In this subchapter:
(1) “Approved implementation program” means an implementation plan identified as part of an approved comprehensive conservation and management plan.
(2) “Approved comprehensive conservation and management plan” means an estuary management plan that is prepared through the efforts of citizens, organizations, industries, local governments, and state and national agencies working together as part of the National Estuary Program to develop long-term comprehensive conservation and management plans (CCMPs) and that has been approved by the governor of Texas and the administrator of the United States Environmental Protection Agency to protect the environment and the economies of the state and of the regions with estuaries. The term includes the plans for Galveston Bay and the Coastal Bend estuaries.
(3) “Implementing agency” means the entity identified for day-to-day administration of an estuary program. An implementing agency may be a state agency or other local or regional entity, as identified in an approved estuary management plan.
(4) “National Estuary Program” means the cooperative estuary management program authorized by and developed under Section 320 of the Federal Water Pollution Control Act (33 U.S.C. § 1330), as amended.