Water Management Districts; Requiring the Commission on Ethics to investigate a lobbyist or principal who has made a prohibited expenditure and to provide the Governor with a report of its findings and recommendations regarding such investigation; requiring the South Florida Water Management District, in cooperation with the Department of Environmental Protection, to provide a detailed report that includes the total estimated remaining cost of implementation of the Comprehensive Everglades Restoration Plan and the status of applicable performance indicators for all project components; authorizing water management districts to levy certain ad valorem taxes on specified property for certain purposes; requiring that the preliminary budget for each water management district include a section that contains the district’s capital improvement plan for the current fiscal year and the next fiscal year, etc.