Multiple choice

what happens to the sludge in the water treatment plant?

  1. it is recycled

  2. it is released to the stream

  3. it is burned

  4. it is hauled to the landfill (dump)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Sludge generated in water treatment plants is typically dewatered and then disposed of in landfills, incinerated, or sometimes applied as fertilizer if it meets safety standards.

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