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Water Quality

Across
Measure of how cloudy water is
The measure of how deep light can penetrate through a body of water
Measurement of the acidity or alkalinity of water
Settling
Environment Protection Agency
Adding chemicals to water causing particles to clump together
Down
Process of passing water through a filter to remove particles
Process of killing disease-causing microorganisms
Safe to drink
Forcing air through water to remove unpleasant smelling/tasting gases