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25 Cards in this Set
- Front
- Back
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Water Pollution |
The contamination of water bodies. |
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Biological Oxygen Demand |
The amount of oxygen required by biological organisms in water to break down organic materials. |
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Environmental Law |
Describes international treaties that operate to regulate the interactions between humans and the environment. |
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Contaminants (water) |
The presence of minor or unwanted materials in water. |
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Fecal Coliform |
Bacteria in human intestines. |
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Point Source Pollution |
any identifiable source of contamination from which contaminants discharge. |
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Non-point Source Pollution |
any non-identifiable source of contamination from which contaminants discharge. |
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Primary Treatment |
Sewage flows into large basins. |
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Secondary Treatment |
Designed to degrade the biological content of the sewage. |
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Tertiary Treatment |
Further improves quality of the sewage before it enters the environment. |
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Effluent Discharge |
Water/gas that flows out of a body of water. |
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Water Renovation and Conservation |
Natural purification and reuse of wastewater. |
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Wastewater Treatment |
The process of removing contaminants from a lake, river, etc. |
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Runoff |
The flow of water from land to a body of water. |
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Watershed |
A spot of land where all of the water below it drains away to somewhere else. |
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Eutrophication |
A process where water bodies receive excess nutrients, that stimulate excessive plant growth. |
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Dead Zone(s) |
Low oxygen areas in the world's oceans and large lakes, caused by humankind's "excessive nutrient pollution." |
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pH |
A measure of acidity or basicity of an aqueous solution. |
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Dissolved Oxygen |
A measure of the amount of Oxygen is dissolved in water. |
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Chorination |
The process of adding Chlorine or Hypochorite to water. |
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Aquifer |
An underground layer of water-bearing materials permeable rock, or unconsolidated materials. |
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Hypoxia |
Low oxygen level areas in water. |
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Methane Gas |
Second most prevalent greenhouse gas emitted in America. |
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Activated Sludge |
A process for treating sewage and industrial wastewaters using air and a biological floc of bacteria and protozoa. |
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Leachate |
Any liquid, that when passing through matter, extracts part of the material that the water passed through. |
