|Effluent: Wastewater that flows out of a septic tank.
Effluent Baffle: A tubular device that is open at the bottom and top with a leg that is attached at the outlet of a septic tank. This is normally made of PVC or fiberglass that is designed to prevent surging.
Effluent Filter: A housing chamber that is normally made of plastic and located at the outlet of a septic tank. It contains small holes that let liquid drain while preventing the passing of solids.
Effluent Pump: A pump that is used to transport liquid effluent from a pumping chamber to a distribution component.
Gray Water: Water that does not contain human waste but is formed from bathing, laundry, or other household facilities.
Influent: Untreated sewage that flows into a septic tank.
Leach Field: Also known as distribution field.
Passive System: A septic system that functions without the use of external energy or mechanical parts
Seepage Pit: Also known as dry well.
Septic: Decomposing or lacking oxygen
Septic Tank: A tank or chamber made of concrete, plastic, steel, or fiberglass that is used in a septic system to collect influent and contain solid matter of flowing sewage.
Septic Tank Riser: A component of the septic tank that is used to raise the septic tank cover to ground level or higher to perform septic tank maintenance and inspection.
Settling Chamber: A container made of steel, plastic, concrete, or fiberglass that is used to slow the rate of effluent so that solids can precipitate from the effluent.
Sludge Layer: The bottom layer of matter in a septic tank that is composed of solids and is heavier than water.
System Failure: A condition that occurs when a distribution field becomes saturated and effluent flows out onto the ground above.
Treatment Chamber: A large volumetric container that is normally made of steel, concrete, fiberglass, or plastic that is used to hold sewage for biochemical processing.
Vent Pipe: A vertical pipe that can be made of plastic, cast iron, steel, or clay and is connected to a septic system to allow air to flow out to the atmosphere.
Vented Cover: A cover that has an attached vent pipe or opening.