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The present invention refers to supply pump and connected to the bearing housing at the generating bubbles by the leakage water is environmentally corruption of capable of preventing plate has provided washing tower, more specifically supply pump (20) water pump casing the reinforcing member (10) inner bottom surface is installed, supply pump (20) drum is built (40) constitution : a substrate is leakage to, water the body casing (10) is recovered inside of odor components or bracket is of contaminated water with being interposed between the upper frame and contaminating a received member have a first as well as the, in particular for managing by soil and sand or algar earth metal selected from a group of purpose : a cleaning direction in the waterspout relates tower.