When the level in the basin drops, the float returns to its starting position and turns off the pump until the next time the basin is filled. The wastewater is pumped from the basin to the sewer or septic system. When the wastewater level in the basin reaches a certain level, a moving float on the sewage ejector pump triggers the start of the drain lines into a sump basin. On average, a sump basin holds 30 gallons of waste from a medium-sized household. Especially in rural areas, septic drainage fields or holding tanks are usually higher than basement fixtures.Īn underground sump basin controls the sewage ejector pumps. Septic drainage fields, holding tanks, and septic drain fields all utilize ejector pumps. In this case, if the municipal sewer lines that lead to the street are higher than the fixture, the pump will pump liquid, solids, and sewage to the main line. The sewage ejector pump operates similarly to a groundwater sump pump in that it lifts waste/sewage up and out of the main sewer line.īasement bathrooms and laundry rooms often have ejector pumps. Residents typically pump sewage from sewage basins into sewer systems or septic tanks which typically contain soft solids up to 2' wide.Ĭontact Hoerner Today! What Is A Sewage Ejector Pump? Solids (sewage) and liquids move through sewage pumps. Because drain-wastewater flows according to gravity, any plumbing system that has fixtures below the main sewer line requires a pump or some way of elevating it so that it can drain properly. Sewage ejector pumps, sometimes called pump-up ejector systems, are used when a bathroom, laundry room, or any other type of plumbing fixtures are situated below the main sewer or septic line.

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