City of Miami Beach issued the following announcement on July 24.
Keep Fertilizer at Bay, Not in the Bay. Beautiful and serene, Biscayne Bay provides recreational, cultural, and economic well-being for our entire community. To help keep the bay
healthy and pristine, the City of Miami Beach has prohibited the use of fertilizer application from June 1 through November 1.
Show your bay some love. Ditch the fertilizer. For information on fertilizer application outside of the restricted period visit www.mbrisingabove.com/fertilizers.
Original source can be found here.