From there, the liquids spill out into the leach field —a series of perforated pipes that spread the waste out into the ground. But as amazing as septic tanks are, they’re also sensitive.

The liquid flows down into the drain field, which is made up of pipes with holes buried in gravel or sandy trenches. In the drain field, the liquid spreads out into the soil.

Maintaining a septic system means keeping an eye out for issues and having the tank pumped when needed. Septic systems treat ...

This field is often left unused to prevent damage to the system, but there are a variety of things you can (and can’t) put on your septic field.

There’s lots of oxygen and small organisms in the sand. These work in tandem to purify the wastewater that drips out of the leach field pipes. It’s a simple system that’s time-tested.

A leach field is almost always a network of pipes where the wastewater is distributed to a very well-drained soil that’s very sandy. The water seeps out of holes in the pipes and enters the ...

He has designed enviro septics, but says his system of choice is a traditional leach field with stone and pipe in a trench. "It is more forgiving if not properly maintained, and will last 25 years ...