Septic Drain Field Design Construction

The septic tank may last for 20 to 30 years but drain fields do not normally last that long unless they are well designed treated with a bacteria supplement and the gravel structure and internal pvc remain intact.

Septic drain field design construction. The drain field is also known as leaching beds or absorption field. It is an essential part of the sewage disposal system. Design guide for septic drainfields. You will want to choose a site that is away from the house but close to the tank.

If placed in an area with good ground absorption a drain field can last up to 10 years. With this design effluent is piped from the septic tank to a shallow underground trench of stone or gravel. Step 1 choose your site. The field should be at least 10 feet away from your edible garden and any water such as a lake river or well.

Leach field or soakaway field size requirements for these septic system designs. A conventional septic system is typically installed at a single family home or small business. The name refers to the construction of the drainfield. The gravel stone drainfield is a design that has existed for decades.

Trench line specs detailed specifications leach fields gravelless systems deep trench systems shallow trench systems cut and fill systems absorption bed systems. While all septic tank drain fields require regular inspection you can save a lot of money by digging one yourself. Septic tanks last from 15 to 30 years. A septic drain field a septic tank and associated piping compose a septic system.

Building a septic drain field is time consuming but pays off in the long run.