Water Management Districts; Requires Commission on Ethics to investigate lobbyist or principal who has made prohibited expenditure & to provide Governor with report of its findings & recommendations regarding such investigation; prohibits certain persons from making or accepting expenditures; requires South Florida Water Management District, in cooperation with DEP, to provide detailed report that includes total estimated remaining cost of implementation of Comprehensive Everglades Restoration Plan & status of applicable performance indicators for all project components; requires South Florida Ecosystem Restoration Task Force to identify certain sources of funding; authorizes water management districts to levy certain ad valorem taxes on specified property for certain purposes; requires district governing board levying ad valorem taxes for certain projects to adopt resolution approved by majority vote of voting electors in district or basin; requires that water management district's tentative budget for its proposed operations & funding requirements include district's capital improvement plan for current year & next fiscal year; requires that certain projects submitted by water management districts to department for Statewide Flooding & Sea Level Rise Resilience Plan be ranked on separate list; revises list of information that must be submitted by department for each project.