What is the purpose of the pump chamber in a septic system?

The pump chamber in a septic system plays a crucial role in managing wastewater by lifting and distributing effluent to the drain field. After the wastewater has undergone preliminary treatment in the septic tank, it typically contains liquid effluent that needs to be moved to the drain field for further treatment and absorption into the soil.

In many septic systems, particularly those installed in areas with high water tables or where the natural topography does not allow for gravity drainage, the pump chamber collects this treated effluent. When the liquid level in the pump chamber rises to a certain point, a pump activates, propelling the effluent up and out to the drain field. This process ensures that wastewater is effectively transported away from the septic tank and into the distribution system, helping to prevent backups and maintain the overall functionality of the septic system.

The other choices address different aspects of septic systems but do not accurately define the specific function of the pump chamber. While filtering solid waste and treating wastewater are essential functions of the septic tank itself, and while there may be situations where excess water is stored, these processes are not the primary role of the pump chamber. Its main purpose is specifically to lift and distribute effluent for proper treatment and disposal in the drain field.