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7 Cards in this Set
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water pollution |
The addition of harmful chemicals to naturalwater. Sources of water pollution in the United States include industrial waste, run-off from fields treated with chemical fertilizers, and run-off from areas that have been mined.
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point-source pollution |
, on the most basic level, is water pollution that comes from a single, discrete place, typically a pipe. The Clean Water Act specifically defines a "point source" in section 502(14) of the Act.
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nonpoint-source pollution |
pollution refers to both water and air pollution from diffusesources. Non-point source water pollutionaffects a water body from sources such as polluted runoff from agricultural areas draining into a river, or wind-borne debris blowing out to sea.
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wastewater |
, also written as waste water, is any water that has been adversely affected in quality by anthropogenic influence.Wastewater can originate from a combination of domestic, industrial, commercial or agricultural activities, surface runoff or stormwater, and from sewer inflow or infiltration.
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artificial eutrophocation |
a natural process that occurs in an aging lake or pond as that body of water gradually builds up its concentration of plant nutrients. Cultural or artificial eutrophication occurs when human activity introduces increased amounts of these nutrients, which speed up plant growth and eventually choke the lake of all of its animal life.
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thermal pollution |
the degradation of water quality by any process that changes ambient water temperature. A common cause of thermal pollution is the use of water as a coolant by power plants and industrial manufacturers.
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biomagnitfication |
the concentration of toxins in an organism as a result of its ingesting other plants or animals in which the toxins are more widely disbursed.
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