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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.

Contributors in Water


Interbasin transfer

Natural environment; Water

The physical transfer of water from one watershed to another; regulated by the Texas Water Code.


Natural environment; Water

A contaminant at a concentration high enough to endanger the life of organisms.


Natural environment; Water

The combined action of several chemicals, which produces a total effect greater than the effects of the chemicals separately.

Artesian water

Natural environment; Water

Ground water that is under pressure when tapped by a well and is able to rise above the level at which it is first encountered. It may or may not flow out at ground level. The pressure in such an ...

Drought of record

Natural environment; Water

The decade-long drought that affected Central Texas from the late 1940s through the late 1950s. (See LCRA history.) No other drought in recent history was as severe or as sustained. LCRA and other ...

In-situ stripping

Natural environment; Water

Treatment system that removes or strips volatile organic compounds from contaminated groundwater or surface water by forcing an air stream through the water and causing the compounds to evaporate.


Natural environment; Water

The area taken up by contaminant(s) in an aquifer.

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