SEPTIC LICENSE EXAM VERSION 2 NEWEST 2025/2026
COMPLETE ALL QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED A+!!!!.
SEPTIC LICENSE
How many days prior to the the desired inspection date should you make your
appointment - - ANS - -2 working days
What must happen before covering all or any of the sewage disposal system - - ANS -
-Must be inspected and approved
What has to happen with roof and surface water - - ANS - -Must be directed away or
downslope from sewage disposal system by footing or foundation floor drains or
surface diversion ditches
What must be done to all pipe joints including those in the drain field - - ANS - -Glued
and watertight
How much fall should there be on all parts of the building sewer - - ANS - -1/8 inch
per foot
Elbows or bends should be no greater than ____ - - ANS - -45 degrees, 90 degree
sweeps may be used
, What is the rating needed for solid pipe under driving,parking, or any vehicle
encroaching areas - - ANS - -ASTM- 3034 crush rating, or enclosed in a pipe that
does meet it
Who is the doe - - ANS - -Department of ecology
What department criteria do you follow for sewage that crosses over waterline - -
ANS - -Department of Ecology (DOE)
All On-site septic systems should be watertight except for the ______ - - ANS - -
Dispersal component
Septic tanks should be _____. And on what kind of soil - - ANS - -Level, and on
undisturbed soil, or by manufacture standards if other than concrete tank
If grade is dug to deep what should happen - - ANS - -Sand should be added for
proper bedding back to correct grade
All connections at tank should be _________ - - ANS - -Watertight
Tanks should be accessible at grade unless ___ - - ANS - -A Marker is placed at grade
How far down should the top of the tank be from finished grade - - ANS - -6 inches
What is an effluent filter - - ANS - -Placed in the outlet end of the septic tank and
assist in catching non Degradable materials before they go into your drain field
COMPLETE ALL QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED A+!!!!.
SEPTIC LICENSE
How many days prior to the the desired inspection date should you make your
appointment - - ANS - -2 working days
What must happen before covering all or any of the sewage disposal system - - ANS -
-Must be inspected and approved
What has to happen with roof and surface water - - ANS - -Must be directed away or
downslope from sewage disposal system by footing or foundation floor drains or
surface diversion ditches
What must be done to all pipe joints including those in the drain field - - ANS - -Glued
and watertight
How much fall should there be on all parts of the building sewer - - ANS - -1/8 inch
per foot
Elbows or bends should be no greater than ____ - - ANS - -45 degrees, 90 degree
sweeps may be used
, What is the rating needed for solid pipe under driving,parking, or any vehicle
encroaching areas - - ANS - -ASTM- 3034 crush rating, or enclosed in a pipe that
does meet it
Who is the doe - - ANS - -Department of ecology
What department criteria do you follow for sewage that crosses over waterline - -
ANS - -Department of Ecology (DOE)
All On-site septic systems should be watertight except for the ______ - - ANS - -
Dispersal component
Septic tanks should be _____. And on what kind of soil - - ANS - -Level, and on
undisturbed soil, or by manufacture standards if other than concrete tank
If grade is dug to deep what should happen - - ANS - -Sand should be added for
proper bedding back to correct grade
All connections at tank should be _________ - - ANS - -Watertight
Tanks should be accessible at grade unless ___ - - ANS - -A Marker is placed at grade
How far down should the top of the tank be from finished grade - - ANS - -6 inches
What is an effluent filter - - ANS - -Placed in the outlet end of the septic tank and
assist in catching non Degradable materials before they go into your drain field
