1|Page
Texas TCEQ Installer II Practice Test 2026/2027 |
OSSF Installer II Actual Exam Questions And
Answers Graded A+.
In the hydrologic cycle, water moves by evaporation and transpiration
into the ___________________ where it comes in contact with cooler
air, condenses, and falls to the ground in the form of
_____________________ (sleet, snow, hail or rain), and the surface
water supply through _____________________.
......ANSWER......ATMOSPHERE, PRECIPITATION, RUNOFF
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.
pg. 1
,2|Page
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.
pg. 2
,3|Page
~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.
pg. 3
, 4|Page
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
pg. 4
Texas TCEQ Installer II Practice Test 2026/2027 |
OSSF Installer II Actual Exam Questions And
Answers Graded A+.
In the hydrologic cycle, water moves by evaporation and transpiration
into the ___________________ where it comes in contact with cooler
air, condenses, and falls to the ground in the form of
_____________________ (sleet, snow, hail or rain), and the surface
water supply through _____________________.
......ANSWER......ATMOSPHERE, PRECIPITATION, RUNOFF
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.
pg. 1
,2|Page
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.
pg. 2
,3|Page
~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.
pg. 3
, 4|Page
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
pg. 4
