OSSF INSTALLER 1 COMPREHENSIVE EXAM 2026
QUESTIONS AND ANSWERS SCORED A+
✔✔What problems are a result of neighborhood pollution? - ✔✔Diseases that can be
spread by direct or indirect contact with the standing wastewater.
Vectors, such as roaches and flies, that can also spread diseases after coming in
contact with the wastewater.
Unsightly and unpleasant living conditions that result from the standing wastewater and
odors.
Feuds and bad relationships between neighbors that can result from the wastewater
problems.
Property values drop and real estate transactions fall through. No one benefits and
everyone suffers when neighborhoods are fouled by wastewater.
✔✔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
QUESTIONS AND ANSWERS SCORED A+
✔✔What problems are a result of neighborhood pollution? - ✔✔Diseases that can be
spread by direct or indirect contact with the standing wastewater.
Vectors, such as roaches and flies, that can also spread diseases after coming in
contact with the wastewater.
Unsightly and unpleasant living conditions that result from the standing wastewater and
odors.
Feuds and bad relationships between neighbors that can result from the wastewater
problems.
Property values drop and real estate transactions fall through. No one benefits and
everyone suffers when neighborhoods are fouled by wastewater.
✔✔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
