OSSF INSTALLER 2 EXAM 2025 ( QUESTIONS AND
ANSWERS A+ GRADED) | VERIFIED BY EXPERTS!
The primary threat from malfunctioning OSSF systems is - ANSWER water born disease
Wastewater disposal and OSSF systems are regulated in order to protect - ANSWER Public
health and environment
A ______ is a disease-causing microorganism - ANSWER Pathogen
A groundwater chemical contaminant that can result from septic tanks and leachfields is which
can cause_____in infants - ANSWER Nitrates and methoemoglobinmia
Statewide regulation of OSSF began in - ANSWER 1989 Sept
The state agency responsible for regulating OSSF is - ANSWER TECQ
The desired method or level of OSSF regulation in Texas is _______regulation - ANSWER Local
pH measures whether wastewater is ______\or_________ - ANSWER Acidity Basicity
List six diseases that might be transmitted by inadequately treated sewage . - ANSWER Typhoid
Paratyphoid Polio meningitis Hepatitis Cholera
Identify the following terms TSS DO BOD - ANSWER Total Suspended solids
Dissolved Oxygen
Biochemical oxygen demand
, Identify the most common chemical elements of sewage - 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 ? - 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
List the soil treatment mechanisms important in treating wastewater - 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 - ANSWER d . Designated representative
ANSWERS A+ GRADED) | VERIFIED BY EXPERTS!
The primary threat from malfunctioning OSSF systems is - ANSWER water born disease
Wastewater disposal and OSSF systems are regulated in order to protect - ANSWER Public
health and environment
A ______ is a disease-causing microorganism - ANSWER Pathogen
A groundwater chemical contaminant that can result from septic tanks and leachfields is which
can cause_____in infants - ANSWER Nitrates and methoemoglobinmia
Statewide regulation of OSSF began in - ANSWER 1989 Sept
The state agency responsible for regulating OSSF is - ANSWER TECQ
The desired method or level of OSSF regulation in Texas is _______regulation - ANSWER Local
pH measures whether wastewater is ______\or_________ - ANSWER Acidity Basicity
List six diseases that might be transmitted by inadequately treated sewage . - ANSWER Typhoid
Paratyphoid Polio meningitis Hepatitis Cholera
Identify the following terms TSS DO BOD - ANSWER Total Suspended solids
Dissolved Oxygen
Biochemical oxygen demand
, Identify the most common chemical elements of sewage - 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 ? - 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
List the soil treatment mechanisms important in treating wastewater - 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 - ANSWER d . Designated representative
