TENNESSEE SEPTIC SYSTEMS INSTALLATION
CERTIFICATION EVALUATION 2026
COMPLETE REVIEW GRADED A+
⩥ Department.
Answer: means the Department of Environment and Conservation.
⩥ Disposal Field.
Answer: means the part of a subsurface sewage disposal system that
utilizes the soil for absorption and treatment of septic tank effluent.
⩥ Domestic Septage.
Answer: means either liquid or solid material removed from a septic
tank, cesspool, portable toilet, Type III marine sanitation device, or
similar treatment works that receive only domestic sewage. Domestic
septage does not include liquid or solid material removed from a septic
tank, cesspool or similar treatment works that receives either
commercial wastewater or industrial wastewater and does not include
grease removed from a grease trap at a restaurant.
⩥ Dosing Chamber.
Answer: means a watertight receptacle which houses a sewage effluent
pump or siphon and stores sewage effluent from a septic tank until it is
pumped or dosed to a disposal field.
,⩥ Drip Emitters.
Answer: means a flow control device that is typically attached to the
inside wall of drip line which allows the discharge of water at a
predictable rate for a given pressure.
⩥ Drip Line.
Answer: means polyethylene tubing that has been certified for
wastewater use that incorporates uniformly spaced drip emitters along its
length.
⩥ Effluent Filter.
Answer: means an effluent treatment device installed on the outlet of a
septic tank or dosing tank, which is designed to prevent the passage of
large suspended matter.
⩥ Filled Land.
Answer: means areas to which more than two (2) feet of soil and/or
debris have been added.
⩥ Fragipan.
Answer: means natural subsurface horizon with high bulk density and/or
high mechanical strength relative to the solum above, seemingly
cemented when dry, but when moist showing a moderate to weak
brittleness.
, ⩥ Graded Land.
Answer: means areas from which soil has been removed and the
remaining soil cannot be classified in any soil series.
⩥ Grease.
Answer: means animal fats or vegetable oils (resulting from food
preparation) which are discharged to a sewage disposal system or
accumulated in collection devices or traps that are associated with
sewage disposal systems, conduits, sewers, plumbing fixtures and
attachments. However, this definition shall exclude petroleum products,
lubricants, silicones and greases of mineral or synthetic origin.
⩥ Grease Trap.
Answer: means a device designed to intercept and retain grease present
in sewage or other wastewater.
⩥ Gullied Land.
Answer: means areas where gullies occupy nearly all of the surface area.
Areas in which gullies occur within spatial intervals of less than one
hundred (100) feet shall be classified as a soil gullied land complex.
Gullies of more than one hundred (100) feet spatial intervals shall be
located on the soil maps with the designated symbols.
⩥ Gully.
CERTIFICATION EVALUATION 2026
COMPLETE REVIEW GRADED A+
⩥ Department.
Answer: means the Department of Environment and Conservation.
⩥ Disposal Field.
Answer: means the part of a subsurface sewage disposal system that
utilizes the soil for absorption and treatment of septic tank effluent.
⩥ Domestic Septage.
Answer: means either liquid or solid material removed from a septic
tank, cesspool, portable toilet, Type III marine sanitation device, or
similar treatment works that receive only domestic sewage. Domestic
septage does not include liquid or solid material removed from a septic
tank, cesspool or similar treatment works that receives either
commercial wastewater or industrial wastewater and does not include
grease removed from a grease trap at a restaurant.
⩥ Dosing Chamber.
Answer: means a watertight receptacle which houses a sewage effluent
pump or siphon and stores sewage effluent from a septic tank until it is
pumped or dosed to a disposal field.
,⩥ Drip Emitters.
Answer: means a flow control device that is typically attached to the
inside wall of drip line which allows the discharge of water at a
predictable rate for a given pressure.
⩥ Drip Line.
Answer: means polyethylene tubing that has been certified for
wastewater use that incorporates uniformly spaced drip emitters along its
length.
⩥ Effluent Filter.
Answer: means an effluent treatment device installed on the outlet of a
septic tank or dosing tank, which is designed to prevent the passage of
large suspended matter.
⩥ Filled Land.
Answer: means areas to which more than two (2) feet of soil and/or
debris have been added.
⩥ Fragipan.
Answer: means natural subsurface horizon with high bulk density and/or
high mechanical strength relative to the solum above, seemingly
cemented when dry, but when moist showing a moderate to weak
brittleness.
, ⩥ Graded Land.
Answer: means areas from which soil has been removed and the
remaining soil cannot be classified in any soil series.
⩥ Grease.
Answer: means animal fats or vegetable oils (resulting from food
preparation) which are discharged to a sewage disposal system or
accumulated in collection devices or traps that are associated with
sewage disposal systems, conduits, sewers, plumbing fixtures and
attachments. However, this definition shall exclude petroleum products,
lubricants, silicones and greases of mineral or synthetic origin.
⩥ Grease Trap.
Answer: means a device designed to intercept and retain grease present
in sewage or other wastewater.
⩥ Gullied Land.
Answer: means areas where gullies occupy nearly all of the surface area.
Areas in which gullies occur within spatial intervals of less than one
hundred (100) feet shall be classified as a soil gullied land complex.
Gullies of more than one hundred (100) feet spatial intervals shall be
located on the soil maps with the designated symbols.
⩥ Gully.
