GA SEPTIC INSTALLER EXAM
QUESTIONS AND ANSWERS 2026
VERIFIED.
Aggregate - ANS Washed gravel or washed stone meeting DOT standards that shall be
between 1/2inch to 2inches in diameter
Black water - ANS Waste water that comes in direct contact with human excreta
Percolation coefficient - ANS Ratio of trench bottom area to percolation time expressed as
the allowable rate of sewage application in gallons per square foot per day.
Percolation rate - ANS Minutes per inch, required for water to seep into saturated soil at a
constant rate
Distribution device - ANS Watertight structure which receives sewage effluent from a septic
tank, dosing tank or other sewage retention device and distributes it in equal portions to two or
more absorption lines
Can you begin the physical development of a lot or structure where an on site sewage
management system will be used without first having obtained a permit from the county board
of health a construction permit for the installation of an on site sewage management system? -
ANS No
@2026/2027 ALLRIGHTS RESERVED.
,How many days does the county board of health have to approve a construction permit for
septic? - ANS 20days
If a public water supply system is to be used which permit needs to be acquired first? Public
water or construction permit for sewage - ANS Public water needs to be approved first
How long do on site sewage management construction permits remain valid? -
ANS 12months
What is the maximum percolation rate on tracts or parcels of land of three acres or more? -
ANS 120minutes per inch
How do you overcome a percolation rate greater than 120min/inch on a tract or parcel of land
less than three acres - ANS Include in the application a special soil study by the soil classifier
and a site plan from an engineer licensed in the state
When are you allowed to backfill your septic system - ANS When you've received your
written final inspection
A conventional or chamber septic tank system must have a septic tank design capacity between
what and what? - ANS 1000gallons and 10000gallons
What must be additionally done if a proposed sewage system is too produce a sewage flow in
excess of 2000gallons per day? - ANS Then the plans, specifications, soil data, and absorption
test data shall be submitted to the county board of health for the purpose of obtaining a
construction permit. The information shall also bear the seal of a licensed engineer
@2026/2027 ALLRIGHTS RESERVED.
, Beginning at the house what size piping shall be used in all sewer fittings? - ANS Schedule 40
pvc minimum with a minimum of 4inch diameter
How many ft does a septic tank have to be installed away from wells, springs, sink holes and
suction water lines? - ANS 50ft
How many ft away does a septic tank need to be installed from geothermal boreholes, lakes,
ponds, streams, water courses and other impoundments? - ANS 25ft
How close can you install a septic tank to a property line or pressure water supply lines? -
ANS 10ft
How far must a septic tank be installed from a drainage ditch or embarkment? - ANS 15ft
How far should septic tanks be from hardscapes, drives, swimming pools and building
foundations? - ANS 10ft
What is the liquid capacity of a septic tank for single family dwellings for one, two, 3 or 4
bedrooms? What about 5rooms? What about a garbage grinder? - ANS 1000gallons with
250gallons extra per extra bedroom and 50% greater if a garbage grinder is used!
Compartmented tanks shall be what size the liquid capacity of the tank? - ANS 2/3rds the
liquid capacity
If tanks are placed in series what size shall the liquid capacity of the first tank be? - ANS At
least 1000gallons and should be 2/3 of the required liquid capacity
What is the recommended minimum earth cover over a tank? - ANS 6 inches
@2026/2027 ALLRIGHTS RESERVED.
QUESTIONS AND ANSWERS 2026
VERIFIED.
Aggregate - ANS Washed gravel or washed stone meeting DOT standards that shall be
between 1/2inch to 2inches in diameter
Black water - ANS Waste water that comes in direct contact with human excreta
Percolation coefficient - ANS Ratio of trench bottom area to percolation time expressed as
the allowable rate of sewage application in gallons per square foot per day.
Percolation rate - ANS Minutes per inch, required for water to seep into saturated soil at a
constant rate
Distribution device - ANS Watertight structure which receives sewage effluent from a septic
tank, dosing tank or other sewage retention device and distributes it in equal portions to two or
more absorption lines
Can you begin the physical development of a lot or structure where an on site sewage
management system will be used without first having obtained a permit from the county board
of health a construction permit for the installation of an on site sewage management system? -
ANS No
@2026/2027 ALLRIGHTS RESERVED.
,How many days does the county board of health have to approve a construction permit for
septic? - ANS 20days
If a public water supply system is to be used which permit needs to be acquired first? Public
water or construction permit for sewage - ANS Public water needs to be approved first
How long do on site sewage management construction permits remain valid? -
ANS 12months
What is the maximum percolation rate on tracts or parcels of land of three acres or more? -
ANS 120minutes per inch
How do you overcome a percolation rate greater than 120min/inch on a tract or parcel of land
less than three acres - ANS Include in the application a special soil study by the soil classifier
and a site plan from an engineer licensed in the state
When are you allowed to backfill your septic system - ANS When you've received your
written final inspection
A conventional or chamber septic tank system must have a septic tank design capacity between
what and what? - ANS 1000gallons and 10000gallons
What must be additionally done if a proposed sewage system is too produce a sewage flow in
excess of 2000gallons per day? - ANS Then the plans, specifications, soil data, and absorption
test data shall be submitted to the county board of health for the purpose of obtaining a
construction permit. The information shall also bear the seal of a licensed engineer
@2026/2027 ALLRIGHTS RESERVED.
, Beginning at the house what size piping shall be used in all sewer fittings? - ANS Schedule 40
pvc minimum with a minimum of 4inch diameter
How many ft does a septic tank have to be installed away from wells, springs, sink holes and
suction water lines? - ANS 50ft
How many ft away does a septic tank need to be installed from geothermal boreholes, lakes,
ponds, streams, water courses and other impoundments? - ANS 25ft
How close can you install a septic tank to a property line or pressure water supply lines? -
ANS 10ft
How far must a septic tank be installed from a drainage ditch or embarkment? - ANS 15ft
How far should septic tanks be from hardscapes, drives, swimming pools and building
foundations? - ANS 10ft
What is the liquid capacity of a septic tank for single family dwellings for one, two, 3 or 4
bedrooms? What about 5rooms? What about a garbage grinder? - ANS 1000gallons with
250gallons extra per extra bedroom and 50% greater if a garbage grinder is used!
Compartmented tanks shall be what size the liquid capacity of the tank? - ANS 2/3rds the
liquid capacity
If tanks are placed in series what size shall the liquid capacity of the first tank be? - ANS At
least 1000gallons and should be 2/3 of the required liquid capacity
What is the recommended minimum earth cover over a tank? - ANS 6 inches
@2026/2027 ALLRIGHTS RESERVED.
