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

Add a new term

Contributors in Water

Become a Contributors

Water

trickling filter

Natural environment; Water

A wastewater treatment unit that contains medium material with bacteria. The stream of wastewater is trickled over the medium and the bacteria break down the organic wastes. Bacteria are collected on ...

blinding

Natural environment; Water

A build-up of particles in a filter medium, that prevents fluids from flowing through.

landscape impoundment

Natural environment; Water

Body of reclaimed water which is used for aesthetic enjoyment or which otherwise serves a function not intended to include contact recreation.

pumping test

Natural environment; Water

a test conducted to determine aquifer or well characteristics.

trihalomethanes (THM)

Natural environment; Water

Toxic chemical substances that consist of a methane molecule and one of the halogen elements fluorine, bromine, chlorine and iodine attached to three positions of the molecule. They usually have ...

blinds

Natural environment; Water

Water samples containing a chemical of known concentration given a fictitious company name and slipped into the sample flow of the lab to test the impartiality of the lab staff

exemption

Natural environment; Water

State or EPA permission for a water system not to meet a certain drinking water standard. An exemption allows a system additional time to obtain financial assistance or make improvements in order to ...