OSSF INSTALLER 1 LICENSE EXAM 2026
QUESTIONS AND ANSWERS COMPLETE
SOLUTIONS VERIFIED STUDY GUIDE
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
QUESTIONS AND ANSWERS COMPLETE
SOLUTIONS VERIFIED STUDY GUIDE
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
