Water quality refers to the chemical, physical and biological characteristics of water. It is a measure of the condition of water relative to the requirements of one or more biotic species and or to any human need or purpose. It is most frequently used by reference to a set of standards against which compliance can be assessed. The most common standards used to assess water quality relate to health of ecosystems, safety of human contact and drinking water.
Read more about Water Quality: Standards, Categories, Sampling and Measurement of Water Quality Standard, Water Quality Standards and Reports
Famous quotes containing the words water and/or quality:
“We can never part with it; the mind loves its old home: as water to our thirst, so is the rock, the ground, to our eyes, and hands, and feet. It is firm water: it is cold flame: what health, what affinity!”
—Ralph Waldo Emerson (1803–1882)
“Spindly branches of buttercups were secreted among gleaming stems still moist at the roots from last night’s rain that had washed and refreshed the entire wood, had dowered it in poignant transparency, the unique, inconsolable quality of rainy countries, as if all was glimpsed through tears.”
—Angela Carter (1940–1992)