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Exam (elaborations)

Septic Installer Exam – Study Guide, Practice Questions & Licensing Exam Prep 2026–2027

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Prepare for the Septic Installer Exam with this study guide and practice question resource designed to support learning about septic system installation and onsite wastewater treatment. Review important concepts that may include site assessment and soil analysis, percolation testing, septic tank components, drainfield and soil absorption systems, wastewater distribution, pipe placement, system sizing principles, installation procedures, permitting requirements, inspection standards, environmental protection, groundwater safety, and construction site precautions. Use the practice questions to reinforce technical knowledge, review key terminology, and identify areas that need additional study before your licensing or certification exam. This resource is suitable for aspiring septic installers, wastewater professionals, and construction trades candidates preparing for relevant examinations. Since requirements and regulations vary by state and certifying body, consult the applicable official exam outline and current local codes when preparing for your test.

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Septic Installer Exam | Study Guide & Practice Questions

Georgia Department of Human Resources All septic tank contractors must be certified by the
__________________________________



1) solid material The soil serves to clean wastewater by filtering out particulates, that is
2) bacteria ______(1)________, plus removing ______(2)________ & ______(3)_______.
3) viruses


drinking water A properly designed and installed system will adequately treat and dispose of
watstewater, and will ensure the protection of our __________ resources for future
generations.


1) Environmental Health No person may begin the physical development of a lot or structure - where an on-
2) owner site sewage management system will be used without first obtaining a construction
3) developer permit from the _____(1)______ section of the county health department. This
process begins with the applications for a permit by the ____(2)_____ or
___(3)_____ of the property


1) facility The application for permit shall include:
2) water - The name and address of the property owner
3) bedrooms - Location of property
- Type of ____(1)_____ to be served
- Type of ___(2)____ supply
- Number of ___(3)___ and/or estimated gallons of sewage flow per day
- Soil information


two hours Any facility having occupancy for _________ or more must provide an approved on-
site sewage management system.



Pit Privies _____________ are an acceptable means of sewage disposal for a facility not
served by water under pressure.



permitted, inspected Any repairs, replacement or additions to an existing system must be ______ &
_______.



site inspection After having completed the application process, a _________ is conducted.




1) soil The inspector considers information supplied on the application;
2) absorption - including house location
3) ground water - ___(1)___ characteristics
- ___(2)___ rates
- ___(3)___ conditions
- rock conditions
- lay of the land
- bodies of water, streams and other factors which affect the suitability of the lot.


minimum The approved permit will include the ________ requirements for the septic system.




1) tank Approved minimum requirements include:
2) trench - __(1)__ size
3) depth - __(2)__ length
4) width - __(3)__ and __(4)__
- and any special conditions for the installation




Grade A+ | Updated

, Septic Installer Exam | Study Guide & Practice Questions

1) number of bedrooms Absorption field lengths are generally determined by the ___(1)___ in the home or
2) gallon per day the estimated ___(2)___ water usage



soil conditions Absorption field depths are determined by the ______ on the property.




health department If any conditions of the permit cannot be met, the ____________ must be contacted
prior to installation of the system.



1) plumbing stub out When planning the layout of the system, these should be considered.
2) slope - Location and elevation of the ___(1)___
3) property - ___(2)___ of the land
4) wells - ___(3)___ line locations
5) bodies of water - Location of __(4)__, springs, ___(5)___, streams, water supply lines, trash pits,
6) replacement area etc that may adversely affect your installation
- ___(6)___ for future absorption field.


1) 50' Setback Requirements: Wells & Springs
2) 100' -Septic tank must be a minimum of _____' from wells and springs
-Absorption fields must be a minimum of ____' from wells and springs


10' Setback Requirements: Property Lines SERVED BY PUBLIC WATER
5' - Septic tank must be a minimum of ___ from property lines.
- Absorption fields must be a minimum of ___ from property lines.


50' Setback Requirements: Property Lines SERVED BY INDIVIDUAL WELLS
- Absorption lines must be ____ from adjacent property lines unless development is
preplanned to maintain the required buffer distance between wells and on site
sewage management systems on adjacent properties.


25' Setback Requirements: from bodies of water or impoundments.
50' a minimum of ____ from septic tanks and a minimum of ____ from absorption fields



25' Setback Requirements: from streams or tributaries.
50' a minimum of ____ from septic tanks and a minimum of ____ from absorption fields



50' Setback Requirements: from ponded wetlands
a minimum of ____ for absorption fields.



10' Setback Requirements: buildings with a basement shall require a septic tank and
absorption fields placement a minimum of ____ from the foundation.



5' Setback Requirements: buildings without a basement shall allow an absorption field
placement a minimum of ____ from the foundation.



15' Setback Requirements: Septic tanks must be _____ from a drainage ditch.
15' Absorption fields must be a minimum of ____ from trash pits and embankments.



10' If water supply line crosses or comes within ____ of the absorption field, the water
12" supply shall be installed at least ____ above the top of the aggregate layer of the
absorption field line and encased in a single-length larger diameter water pipe.




Grade A+ | Updated

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