Wastewater Treatment Plant Operator Practice Questions - Wastewater Treatment Plant Operator Certification Exam

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Operators notice the water level upstream of a mechanically cleaned screen is rising while flow into the plant is steady. What is the most likely cause?

The screen is becoming blinded with debris The chlorine contact basin is short-circuiting The grit pump is overfeeding The effluent weirs are too low

Correct Answer:

The screen is becoming blinded with debris

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