Septic D-Box Function and Maintenance

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Is your distribution box or d-box for your septic system well-maintained and working as it should? If you are asking yourself what a d-box is, you should learn a little more about your septic system. Although the septic tank and drain field are major components of your septic system, in between these two large parts is your distribution box. If not maintained, your d-box could cause problems with both your tank and your drain field, even leading to septic system failure.

What Is a D-Box’s Function?

The distribution box for your septic system is the final zone for affluent before it enters the drain field. This box is usually located near the drain field under the ground. Most d-boxes are a few feet across and about a foot under the ground. Traditionally these collection boxes are made from concrete, but they can be comprised of plastic or fiberglass. The box is sealed and has a lid that can be removed.

The d-box’s function is to collect affluent from the septic tank and distribute it evenly to the drain field. There are usually a few different outlets to the different drain field pipes so that affluent is spread throughout the drain field. When working properly, a d-box ensures that the affluent is even dispersed for maximum filtering through the soil. 

D-Box Problems

Common issues with distribution boxes are leaks, clogs and corrosion. These boxes are necessary for your septic system to work correctly, so if the box is leaking or needs replacement, it could cause flooding and a septic backup. Clogs in the pipes to and from the d-box can also cause a backup. You should know where your d-box is located and be aware of any pooling or odor coming from that area.

Your d-box should be regularly inspected as part of your schedule maintenance for your septic system. If you notice any issues near your d-box, call your local septic service immediately.

Posted on behalf of:
Metro Septic LLC
1210 N Tennessee St
Cartersville, GA 30120
(678) 873-7934

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