New Jersey Licensed Septic System Installer Exam
2026/2027 ACTUAL QUESTIONS AND ANSWERS
LATEST VERSION
Tanks may have a single compartment or if a partition is
used it must have
_______________________________________ located
no more than ________inches above the tank bottom. -
ANSWER-2 four inch diameter holes or equivalent,
12 inches
Dosing tanks using PUMPS must have a reserve capacity
of _______________ flow. - ANSWER-One days
,True or False: Dosing tanks for SIPHONS will not be
required to have one days flow reserved. - ANSWER-True
True or False: All tanks must have an operating liquid
capacity of 60%-70% the interior volume of the absorption
lines to be dosed. - ANSWER-True
All dosing tanks shall have switches and alarms that notify
the owner of _____________________. - ANSWER-
malfunction.
When determining dosing tank requirements
_____________, _________________,
_________________, and ____________________
, should be taken into consideration. - ANSWER-volume,
flow rates, waste water characteristics, and other similar
information
True or False: Large capacity dosing tanks will need to be
constructed on site. - ANSWER-True
Dosing tanks shall have a water-tight access cover at least
____________ inches in diameter extending to the ground
or no more than ______________ inches below the
ground surface. - ANSWER-24 inches,
12 inches
2026/2027 ACTUAL QUESTIONS AND ANSWERS
LATEST VERSION
Tanks may have a single compartment or if a partition is
used it must have
_______________________________________ located
no more than ________inches above the tank bottom. -
ANSWER-2 four inch diameter holes or equivalent,
12 inches
Dosing tanks using PUMPS must have a reserve capacity
of _______________ flow. - ANSWER-One days
,True or False: Dosing tanks for SIPHONS will not be
required to have one days flow reserved. - ANSWER-True
True or False: All tanks must have an operating liquid
capacity of 60%-70% the interior volume of the absorption
lines to be dosed. - ANSWER-True
All dosing tanks shall have switches and alarms that notify
the owner of _____________________. - ANSWER-
malfunction.
When determining dosing tank requirements
_____________, _________________,
_________________, and ____________________
, should be taken into consideration. - ANSWER-volume,
flow rates, waste water characteristics, and other similar
information
True or False: Large capacity dosing tanks will need to be
constructed on site. - ANSWER-True
Dosing tanks shall have a water-tight access cover at least
____________ inches in diameter extending to the ground
or no more than ______________ inches below the
ground surface. - ANSWER-24 inches,
12 inches
