SEPTIC LICENSE EXAMINATION TEST 2026
QUESTIONS WITH ANSWERS GRADED A+
◉ All tanks whether pre-manufactured or constructed on site shall be
constructed so that the length is ___________ compared to the width.
Answer: at least one and one- half (1 1/2) times... "to the width."
◉ Septic Tanks may be made of: Answer: Concrete, Plastic, fiberglass,
or other materials as approved by the department.
◉ Tank compartment partitions will be located: Answer: Not less than
two-thirds or more than three-fourths the Length of the tank from the
Inlet end.
◉ Compartment partitions will be constructed so a pass-thru hole or slot
equal to or greater than the diameter of the inlet pipe is positioned below
the liquid surface with a _____________________________. Answer:
Minimum 25% to a maximum of 50% of the total liquid depth.
◉ Total liquid depth for larger poured-in-place tanks shall have a
maximum of ______________inches Answer: 66 inches
, ◉ True or False: Walls and bottom of poured-in-place septic tanks must
be reinforced. Answer: True
◉ How can a Septic tank be reinforced? Answer: six inch by 6 inch
(6"x6") No.10 gage welded steel reinforcing wire OR fibrous reinforcing
material conforming to ASTM specifications for such materials.
◉ How must Tank Lids be Reinforced? Answer: using three-eights steel
reinforcing rods (rebar) which shall be spaced twelve inches (12") on
center each way extending a minimum of two and one half (2 1/2")
inches and a maximum of three (3") from the outside edge of the tank
lid.
◉ In general, the tank must be able to withstand a uniform live load of
______________________ pounds per square foot in addition to all
loads to which an underground tank is normally subjected. Answer: 150
◉ True or False: Walls, bottoms, and lids of poured-in-place septic tanks
should have a minimum thickness of four inches (4"). Answer: True
◉ Tank lids shall be constructed in ______________________ pieces
and shall have securable, removable access openings located so that the
inlet and outlet tees can be ________________________________.
Answer: one or two,
readily accessed.
QUESTIONS WITH ANSWERS GRADED A+
◉ All tanks whether pre-manufactured or constructed on site shall be
constructed so that the length is ___________ compared to the width.
Answer: at least one and one- half (1 1/2) times... "to the width."
◉ Septic Tanks may be made of: Answer: Concrete, Plastic, fiberglass,
or other materials as approved by the department.
◉ Tank compartment partitions will be located: Answer: Not less than
two-thirds or more than three-fourths the Length of the tank from the
Inlet end.
◉ Compartment partitions will be constructed so a pass-thru hole or slot
equal to or greater than the diameter of the inlet pipe is positioned below
the liquid surface with a _____________________________. Answer:
Minimum 25% to a maximum of 50% of the total liquid depth.
◉ Total liquid depth for larger poured-in-place tanks shall have a
maximum of ______________inches Answer: 66 inches
, ◉ True or False: Walls and bottom of poured-in-place septic tanks must
be reinforced. Answer: True
◉ How can a Septic tank be reinforced? Answer: six inch by 6 inch
(6"x6") No.10 gage welded steel reinforcing wire OR fibrous reinforcing
material conforming to ASTM specifications for such materials.
◉ How must Tank Lids be Reinforced? Answer: using three-eights steel
reinforcing rods (rebar) which shall be spaced twelve inches (12") on
center each way extending a minimum of two and one half (2 1/2")
inches and a maximum of three (3") from the outside edge of the tank
lid.
◉ In general, the tank must be able to withstand a uniform live load of
______________________ pounds per square foot in addition to all
loads to which an underground tank is normally subjected. Answer: 150
◉ True or False: Walls, bottoms, and lids of poured-in-place septic tanks
should have a minimum thickness of four inches (4"). Answer: True
◉ Tank lids shall be constructed in ______________________ pieces
and shall have securable, removable access openings located so that the
inlet and outlet tees can be ________________________________.
Answer: one or two,
readily accessed.
