(a) As used in this section, (1) “certified clean marina” means a facility committed to the Department of Energy and Environmental Protection’s voluntary clean marina program and engaged in efforts to operate at standards exceeding regulatory compliance, as prescribed by the Department of Energy and Environmental Protection, including, but not limited to, implementing practices that minimize pollution from mechanical activities, cleaning, painting and fiberglass repair, hauling and storing boats, fueling and facility management, and (2) “eligible project” means any portion of a sediment, dredging or dredge disposal activity for which all necessary permits and certifications have been obtained and that complies with the provisions of § 13b-55a or 13b-57.

(b) An eligible project proposed by a certified clean marina shall receive priority ranking for grants-in-aid awarded pursuant to § 13b-55a or 13b-57 and shall qualify for an additional grant under either of said sections in an amount equal to ten per cent of the costs of the project.

(c) A certified clean marina shall remain eligible for priority ranking pursuant to subsection (b) of this section for up to five years after July 1, 2013, or the date of such marina’s most recent certification, whichever is later.