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Water Quality Control (MUNICIPAL WATER AND WASTEWATER SYSTEMS (Think about…
Water Quality Control
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SEDIMENTATION
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The longer the detention time, the more effective the sedimentation process
HOWEVER, this means you need a bigger tank and more time
Expensive!
Can remove particles that are contaminants
Flip side, can harbour other contaminants such as pathogens and absorbed metals
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GROUNDWATER
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Pg 8 
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