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acid deposition
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biochemical oxygen demand (BOD)
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APES Vocab

Water Pollution

TermDefinition
acid deposition acids deposited on Earth as rain and snow or as gases and particles that attach to the surfaces of plants, soil, and water
biochemical oxygen demand (BOD) the amount of oxygen a quantity of water uses over a period of time at specific temperatures
cultural eutrophication an increase in fertility in a body of water, the result of anthropogenic inputs of nutrients
dead zone in a body of water, an area with extremely low oxygen concentration and very little life
eutrophication a phenomenon in which a body of water becomes rich in nutrients
fecal coliform bacteria a group of generally harmless microorganisms in human intestines that can serve as an indicator species for potentially harmful microorganisms associated with contaminated sewage
indicator species a species that indicates whether or not disease causing pathogens are likely to be present
leach field a component of a septic system, made up of underground pipes laid out below the surface of the ground
manure lagoon human-made pond lined with rubber built to handle large quantities of manure produced by livestock
maximum contaminant level (MCL) the standard for safe drinking water established by the EPA under the Safe Drinking Water Act
nonpoint source a diffuse area that produces pollution
perchlorates a group of harmful chemicals used for rocket fuel
point source a distinct location from which pollution is directly produced
polychlorinated biphenyls (PCBs) a group of industrial compounds used to manufacture plastics and insulate electrical transformers, and responsible for many environmental problems
septage a layer of fairly clear water found in the middle of a septic tank
septic system a relatively small and simple sewage treatment system, made up of a septic tank and a leach field, often used for homes in rural areas
septic tank a large container that receives wastewater from a house as part of a septic system
sludge solid waste material from wastewater
thermal pollution nonchemical water pollution that occurs when human activities cause a substantial change in the temperature of water
thermal shock a dramatic change in water temperature that can kill organisms
wastewater water produced by livestock operations and human activities, including human sewage from toilets and gray water from bathing and washing of clothes and dishes
water pollution the contamination of streams, rivers, lakes, oceans, or groundwater with substances produced through human activities
Created by: mmcgra1236
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