Congressional Budget Office Cost Estimate: H.R. 335, South Florida Clean Coastal Waters Act of 2019 as Ordered Reported by the House Committee on Science, Space, and Technology on July 24, 2019 [open pdf - 30KB]
From the Document: "H.R. 335 would amend the Harmful Algal Bloom and Hypoxia Research and Control Act of 1998 to direct the interagency task force on harmful algal blooms to develop and submit to the Congress within two years a plan to reduce, mitigate, and control harmful algal blooms in southern Florida. The interagency task force includes the National Oceanic and Atmospheric Administration, the Environmental Protection Agency, the Department of the Interior, the Department of Agriculture, and other agencies."
Congressional Budget Office: http://www.cbo.gov/