What is the purpose of the drainfield?

Waste water is passed to the drainfleld via the distribution box. The drainfleld usually contains a series of perforated pipes that lay in a bed of rock. Under the rock layer is a membrane. The waste water is distributed through the pipes into the field. A biomat or slime forms around the laterals, most aerobic digestion and filtration takes place in this biomat. After passing through the biomat, the waste water enters the soil where aerobic digestion continues to remove any remaining impurities. Pure water is then returned to the water table.

  • Don’t Overload the Septic Tank and Drainfield
  • Check faucets and toilets for leaks; make repairs if necessary.
  • Use aerators on faucets and flow reducer nozzles on showers to help lower water consumption.
  • Reduce water levels for small loads of laundry.
  • Wait until the dishwasher is full to run it.
  • Use a displacer to reduce the amount of water needed to flush the toilet.

Do Not Pour Grease Down the Drain

  • Grease can clog the septic drainfield, making it impossible for soil to absorb liquids. If that happens you’ll need a new drainfield.

Protect the System from Damage

  • Do not drive over the drainfield, build a structure on top of it, or cover it with concrete or asphalt.
  • Do plant grass on the drainfield to minimize soil erosion.

Tuesday, March 2nd, 2010 • Waste Water

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