OSSF INSTALLER 2 LICENSE
CERTIFICATION EVALUATION 2026 FULL
QUESTIONS WITH SOLUTIONS GRADED A+
⩥The term ___________ _____________ refers to water that collects
beneath the surface of the earth in porous, permeable, water-bearing
geologic formations or aquifers. Answer: GROUND WATER
⩥The term __________ _____________ refers to water that is found
above ground in containment areas, such as lakes, rivers, streams, creeks
and reservoirs. Answer: SURFACE WATERS
⩥Water table aquifers are recharged by ___________
__________________. Answer: LOCAL PERCOLATION.
⩥Rock-filled or lined pits dug at least 4 feet deep at the end of a septic
tank absorption field system are called _________ _________. Answer:
SEEPAGE PITS.
⩥Pits constructed in permeable soil with open-jointed material along the
sides to the bottom of the pit that receive a direct discharge of raw waste
water are called __________________. Answer: CESSPOOLS.
,⩥How are water born diseases transmitted? Answer:
MICROORGANISMS
⩥What are 3 primary routes of containment for pathogenetic
microorganisms and harmful chemicals from on-site sewage systems to
our environment? Answer: Neighborhood pollution, groundwater
pollution and surface water pollution.
⩥What problems are a result of neighborhood pollution? Answer:
~Diseases that can be spread by direct or indirect contact with the
standing water.
~Vectors such as roaches and flies, that can also spread diseases after
coming in contact with the waste water.
~Unsightly and unpleasant living conditions that result from the standing
waste water.
~Feuds and bad relationships with neighbors that can result from waste
water problems.
~Property values drop and real estate transactions fall through. No one
benefits and everyone suffers when neighborhoods are fouled by waste
water.
,⩥Why is acceptable quality water vital? Answer: Sustains human life,
the natural environment and the economic life of Texas
⩥Groundwater that is obtained via a well can be used for what purpose?
Answer: Agricultural, industrial/commercial and drinking water.
⩥What is the difference between a water table aquifer and an artesian
aquifer? Answer: Water table aquifer is in direct contact with either the
soil or the intermediate belt.
Artesian is overplayed by a layer of impervious material.
⩥What is the static water level? Answer: Level at which water stands in
a well.
⩥What are the 2 categories of sources of pollutants in surface water?
Answer: Point source pollution.
Non-point source pollution.
⩥What is the difference between point source and nonpoint source
pollution? Answer: Point source can be controlled, non point source has
little or no control.
, ⩥Ground water quality is recognized as a minor problem in Texas.
Answer: FALSE
⩥Cesspools and seepage pits are legal systems in Texas and may be
installed. Answer: FALSE
⩥Bore holes and injection wells are legal in Texas and may be installed.
Answer: FALSE
⩥Artesian aquifers can be contaminated by bore holes and injection
wells. Answer: TRUE
⩥In America, laws can be successfully enforced only when the majority
of citizens voluntary comply. Answer: TRUE
⩥Home owners should be educated on the need for and importance of
maintaining their OSSF system. Answer: TRUE
⩥Onsite sewage facilities (OSSF) have been regulated statewide since
Answer: 1989
⩥The state agency responsible for regulating OSSF systems is Answer:
TCEQ (Texas Commission on Environmental Quality)
CERTIFICATION EVALUATION 2026 FULL
QUESTIONS WITH SOLUTIONS GRADED A+
⩥The term ___________ _____________ refers to water that collects
beneath the surface of the earth in porous, permeable, water-bearing
geologic formations or aquifers. Answer: GROUND WATER
⩥The term __________ _____________ refers to water that is found
above ground in containment areas, such as lakes, rivers, streams, creeks
and reservoirs. Answer: SURFACE WATERS
⩥Water table aquifers are recharged by ___________
__________________. Answer: LOCAL PERCOLATION.
⩥Rock-filled or lined pits dug at least 4 feet deep at the end of a septic
tank absorption field system are called _________ _________. Answer:
SEEPAGE PITS.
⩥Pits constructed in permeable soil with open-jointed material along the
sides to the bottom of the pit that receive a direct discharge of raw waste
water are called __________________. Answer: CESSPOOLS.
,⩥How are water born diseases transmitted? Answer:
MICROORGANISMS
⩥What are 3 primary routes of containment for pathogenetic
microorganisms and harmful chemicals from on-site sewage systems to
our environment? Answer: Neighborhood pollution, groundwater
pollution and surface water pollution.
⩥What problems are a result of neighborhood pollution? Answer:
~Diseases that can be spread by direct or indirect contact with the
standing water.
~Vectors such as roaches and flies, that can also spread diseases after
coming in contact with the waste water.
~Unsightly and unpleasant living conditions that result from the standing
waste water.
~Feuds and bad relationships with neighbors that can result from waste
water problems.
~Property values drop and real estate transactions fall through. No one
benefits and everyone suffers when neighborhoods are fouled by waste
water.
,⩥Why is acceptable quality water vital? Answer: Sustains human life,
the natural environment and the economic life of Texas
⩥Groundwater that is obtained via a well can be used for what purpose?
Answer: Agricultural, industrial/commercial and drinking water.
⩥What is the difference between a water table aquifer and an artesian
aquifer? Answer: Water table aquifer is in direct contact with either the
soil or the intermediate belt.
Artesian is overplayed by a layer of impervious material.
⩥What is the static water level? Answer: Level at which water stands in
a well.
⩥What are the 2 categories of sources of pollutants in surface water?
Answer: Point source pollution.
Non-point source pollution.
⩥What is the difference between point source and nonpoint source
pollution? Answer: Point source can be controlled, non point source has
little or no control.
, ⩥Ground water quality is recognized as a minor problem in Texas.
Answer: FALSE
⩥Cesspools and seepage pits are legal systems in Texas and may be
installed. Answer: FALSE
⩥Bore holes and injection wells are legal in Texas and may be installed.
Answer: FALSE
⩥Artesian aquifers can be contaminated by bore holes and injection
wells. Answer: TRUE
⩥In America, laws can be successfully enforced only when the majority
of citizens voluntary comply. Answer: TRUE
⩥Home owners should be educated on the need for and importance of
maintaining their OSSF system. Answer: TRUE
⩥Onsite sewage facilities (OSSF) have been regulated statewide since
Answer: 1989
⩥The state agency responsible for regulating OSSF systems is Answer:
TCEQ (Texas Commission on Environmental Quality)
