Water

Water

Water is a chemical compound with the chemical formula H20. A water molecule contains one hydrogen atom and two oxygen atoms. Water is a liquid at standard ambient temperature and pressure though it can be a solid (ice)in low temperatures or evaporate into water vapor a higher temperatures.

Industry: Natural environment

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Water

nephelometric turbidity unit (NTU)

Natural environment; Water

unit of measure for the turbidity of water. Essentially, a measure of the cloudiness of water as measured by a nephelometer. Turbidity is based on the amount of light that is reflected off particles ...

screening

Natural environment; Water

Use of screens to remove coarse floating and suspended solids from sewage.

watermaster

Natural environment; Water

An employee of a water department who distributes available water supply at the request of water right holders and collects hydrographic data.

conservation

Natural environment; Water

Preserving and renewing, when possible, human and natural resources. The use, protection, and improvement of natural resources according to principles that will ensure their highest economic or ...

ground water

Natural environment; Water

(1) water that flows or seeps downward and saturates soil or rock, supplying springs and wells. The upper surface of the saturate zone is called the water table. (2) Water stored underground in rock ...

net water use

Natural environment; Water

Water withdrawals plus or minus water transfers. In most counties, the net water use and water withdrawals are equal. However, in counties involved in water transfers (imports and exports), the net ...

seal

Natural environment; Water

the impermeable material, such as cement grout bentonite, or puddling clay placed in the annular space between the borehole wall and the casing of a water well to prevent the downhole movement of ...