transitive. 1  To reverse the winding or twisting of: unwind a ball of yarn. 2  To separate the tangled parts of; disentangle. 3  To free (someone) of nervous tension or pent-up energy.
A leach field is an important part of a septic system. It disperses fluid from the septic system over a large area of soil adjacent to the building it services.he distribution box has another pipe that leads to the leach field. From this pipe, you will dig the trenches. Decide where to dig your trenches. You will need to dig three trenches, each about 12 inches wide and 20 feet long.
If you live out in the country, you might rely on a septic system to process plumbing waste from your home. The leach field is the final destination of water released from your toilets and drains, and when the system is functioning as it should, the water percolates into the soil and disperses.ewage Backups. When the leach field becomes too full to absorb water from the tank, that water has no place to go except back into the plumbing in your house. It may also overflow from the tank and create puddles in that part of the yard.