OSSF INSTALLER 1 UPDATED 2026 EXAM SCRIPT
QUESTIONS AND ANSWERS SCORED A+
✔✔Why is acceptable quality water vital? - ✔✔No resource in Texas or elsewhere is
more valuable than water. Acceptable quality water is not only vital in sustaining human
life, but is also vital in sustaining the natural environment and the economic life of
Texas.
✔✔Ground water that is obtained via a well can be used for - ✔✔Drinking, industrial, or
agricultural
✔✔Water table aquifer vs artesian - ✔✔Water table aquifer - direct contact with either
soil or the intermediate belt
Artesian aquifer - overlaid by a layer of impervious material that recieves little or no
recharge throigh this confining layer
✔✔Static water level - ✔✔Level at which water stands in a well
✔✔Two categories of sources of pollutants in surface water - ✔✔Point source pollution
Nonpoint source pollution
✔✔Point source vs non point pollution - ✔✔Point source comes from specific locations
through discharge structures (pipes or ditches). Can be monitored, controlled, and
inspected
Nonpoint source is intermittent, dispersed flow that escapes from pollution sources with
little or no control
✔✔Groundwater quality is recognized as a minor problem in Texas. - ✔✔False
✔✔Cesspools and seepage pits are legal systems in Texas and may be installed. -
✔✔False
✔✔Bore holes and injection wells are legal in Texas and may be installed. - ✔✔False
✔✔Artesian aquifers can be contaminated by bore holes and injection wells. - ✔✔True
✔✔In America, laws can be successfully enforced only when the majority of citizens
voluntarily comply. - ✔✔True
✔✔Homeowners should be educated the need for and importance of maintaining their
OSSF system. - ✔✔True
QUESTIONS AND ANSWERS SCORED A+
✔✔Why is acceptable quality water vital? - ✔✔No resource in Texas or elsewhere is
more valuable than water. Acceptable quality water is not only vital in sustaining human
life, but is also vital in sustaining the natural environment and the economic life of
Texas.
✔✔Ground water that is obtained via a well can be used for - ✔✔Drinking, industrial, or
agricultural
✔✔Water table aquifer vs artesian - ✔✔Water table aquifer - direct contact with either
soil or the intermediate belt
Artesian aquifer - overlaid by a layer of impervious material that recieves little or no
recharge throigh this confining layer
✔✔Static water level - ✔✔Level at which water stands in a well
✔✔Two categories of sources of pollutants in surface water - ✔✔Point source pollution
Nonpoint source pollution
✔✔Point source vs non point pollution - ✔✔Point source comes from specific locations
through discharge structures (pipes or ditches). Can be monitored, controlled, and
inspected
Nonpoint source is intermittent, dispersed flow that escapes from pollution sources with
little or no control
✔✔Groundwater quality is recognized as a minor problem in Texas. - ✔✔False
✔✔Cesspools and seepage pits are legal systems in Texas and may be installed. -
✔✔False
✔✔Bore holes and injection wells are legal in Texas and may be installed. - ✔✔False
✔✔Artesian aquifers can be contaminated by bore holes and injection wells. - ✔✔True
✔✔In America, laws can be successfully enforced only when the majority of citizens
voluntarily comply. - ✔✔True
✔✔Homeowners should be educated the need for and importance of maintaining their
OSSF system. - ✔✔True
