OSSF INSTALLER 2 Exam (updated 2026)
Questions & Answers | Latest Already
Graded A+ UPDATE |2026
• Wastewater disposal and OSSF systems are regulated in order to protect -
✓✓Public health and environment
• A ______ is a disease-causing microorganism -✓✓Pathogen
• A groundwater chemical contaminant that can result from septic tanks and
leachfields is which can cause_____in infants -✓✓Nitrates and
methoemoglobinmia
• Statewide regulation of OSSF began in -✓✓1989 Sept
• The state agency responsible for regulating OSSF is -✓✓TECQ
• The desired method or level of OSSF regulation in Texas is _______regulation -
✓✓Local
• pH measures whether wastewater is ______\or_________ -✓✓Acidity Basicity
• List six diseases that might be transmitted by inadequately treated sewage . -
✓✓Typhoid Paratyphoid Polio meningitis Hepatitis Cholera
• Identify the following terms TSS DO BOD -✓✓Total Suspended solids
Dissolved Oxygen
Biochemical oxygen demand
• Identify the most common chemical elements of sewage -✓✓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 ? -✓✓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
• List the soil treatment mechanisms important in treating wastewater -✓✓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 -✓✓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 -✓✓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 -✓✓b . Site evaluator
• _____adopted the current OSSF Rules in 1997 and revised them several times . -
✓✓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 -✓✓3 years 24 hrs
Questions & Answers | Latest Already
Graded A+ UPDATE |2026
• Wastewater disposal and OSSF systems are regulated in order to protect -
✓✓Public health and environment
• A ______ is a disease-causing microorganism -✓✓Pathogen
• A groundwater chemical contaminant that can result from septic tanks and
leachfields is which can cause_____in infants -✓✓Nitrates and
methoemoglobinmia
• Statewide regulation of OSSF began in -✓✓1989 Sept
• The state agency responsible for regulating OSSF is -✓✓TECQ
• The desired method or level of OSSF regulation in Texas is _______regulation -
✓✓Local
• pH measures whether wastewater is ______\or_________ -✓✓Acidity Basicity
• List six diseases that might be transmitted by inadequately treated sewage . -
✓✓Typhoid Paratyphoid Polio meningitis Hepatitis Cholera
• Identify the following terms TSS DO BOD -✓✓Total Suspended solids
Dissolved Oxygen
Biochemical oxygen demand
• Identify the most common chemical elements of sewage -✓✓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 ? -✓✓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
• List the soil treatment mechanisms important in treating wastewater -✓✓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 -✓✓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 -✓✓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 -✓✓b . Site evaluator
• _____adopted the current OSSF Rules in 1997 and revised them several times . -
✓✓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 -✓✓3 years 24 hrs
