For the implementation and operation of the Brazilian Federal law on water resources of 1997 it is indispensable to use planning tools that take into account the effect of all activities or processes that cause or contribute to the loss of quality of a waterbody. For this purpose, the nutrient phosphorus was evaluated by the TMDL (total maximum daily load) process developed by the United States Environmental Protection Agency – EPA in the drainage area of contribution to the future […]