depression located on property owned or controlled by that landowner may be considered in determining whether the vernal pool is significant. A written department determination that a vernal pool is not significant pursuant to this paragraph remains valid regardless of timeframe. Where the critical terrestrial habitat for a significant vernal pool is bisected by one or more property boundaries, the critical terrestrial habitat located on a property that does not contain the vernal pool depression must be afforded the same habitat protections under the rule as the critical terrestrial habitat located on the property that contains the vernal pool depression. [PL 2025, c. 338, §2 (AMD).] C. Rules adopted under this section may not require an applicant for a license for a working waterfront activity on working waterfront land that is part of a state or federal brownfields program or a voluntary response action program under section 343-E to compensate for lost habitat function with a function of equal or greater value or to provide a compensation fee pursuant to section 480-Z; [PL 2013, c. 231, §5 (NEW).] [PL 2025, c. 338, §2 (AMD).] 3. Department of Environmental Protection must provide written field determination. Require that the Department of Environmental Protection provide a written field determination upon the request of a landowner whose land may be affected by the definitions and criteria adopted in a rule; [PL 2005, c. 116, §5 (NEW).] 4. Department of Environmental Protection may not assess fine in certain cases. Provide that the Department of Environmental Protection may not assess a fine against a landowner who acted in accordance with a written field determination if the fine would be based solely on information in the written field determination; [PL 2011, c. 362, §2 (AMD).] 4-A. Identification of significant vernal pools; drying. Provide that, when a vernal pool habitat has not previously been determined to be significant and the department or the Department of Inland Fisheries and Wildlife makes a determination concerning whether the vernal pool habitat is significant, either department may determine that the vernal pool habitat is not significant if: A. The vernal pool is located in northern Maine and dries out after filling and before July 15th; or [PL 2025, c. 338, §3 (NEW).] B. The vernal pool is located in southern Maine and dries out after filling and before July 1st; [PL 2025, c. 338, §3 (NEW).] [PL 2025, c. 338, §3 (NEW).] 5. Process for voluntary identification. Include a process for a landowner to voluntarily identify the landowner's land as a significant vernal pool habitat and to provide the Department of Inland Fisheries and Wildlife the authority to map the significant vernal pool habitat; and [PL 2011, c. 362, §3 (AMD).] 6. Artificial vernal pool. Explicitly provide that an artificial vernal pool is exempt from regulation as long as the vernal pool was not created in connection with a compensation project pursuant to section 480-Z. [PL 2011, c. 362, §4 (NEW).] Rules adopted pursuant to this section are major substantive rules as defined in Title 5, chapter 375, subchapter 2-A. [PL 2005, c. 116, §5 (NEW).]
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