Processing water tank for collecting water, particularly rain water, has small container arranged as feeding container on base of tank

摘要

The processing water tank has a small container (2) arranged as a feeding container on a base of a tank (1). An inlet valve (5), particularly a valve or a flap is arranged in an inlet (10) of the tank for the small container. The inlet valve closes the inlet with a pre-determined bottom of the water level in the tank.