What feature must all pump chambers have according to the standards?

The requirement for all pump chambers to have a minimum diameter of twenty-four inches is crucial for ensuring proper function and maintenance of the septic system. A diameter of this size allows adequate space for the pump and necessary components, facilitating efficient movement of wastewater and preventing clogs. Additionally, it provides sufficient room for maintenance personnel to access the pump for repairs or inspections, which is vital for the longevity and performance of the system.

While other features, such as the height of the chamber and compatibility with maintenance tools, are important, the minimum diameter specifically addresses the operational and accessibility needs related to pump chambers. A well-designed pump chamber enhances the reliability of the septic system while ensuring compliance with health and safety regulations.