Sewage pumps are designed to handle sewage and untreated waste water . These pumpsets are also used for the purpose of removing water from a flooded area. It is generally used in homes and businesses during storms, floods and in mines to remove underground water.Some models also come with cutters that cut larger semi-solid materials to smaller and manageable sizes. When in operation, the pumpsets creates a vacuum which sucks the nearby solids and liquids and ejects them out through the discharge pipe.