Diagram Septic Tank Drain Field Layout

The size necessary for your drain field will depend on a few factors.

Diagram septic tank drain field layout. With this design effluent is piped from the septic tank to a shallow underground trench of stone or gravel. An improperly designed drain field will do nothing but cause huge problems with the entire system. Leach field or soakaway field size requirements for these septic system designs. Gravel less drain fields have been widely used for over 30 years in many states becoming a conventional septic system technology replacing gravel systems.

Septic system images and sketches useful in understanding testing diagnosis pumping repair design defects alternatives inspection methods defects in onsite waste disposal systems septic tank problems septic drainfield problems checklists of system components and things to ask septic system maintenance and pumping schedules. A septic drain field is a vital part of any septic system. Trench line specs detailed specifications leach fields gravelless systems deep trench systems shallow trench systems cut and fill systems absorption bed systems. Design guide for septic drainfields.

The name refers to the construction of the drainfield. Step 1 determine the size. Field size dimensions depth layout suggestions. The gravel stone drainfield is a design that has existed for decades.

The home s sewer line drain pipe needs to slope 1 4 inch per foot downhill to the inlet side of the septic tank and the outlet pipe needs to flow downhill at least 1 8 inch per foot downhill to the leach field where the septic tank effluent enters a manifold or distribution d box. Gravel stone design drain fields are relatively larger and thus may not be suitable for all residential sites or conditions.