OSSF Installer 2
OSSF INSTALLER 2 EXAM STUDY
GUIDE 2025
The primary threat from malfunctioning OSSF systems is -Correct Answer ✔water born
disease
Wastewater disposal and OSSF systems are regulated in order to protect -Correct
Answer ✔Public health and environment
A ______ is a disease-causing microorganism -Correct Answer ✔Pathogen
A groundwater chemical contaminant that can result from septic tanks and leachfields is
which can cause_____in infants -Correct Answer ✔Nitrates and methoemoglobinmia
Statewide regulation of OSSF began in -Correct Answer ✔1989 Sept
The state agency responsible for regulating OSSF is -Correct Answer ✔TECQ
The desired method or level of OSSF regulation in Texas is _______regulation -Correct
Answer ✔Local
pH measures whether wastewater is ______\or_________ -Correct Answer ✔Acidity
Basicity
List six diseases that might be transmitted by inadequately treated sewage . -Correct
Answer ✔Typhoid Paratyphoid Polio meningitis Hepatitis Cholera
Identify the following terms TSS DO BOD -Correct Answer ✔Total Suspended solids
Dissolved Oxygen
Biochemical oxygen demand
Identify the most common chemical elements of sewage -Correct Answer ✔Solids
Gases
Fats and greases
DO
BOD
PH
What is the criteria that can be used to determine if a subsurface OSSF system is
functioning properly ? -Correct Answer ✔The Plumbing system must drain
No Water is surfacing or pooling above ground
There are no odors
The waste water must receive nearly complete treatment
OSSF Installer 2
, OSSF Installer 2
List the soil treatment mechanisms important in treating wastewater -Correct Answer
✔filtering or straining
Adsorption
Biological
The is authorized to review permit applications , site evaluations , planning materials
and conduct inspections of OSSFs .
a . installer
b . site evaluator
c . maintenance technician
d . Designated representative -Correct Answer ✔d . Designated representative
An individual who holds a valid license from TCEQ and who is compensated by another
individual to construct install , alter , or repair an OSSF is a ( n )
a . Installer
b . apprentice
c . authorized agent
d . maintenance provider -Correct Answer ✔a . Installer
An individual who visits a site and conducts soil evaluations and a site survey is a ( n )
a . apprentice
b . Site evaluator
c . authorized agent
d . designated representative -Correct Answer ✔b . Site evaluator
_____adopted the current OSSF Rules in 1997 and revised them several times . -
Correct Answer ✔TCEQ
New OSSF licenses are issued for a term of _______.An individual must renew the
license complete _________of TCEQ approved continuing education courses in order
to -Correct Answer ✔3 years 24 hrs
an Individuals working as a _________ or in any capacity for an OSSF
__________cannot work as an installer designer for a fee , or private site evaluator
within jurisdiction of the permittinh authority -Correct Answer ✔DR and Permitting
agency
List the OSSF licenses that require previous experience -Correct Answer ✔Installer II
Maintenance provider
What is needed to pre - qualify for an exam ? -Correct Answer ✔Submit an application
Notarized experience Statements Paying class and application Fees Completing the
appropriate training Course
OSSF Installer 2
OSSF INSTALLER 2 EXAM STUDY
GUIDE 2025
The primary threat from malfunctioning OSSF systems is -Correct Answer ✔water born
disease
Wastewater disposal and OSSF systems are regulated in order to protect -Correct
Answer ✔Public health and environment
A ______ is a disease-causing microorganism -Correct Answer ✔Pathogen
A groundwater chemical contaminant that can result from septic tanks and leachfields is
which can cause_____in infants -Correct Answer ✔Nitrates and methoemoglobinmia
Statewide regulation of OSSF began in -Correct Answer ✔1989 Sept
The state agency responsible for regulating OSSF is -Correct Answer ✔TECQ
The desired method or level of OSSF regulation in Texas is _______regulation -Correct
Answer ✔Local
pH measures whether wastewater is ______\or_________ -Correct Answer ✔Acidity
Basicity
List six diseases that might be transmitted by inadequately treated sewage . -Correct
Answer ✔Typhoid Paratyphoid Polio meningitis Hepatitis Cholera
Identify the following terms TSS DO BOD -Correct Answer ✔Total Suspended solids
Dissolved Oxygen
Biochemical oxygen demand
Identify the most common chemical elements of sewage -Correct Answer ✔Solids
Gases
Fats and greases
DO
BOD
PH
What is the criteria that can be used to determine if a subsurface OSSF system is
functioning properly ? -Correct Answer ✔The Plumbing system must drain
No Water is surfacing or pooling above ground
There are no odors
The waste water must receive nearly complete treatment
OSSF Installer 2
, OSSF Installer 2
List the soil treatment mechanisms important in treating wastewater -Correct Answer
✔filtering or straining
Adsorption
Biological
The is authorized to review permit applications , site evaluations , planning materials
and conduct inspections of OSSFs .
a . installer
b . site evaluator
c . maintenance technician
d . Designated representative -Correct Answer ✔d . Designated representative
An individual who holds a valid license from TCEQ and who is compensated by another
individual to construct install , alter , or repair an OSSF is a ( n )
a . Installer
b . apprentice
c . authorized agent
d . maintenance provider -Correct Answer ✔a . Installer
An individual who visits a site and conducts soil evaluations and a site survey is a ( n )
a . apprentice
b . Site evaluator
c . authorized agent
d . designated representative -Correct Answer ✔b . Site evaluator
_____adopted the current OSSF Rules in 1997 and revised them several times . -
Correct Answer ✔TCEQ
New OSSF licenses are issued for a term of _______.An individual must renew the
license complete _________of TCEQ approved continuing education courses in order
to -Correct Answer ✔3 years 24 hrs
an Individuals working as a _________ or in any capacity for an OSSF
__________cannot work as an installer designer for a fee , or private site evaluator
within jurisdiction of the permittinh authority -Correct Answer ✔DR and Permitting
agency
List the OSSF licenses that require previous experience -Correct Answer ✔Installer II
Maintenance provider
What is needed to pre - qualify for an exam ? -Correct Answer ✔Submit an application
Notarized experience Statements Paying class and application Fees Completing the
appropriate training Course
OSSF Installer 2
