Septic License Exam || Most Recent Exam 2026-2027 Actual
Complete Real Exam Questions And Correct Answers
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when constructing an evaporation/absorption lagoon where
berm walls should be keyed into original soil at least 1 foot
deep + 2 foot wide at base – ANSWER- true
drip irrigation is experimental onsite sewage disposable
system option -
ANSWER -
false
reduction of lateral footage for 16 foot wide
gravel bed a. 55%
b. same as leeching chambers
c. same as 12 foot wide gravel bed
d. 32% - ANSWER -c. same as 12 foot wide gravel bed
holding tanks required to have alarm to trigger when
tank is how full?
a. 95%
b. 90%
c.
85%
d. 75% - ANSWER -c.
85%
,1.6 gallon or less flush commodes are required on facilities
that use holding
tanks - ANSWER –
true
dosing tanks are required to have separate electrical circuits for
pump + alarm -
ANSWER –
true
mercury flow switches not allowed to be used on dosing
pumps - ANSWER -
False
when alternating lateral fields are installed what percentage
of lateral field
should be installed on each side of
alternating valve?
a. 60% on one side + 40%
other
b. 100% with other side capped off for
later repairs
c. no set % for
side
d. 50% on each - ANSWER -d. 50%
on each
, on sites where curtain drains are needed, the curtain drain
must be installed to
obtain final system approval -
ANSWER -true
your shipment of trench rock has just been delivered on site.
inspection of rock reveals fine material is mixed in with it.
what do you do? a. send load back to quarry
b. wash rock prior to installation to remove fine material
c. install gravel in trenches + wash
d. install rock without washing
e. either a or b - ANSWER -e. either a or b
a. send load back to quarry
b. wash rock prior to instillation to remove fine material
what is not considered gray water? laundry, hand wash
sink, shower, bathtubs, laundry tubs, food prep sink,
kitchen sink - ANSWER -food prep sink + kitchen sink
slopes greater than 15% may be unstable when on-site
sewage disposable
systems installed on them unless special designs
modifications made -
ANSWER -
true
what natural process removes most of sewage effluent from
lateral trench?
Complete Real Exam Questions And Correct Answers
(Verified Answers) Already Graded A+ | Guaranteed
Success!! Newest Exam | Just Released!!
when constructing an evaporation/absorption lagoon where
berm walls should be keyed into original soil at least 1 foot
deep + 2 foot wide at base – ANSWER- true
drip irrigation is experimental onsite sewage disposable
system option -
ANSWER -
false
reduction of lateral footage for 16 foot wide
gravel bed a. 55%
b. same as leeching chambers
c. same as 12 foot wide gravel bed
d. 32% - ANSWER -c. same as 12 foot wide gravel bed
holding tanks required to have alarm to trigger when
tank is how full?
a. 95%
b. 90%
c.
85%
d. 75% - ANSWER -c.
85%
,1.6 gallon or less flush commodes are required on facilities
that use holding
tanks - ANSWER –
true
dosing tanks are required to have separate electrical circuits for
pump + alarm -
ANSWER –
true
mercury flow switches not allowed to be used on dosing
pumps - ANSWER -
False
when alternating lateral fields are installed what percentage
of lateral field
should be installed on each side of
alternating valve?
a. 60% on one side + 40%
other
b. 100% with other side capped off for
later repairs
c. no set % for
side
d. 50% on each - ANSWER -d. 50%
on each
, on sites where curtain drains are needed, the curtain drain
must be installed to
obtain final system approval -
ANSWER -true
your shipment of trench rock has just been delivered on site.
inspection of rock reveals fine material is mixed in with it.
what do you do? a. send load back to quarry
b. wash rock prior to installation to remove fine material
c. install gravel in trenches + wash
d. install rock without washing
e. either a or b - ANSWER -e. either a or b
a. send load back to quarry
b. wash rock prior to instillation to remove fine material
what is not considered gray water? laundry, hand wash
sink, shower, bathtubs, laundry tubs, food prep sink,
kitchen sink - ANSWER -food prep sink + kitchen sink
slopes greater than 15% may be unstable when on-site
sewage disposable
systems installed on them unless special designs
modifications made -
ANSWER -
true
what natural process removes most of sewage effluent from
lateral trench?
