1. Short title This Act may be cited as the Flood Protection Act . 2. Frequent and chronic coastal flooding mitigation and adaptation infrastructure projects The Coastal Zone Management Act of 1972 ( 16 U.S.C. 1451 et seq.) is amended by redesignating sections 318 and 319 as sections 320 and 321, and by inserting after section 317 the following: 318. Frequent and chronic coastal flooding mitigation and adaptation infrastructure projects (a) In general The Secretary may make grants to State and local governments for federally recognized Indian Tribes for frequent and chronic coastal flooding mitigation and adaptation infrastructure projects. (b) Authorized uses Amounts provided as a grant under this section may be used for any of the following: (1) Adaptation of existing infrastructure, including enhancements to both built and natural environments. (2) Maintenance and updating of existing frequent and chronic coastal flood risk reduction infrastructure, such as gravity drainage structures, road elevation, bulkheads, gates, and floodwalls. (3) Increasing waterfront resilience to frequent and chronic coastal flooding, including creation of bulkheads, dune enhancement, beach renourishment, and levees. (4) Improvements to diversion, removal, and storage infrastructure to reduce risks caused by frequent and chronic coastal flooding. (5) Innovative methods to reduce risks caused by chronic flooding along street infrastructure systems, including canal streets, absorbent streets, floodable parks, and underground cisterns. (c) Limitation on project eligibility A project shall not be eligible for funding under this section if it will have any long-term negative impact on important ecological functions and habitat or existing natural coastal protection features and functions. (d) Priority In making grants under this section the Secretary shall give priority to the following: (1) Protecting areas the elevation of which is not greater than 10 feet above mean low tide. (2) Protecting critical infrastructure, as that term is