For storm water contamination falling courtyard new tank area and tank new area pumps and wells Remote Impounding Basin, where the rain falls during the first 15 minutes, the amount of 11.4 cubic meters (when its area is equal to 8.78. , 1.83 and 0.79 cubic meters respectively) by the rain that fell in the yard bucket and the pump will flow to the pond, Remote Impounding Basin, which has a capacity of 48 cubic meters.