Most septic tanks have chambers that are designed to separate and treat the wastewater that enters the tank. These chambers are typically arranged in a specific order to allow the wastewater to flow through the tank and be treated by natural processes.

Here is the general layout of a septic tank with chambers:

Inflow chamber

The inflow chamber is the first chamber in the septic tank. It is where wastewater enters the tank from the plumbing system.

Separation chamber

The separation chamber is the second chamber in the septic tank. In this chamber, the wastewater is allowed to settle, with the heavier solids sinking to the bottom and the lighter materials floating to the top.

Outflow chamber

The outflow chamber is the third chamber in the septic tank. It is where the clarified wastewater, which has been treated by the natural processes in the tank, flows out of the tank and into the drain field.

Sludge chamber

The sludge chamber is the bottom of the septic tank, where the heavier solids that have settled out of the wastewater are stored. These solids are typically composed of organic matter and bacteria, and they are eventually broken down by the natural processes in the tank.

Overall, most septic tanks have chambers that are designed to separate and treat the wastewater that enters the tank. The specific layout and arrangement of the chambers may vary based on the specific design of the tank.