Definition
Alternative term for drain field in septic systems where treated wastewater is absorbed into soil. Absorption field size depends on soil capacity and system design.
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Absorption field disperses and treats septic effluent through soil percolation. Soil absorption capacity determines field size and system capacity. Suitable soils include sands and sandy loams. Clay soils require alternative systems. Groundwater and bedrock depth affect design. Professional soil assessment determines feasibility. Failure results in system backup and surface seepage. Repair or replacement is costly. Maintenance includes regular pumping and water conservation. Long-term success depends on protection and monitoring.
Pro Tip
Soil percolation testing is essential for accurate septic system design.
Example
Absorption field design was enlarged due to slow soil percolation rates.