What is Water Quality?
A resource guide for 4-H leaders and teachers.
Chapter 1 - What is Water Quality
Water quality is influenced by what we do on the land
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Water quality is a relative term
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Contaminants come in a variety of forms
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Primary and secondary contaminants
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Acute and chronic toxicity
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Chapter 2 - Measuring a Physical Contaminant
Sediment is a physical contaminant
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Sources of sediment: Part I
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Sources of sediment: Part II
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Turbidity
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Chapter 3 - Mixing and Moving in the Environment
Contaminant movement in soil and groundwater systems
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Diffusion and convection
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Water movement influences contaminant movement
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Chapter 4 - The Erosion Process
Soil Erosion
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Contaminant Movement
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The effects of erosion on channel systems.
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Chapter 5 - The Idea of pH
The pH Scale
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Measuring pH
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Acid Rain
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Chapter 6 - How Much is a Lot?
Understanding Water Quality Measurements and Terms
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Water Quality Measurements
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Concentration As An Every Day Term
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Contaminant Concentration and Water Quality
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Chapter 7 - Biological Contaminants
The Idea of Biological Contamination
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Chapter 8 - Acute vs. Chronic Toxicity
Chemical, Physical and Biological Contaminants
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Acid Rain and Acid Deposition
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Contaminant Behavior
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Chapter 9 - Soil, Dirt, Filters and Water Quality
How Soil Acts as a Water and a Sponge
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Most Soil Has Both Physical and Chemical Storage Capacity
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Most Soil Has a Strong Capacity to Store, Trap, and Filter Contaminants That Have a Positive Electrical Charge
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Chapter 10 - How Water Behaves in the Ground
Groundwater, Aquifers, Wells, Pumps, and Water Quality
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Aquifer Contamination
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Preventing Groundwater Contamination
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