WATER DISTRIBUTION LEVEL 2 EXAM QUESTIONS AND ANSWERS 2026

WATER DISTRIBUTION LATEST
LEVEL 2 EXAM
Which items should be part of a daily inspection of a storage reservoir? -
ANSWERS-Change water appearance
Evidence water has been tampered
Fence openings
Roof damage
Screen openings


Which of the following are purposes of water quality monitoring -
ANSWERS-Answer consumers questions
Assistant in determining source of contamination
Comply with requirements of regulations
Provide a record of the quality of water
Verify or refute claims


Which of the following backflow prevention devices are approved for
use at service connections? - ANSWERS-Air gap separation
Double check valve
Reduces pressure principle device


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, WATER DISTRIBUTION LATEST
LEVEL 2 EXAM
Which factors can cause a loss of water carrying capacity - ANSWERS-
Corrosion
Deposition of sediment
Putting
Slime growth
Tuberculation


When does a field disinfection of distribution system mains and storage
reservoirs become necessary - ANSWERS-After repairs are made
When they are new
Whenever there is any possible of contamination


Which of the following factors influence disinfection? - ANSWERS-
Organic matter
PH
Temperature
Turbidity




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