Georgia Commercial Contractor Septic EXAM
QUESTIONS AND VERIFIED CORRECT ANSWERS
LATEST 2026-2027 NEW VERSION
The treatment capacity for all septic tanks shall be sized for what volume? -
answer>>>The daily (24 hour) peak volume of the facility being served.
Inlet and Outlet T's are required to meet what specifications? - answer>>>4" , PVC,
ASTM 3034 Rated
How far into the liquid depth of the septic tank shall T's extend? -
answer>>>Minimum of 25% and Maximum of 50%.
How much lower must the invert of the Outlet Tee be compared to the invert of the
Inlet Tee? - answer>>>2 Inches
True or False. Outlet Tees must be effluent filter? - answer>>>True - Effluent filter is
required and must be designed to handle both the daily flow volume and
wastewater characteristics.
How many compartments must a Septic Tank have? - answer>>>2
What is the length to width ratio required for septic tanks? - answer>>>Length must
be 1.5 times the width.
Where shall tank partitions be located inside the tank? - answer>>>At least 2/3rds
but not more than 3/4ths of the length of the tank from the inlet end.
What is the maximum liquid depth for a larger poured in place tank? - answer>>>66
Inches
, -
What are the requirements for the pass through hole or slot in the partition of the
septic tank? - answer>>>Shall be equal or greater than the diameter of the inlet pipe
and be positioned a minimum of 25% to a maximum of 25% of the total liquid depth.
Minimum 28 day comprehensive strength of poured in place or pre-cast cement
tanks? - answer>>>4000 pounds per square inch.
What are the reinforcing requirements for the walls and base of a poured in place
septic tank? - answer>>>Minimum 6" x 6" No. 10 gage welded steel reinforcing wire
or fibrous reinforcing material conforming to ASTM specifications for such materials.
What are the reinforcing requirements for Tank Lids? - answer>>>3/8th Inch steel
reinforcing rods (rebar) spaced 12" on center each way extending a minimum of 2.5"
and a maximum of 3" from outside edge of tank lid.
What is the setback for a Septic Tank from a proposed or existing Well? -
answer>>>50 Ft
What is the setback for a Septic Tank from a spring, sink hole or suction line (water
supply)? - answer>>>50 Ft
What is the setback for a Septic Tank from a Lake, Pond, Stream, Water course, or
other impoundment? - answer>>>25 Ft
What is the setback for a Septic Tank from pressurized water lines? - answer>>>10 Ft
What is the setback for a Septic Tank from property lines? - answer>>>10 Ft
QUESTIONS AND VERIFIED CORRECT ANSWERS
LATEST 2026-2027 NEW VERSION
The treatment capacity for all septic tanks shall be sized for what volume? -
answer>>>The daily (24 hour) peak volume of the facility being served.
Inlet and Outlet T's are required to meet what specifications? - answer>>>4" , PVC,
ASTM 3034 Rated
How far into the liquid depth of the septic tank shall T's extend? -
answer>>>Minimum of 25% and Maximum of 50%.
How much lower must the invert of the Outlet Tee be compared to the invert of the
Inlet Tee? - answer>>>2 Inches
True or False. Outlet Tees must be effluent filter? - answer>>>True - Effluent filter is
required and must be designed to handle both the daily flow volume and
wastewater characteristics.
How many compartments must a Septic Tank have? - answer>>>2
What is the length to width ratio required for septic tanks? - answer>>>Length must
be 1.5 times the width.
Where shall tank partitions be located inside the tank? - answer>>>At least 2/3rds
but not more than 3/4ths of the length of the tank from the inlet end.
What is the maximum liquid depth for a larger poured in place tank? - answer>>>66
Inches
, -
What are the requirements for the pass through hole or slot in the partition of the
septic tank? - answer>>>Shall be equal or greater than the diameter of the inlet pipe
and be positioned a minimum of 25% to a maximum of 25% of the total liquid depth.
Minimum 28 day comprehensive strength of poured in place or pre-cast cement
tanks? - answer>>>4000 pounds per square inch.
What are the reinforcing requirements for the walls and base of a poured in place
septic tank? - answer>>>Minimum 6" x 6" No. 10 gage welded steel reinforcing wire
or fibrous reinforcing material conforming to ASTM specifications for such materials.
What are the reinforcing requirements for Tank Lids? - answer>>>3/8th Inch steel
reinforcing rods (rebar) spaced 12" on center each way extending a minimum of 2.5"
and a maximum of 3" from outside edge of tank lid.
What is the setback for a Septic Tank from a proposed or existing Well? -
answer>>>50 Ft
What is the setback for a Septic Tank from a spring, sink hole or suction line (water
supply)? - answer>>>50 Ft
What is the setback for a Septic Tank from a Lake, Pond, Stream, Water course, or
other impoundment? - answer>>>25 Ft
What is the setback for a Septic Tank from pressurized water lines? - answer>>>10 Ft
What is the setback for a Septic Tank from property lines? - answer>>>10 Ft
