1. Short title This Act may be cited as the Harmful Algal Bloom and Hypoxia Research and Control Act of 2018 . 2. Harmful algal blooms and hypoxia research and control (a) Reauthorization of national harmful algal blooms and hypoxia program Section 609(a) of the Harmful Algal Bloom and Hypoxia Research and Control Act of 1998 ( 33 U.S.C. 4003(a) ) is amended— (1) by striking and 603B and inserting , 603B, and 603C ; (2) by striking $20,500,000 and inserting $22,000,000 ; and (3) by striking 2018 and inserting 2023 . (b) Greater Everglades assessment and action plan The Harmful Algal Bloom and Hypoxia Research and Control Act of 1998 ( 33 U.S.C. 4003 ) is amended by inserting after section 603B the following new section: 603C. Greater Everglades harmful algal blooms and hypoxia (a) Integrated assessment Not later than 18 months after the date of enactment of the Harmful Algal Bloom and Hypoxia Research and Control Act of 2018 , the Task Force, in accordance with the authority under section 603, shall complete and submit to the Congress and the President an integrated assessment that examines the causes, consequences, and potential approaches to reduce harmful algal blooms and hypoxia in the Greater Everglades region, including— (1) a comprehensive analysis of how restoration efforts undertaken pursuant to such section with respect to the South Florida Ecosystem (as defined in section 528 of the Water Resources Development Act of 1996 ( 33 U.S.C. 2201 note; Public Law 104–303 )) may impact the distribution, magnitude, duration, and frequency of harmful algal blooms and hypoxia events within the region