24 terms

Health of a Water System Vocabulary


Terms in this set (...)

Potable water
drinking water
Safe water
water that can be used for bathing or cleaning
a substance that contaminates another substance, the air, water, land, etc.
the use of water as a substance for organisms to grow and live
Dissolved oxygen (DO)
oxygen found dissolved in water
a measure of how acidic or basic water is
compounds of nitrogen and oxygen that naturally occur in water, but rise to unsafe levels when runoff adds animal wastes and fertilizers to the water source
compounds of phosphorous and oxygen that increase to harmful levels in water when fertilizers runoff into them
a measure of the concentration of particles suspended in water. How cloudy the water appears.
living organisms, plant or animal, native to an area that indicate the health of a body of water
water insects and some other organisms that naturally occur in a body of water used as bio-indicators
a process when bodies of water receive excess nutrients that stimulate the growth of algae and plants. Results in the depletion of DO. The death of a body of water.
the liquid and solid wastes flushed down toilets and poured down drains
Environmental Protection Agency
Point source
pollution from a specific site
Nonpoint source
pollution from many sources rather than one specific site
Clean Water Act
law occurring in 1972 placing the EPA in charge of cleaning up and regulating dumping in Earth's waters
chemicals used on plants to kill insects
chemical substance used to kill unwanted plants and weeds
bacteria found in the intestines and the fecal waste that can contaminate water supplies
water that flows over land and into streams or storm drains as precipitation falls to the the Earth carrying many substances with it.
wise use of our natural resources
Economic trade-off
sacrificing the environment or resources in order to gain money or finances
Water treatment
processing of water so that it can be used in homes or businesses or returned to water source after use

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