Treating

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Treating Drinking Water
Treatment Plant
Water Distribution
Treating Wastewater
Balancing Water Needs
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Rivers, lakes, reservoirs, and aquifers
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Where is Earths liquid fresh water found?
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A measurement of the substances in water besides
water molecules.
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What is water quality?
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A measurement of how acidic or basic the water is
on a scale of 0 to 14.
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What is pH?
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The level of calcium and magnesium refers to this.
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What is hardness?
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E-coli
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What does coliform count measure?
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The agency responsible for protecting the quality
of water and other natural resources in the
United States.
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What is the Environmental Protection Agency?
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The amount of one substance in a certain volume
of another substance.
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What is concentration?
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The process of passing water through a series of
screens that allows the water through, but not
larger particles.
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What is filtration?
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Sticky globs that form when a chemical such as
alum is added to water.
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What are flocs?
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The process when particles in the water stick to
flocs.
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What is coagulation?
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This chemical is added to drinking water to kill
disease-causing microorganisms.
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What is chlorine?
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This process forces air through the water
releasing gases and reducing unpleasant odors and
tastes.
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What is aeration?
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After water is treated, it goes here.
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What is a central pumping station?
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Underground network of steel or concrete pipes.
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What are water mains?
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Smaller copper or plastic pipes that carry water
into these.
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What are houses and buildings?
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This causes the water to move through a system of
pipes.
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What is water pressure?
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Wastewater and the different kinds of wastes in
it.
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What is sewage?
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A network of pipes that carries sewage away from
homes.
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What is sanitary sewers?
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During primary treatment, deposits of fine solids
settle out from the wastewater. It can be treated
with heat and chemicals and used as fertilizer.
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What is sludge?
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This is used to water the grass on golf courses
or public parks.
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What is gray water?
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An underground tank containing bacteria that
treats wastewater as it passes through.
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What is a septic tank?
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The area around the septic tank that the water
filters through.
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What is a leach field?
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A few years of scarce rainfall.
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What is a drought?
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The process of obtaining fresh water from salt
water.
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What is desalination?
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Using a resource wisely so that it will not be
used up.
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What is conservation?