Groundwater disposal

Wastewater that is disposed of through the ground either by injection or seepage. This includes the following discharge methods; absorption beds, injection wells, drainfields, percolation ponds, rapid infiltration basins, spray fields, and land application systems. Land application systems or reuse systems are considered a ground-water disposal as treated wastewater used to irrigate is generally intended to filter down through the soil.


Source: Corrosion-Doctors.org