OSSF INSTALLER 2 CERTIFICATION
EVALUATION TEST PAPER 2026
COMPLETE QUESTIONS AND SOLUTIONS
GRADED A+
●● evaporation where it comes in contact. Answer:
●● Ground Water. Answer: The term refers to water that collects beneath
the surface of the earth in porous, permeable, water-bearing geologic
formations or aquifers.
●● Surface water. Answer: refers to water that is found above ground in
containment areas, such as lakes, rivers, streams, creeks, and reservoirs.
●● Water table aquifers are recharged by. Answer: Local percolation
●● Sepage pits. Answer:
●● sepage pits. Answer: Rock-filled or lined pits dug at least 4 feet deep
at the end of a septic tank absorption field system are called
, ●● Cess pools. Answer: 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 wastewater are called
●● How are waterborne diseases transmitted?. Answer: Microorganisms
(pathogens) that live in the intestine are passed in the feces and get into
the water supply
●● What are the three primary routes of contamination for pathogenic
microorganisms and harmful chemicals from on-site sewage systems to
our environment?. Answer: Neighborhood pollution
Groundwater contamination
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 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.
EVALUATION TEST PAPER 2026
COMPLETE QUESTIONS AND SOLUTIONS
GRADED A+
●● evaporation where it comes in contact. Answer:
●● Ground Water. Answer: The term refers to water that collects beneath
the surface of the earth in porous, permeable, water-bearing geologic
formations or aquifers.
●● Surface water. Answer: refers to water that is found above ground in
containment areas, such as lakes, rivers, streams, creeks, and reservoirs.
●● Water table aquifers are recharged by. Answer: Local percolation
●● Sepage pits. Answer:
●● sepage pits. Answer: Rock-filled or lined pits dug at least 4 feet deep
at the end of a septic tank absorption field system are called
, ●● Cess pools. Answer: 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 wastewater are called
●● How are waterborne diseases transmitted?. Answer: Microorganisms
(pathogens) that live in the intestine are passed in the feces and get into
the water supply
●● What are the three primary routes of contamination for pathogenic
microorganisms and harmful chemicals from on-site sewage systems to
our environment?. Answer: Neighborhood pollution
Groundwater contamination
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 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.
