1. Short title This Act may be cited as the South Florida Clean Coastal Waters Act of 2018 . 2. South Florida harmful algal blooms and hypoxia assessment and action plan (a) In general The Harmful Algal Bloom and Hypoxia Research and Control Act of 1998 ( Public Law 105–383 ; 33 U.S.C. 4001 et seq.) is amended— (1) by redesignating sections 605 through 609 as sections 606 through 610, respectively; and (2) by inserting after section 604 the following: 605. South Florida harmful algal blooms and hypoxia (a) South Florida In this section, the term South Florida has the same meaning given the term South Florida ecosystem in section 601(a)(5) of the Water Resources Development Act of 2000 ( Public Law 106–541 ). (b) Integrated assessment Not later than 540 days after the date of enactment of the South Florida Clean Coastal Waters Act of 2018 , the Task Force, in accordance with the authority under section 603, shall complete and submit to Congress and the President an integrated assessment that examines the causes, consequences, and potential approaches to reduce harmful algal blooms and hypoxia in South Florida, and the status of, and gaps within, current harmful algal bloom and hypoxia research, monitoring, management, prevention, response, and control activities that directly affect the region by— (1) Federal agencies; (2) State agencies; (3) regional research consortia; (4) academia; (5) private industry; and (6) nongovernmental organizations. (c) Action plan (1) In general Not later than 2 years after the date of the enactment of the South Florida Clean Coastal Waters Act of 2018 , the Task Force shall develop and submit to Congress a plan, based on the integrated assessment under subsection (b), for reducing, mitigating, and controlling harmful algal blooms and hypoxia in South Florida. (2) Contents The plan submitted under paragraph (1) shall— (A) address the monitoring needs identified in the integrated assessment under subsection (b)