How to Study for the Water Treatment Operator Exam

Water operator exam prep

Water treatment operators are responsible for ensuring the quality and safety of water that is supplied to the public. They operate and maintain various equipment and processes that treat water from different sources, such as rivers, lakes, wells, or reservoirs....

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Practice Question: Temperature Affect on Denitrification

What affect will a decrease in temperature have on the denitrification process? A) Only affects biochemical nitrification B) Increases the denitrification process C) Decreases the denitrification process D) Only affects nitrifying bacteria in anaerobic selectors Show the answer... C) Decreases the denitrification process The...

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Practice Question: Chlorination and pH

Which of the following disinfectants will lower the water’s pH? A) Sodium hydroxide B) Calcium hypochlorite C) Chlorine gas D) Sodium hypochlorite Show the answer... C) Chlorine Gas When mixed with water, chlorine gas causes a chemical reaction which produces hypochlorous acid, resulting in a lower...

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Practice Question: Water System Evaluation

A detailed evaluation and/or inspection of a source of water supply and all conveyances, storage treatment and distribution facilities to ensure protection of the water supply from all pollution sources is called a A) Source Wwater Survey B) Raw water survey C) Pollution...

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Understanding pH

Water Treatment and Distribution operators deal with pH on a daily basis, so surely we know what it is, right? In reality, very few operators understand pH. Let’s face it, for most of us our understanding of pH is limited...

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