Seine River Steamers of cascading ponds with a depth of 6 and a half feet. Early experiments with steam were started in 1780s on the Rhone River in France, and were perfected with Fulton's boat on the Seine in 1803. The British had the early lead with steam, from James Watt, William Symington, and Henry Bell, and thus it became logical that the technology transfer would migrate across the English Channel. The "Rob Roy" did such a task in 1816, while the "Aaron Maltby" left London and sailed up the Seine to Paris in 1822. A charter was issued for a tourist day
Almada River of Castelo Novo, Sambaituba and Aritaguá. From Aritaguá the river flows south parallel to the sea shore past Iguape, and empties into the Atlantic Ocean near the town of Ilhéus. The Almada River supplies water to the towns of Itajuípe and Coaraci. It supplies about 70% of the water used by residents of Itabuna. In the summer of 2015–16 water rationing was imposed due to low levels in the river, which had dried up in some sections. As of 2010 half the domestic sewage from Aritaguá was released directly into the river, while 25% went into pits in backyards, and