The septic tank effluent is allowed to flow to the drainfield by gravity or is dosed by pump or siphon. The effluent enters the soil and is treated as it percolates to the groundwater. The soil acts as biological filter to remove nearly all harmful substances including disease-causing bacteria and viruses, toxic organics and other undesirable wastewater constituents remaining in the septic tank effluent.
STEP (septic tank effluent pumping)
Grinder Pumps & Small Lift Stations
Pumps up to 7Â½ hp, 4” discharge
Orenco, Hydromatic, Grundfos, Others
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