What Is a Distribution Box? (2026 Guide) | SepticTankHub
Learn how d-boxes work, what failure looks like, and what replacement costs in 2026. A distribution box (d-box) is a small concrete or plastic box installed between a septic tank and drain
What quota should be applied to the sewage pump distribution box
Home / What quota should be applied to the sewage pump distribution box
The recommended standards found here support the design of on-site sewage systems (OSS) with design flows less than 3,500 gallons per day (GPD) but may also be applied to large on-site sewage systems (LOSS). Distribution and dosing devices include distribution boxes, flow splitters, siphons, pumps and other flow diversion devices. A septic distribution box, also known as a D-box, is a small container that receives the effluent from the septic tank and distributes it evenly to the network of attached drain fields and pipes. However, some provisions for LOSS are not appropriate or allowed with the 2011 adoption of. This table will be kept up to date on the SEQ WS&S D&C Code web page () and should be used for ref rence to ensure that the latest copy of the code documents is being appl ruction standards for water.
