WASTEWATER OPERATOR CLASS C FINAL
PAPER 2026 COMPLETE QUESTIONS AND
ANSWERS GUARANTEED TO PASS
●● 50 ft.
Answer: No ground water well shall be located within_____feet of tile
or concrete sewage line, septic tank, storm sewer or cemetery.
●● Sand.
Answer: Well screens are installed in the well development process and
keep _____ from entering the pump
●● Aeration removes gases as.
Answer: Methane, Hydrogen Sulfide, Carbon Dioxide and Randon
●● Scale on the inside of water pipes is primarily cause by.
Answer: Sulfides
●● In the far reaches of the Distribution System there must be a
minimum free chlorine residual of.
Answer: 0.2mg/L or 0.5mg/L Choramines
, ●● 0.8 mg/L.
Answer: The maximum residual level for Chlorine Dioxide
●● Squirrel Cage Induction Motor.
Answer: Most electric motors that you come in contact with
●● Submersible pump.
Answer: A pump and motor combination that is found at the bottom of a
well and pushes the water to the surface
●● Cryptosporidium,Giardia.
Answer: Some waterborne Protozoa that are very resistant to common
chlorine dosages
●● Well construction companies use the well casing to.
Answer: Keep the bore hole open and prevent contamination
●● Calcium and Magnesium.
Answer: The measurement of total hardness
●● 50 ft.
Answer: Minimum required distance between a public water supply well
and a concrete sewer line
PAPER 2026 COMPLETE QUESTIONS AND
ANSWERS GUARANTEED TO PASS
●● 50 ft.
Answer: No ground water well shall be located within_____feet of tile
or concrete sewage line, septic tank, storm sewer or cemetery.
●● Sand.
Answer: Well screens are installed in the well development process and
keep _____ from entering the pump
●● Aeration removes gases as.
Answer: Methane, Hydrogen Sulfide, Carbon Dioxide and Randon
●● Scale on the inside of water pipes is primarily cause by.
Answer: Sulfides
●● In the far reaches of the Distribution System there must be a
minimum free chlorine residual of.
Answer: 0.2mg/L or 0.5mg/L Choramines
, ●● 0.8 mg/L.
Answer: The maximum residual level for Chlorine Dioxide
●● Squirrel Cage Induction Motor.
Answer: Most electric motors that you come in contact with
●● Submersible pump.
Answer: A pump and motor combination that is found at the bottom of a
well and pushes the water to the surface
●● Cryptosporidium,Giardia.
Answer: Some waterborne Protozoa that are very resistant to common
chlorine dosages
●● Well construction companies use the well casing to.
Answer: Keep the bore hole open and prevent contamination
●● Calcium and Magnesium.
Answer: The measurement of total hardness
●● 50 ft.
Answer: Minimum required distance between a public water supply well
and a concrete sewer line
