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Water Quality Crossword Puzzle

Across
The action or method of storing something for future use.
Running water through various sized screen/material to remove pollutants.
Allowing clumps in the water to settle to the bottom so they can be easily removed.
Adding chemicals to water causing particles to clump together.
Down
Phosphorus compounds used for growth
The process of treating water so it is safe to drink.
Any substance or form of energy that can cause harm to environment and organism of an ecosystem.
Adding chemicals to water to kill harmful Bacteria.