Water Treatment Plant Operator Practice Exam 2025 – Complete Test Prep

Question: 1 / 400

What is a common result of inadequate coagulant dosage in water treatment?

Increased filter efficiency

Formation of sediment

Increased turbidity

Inadequate coagulant dosage in water treatment commonly leads to increased turbidity in the treated water. Coagulants are essential in the water treatment process as they help to aggregate fine particles, allowing them to be removed more effectively during sedimentation and filtration. When the dosage is insufficient, not enough particles are effectively destabilized and agglomerated, resulting in a higher concentration of suspended solids in the water. This increased presence of suspended particles contributes to higher turbidity levels, making the water less clear and potentially affecting its quality.

Addressing turbidity is crucial as it can harbor pathogens, affect the taste and odor of the water, and interfere with disinfection processes. Thus, ensuring the correct dosage of coagulants is key to maintaining adequate water quality standards in treatment facilities.

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Reduced chemical consumption

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