Water quality

Jun 15, 2012 by

Water quality refers to the physical, chemical and biological characteristics of water.[1] It is a measure of the condition of water...

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Water Pollution

Jun 14, 2012 by

Water pollution is broad term that includes contamination of different water bodies such as lakes, rivers, oceans, and...

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Watershed

Jun 13, 2012 by

What is a watershed? A watershed is the land which “sheds water,” or drains, into a particular water body – in this...

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Biochemical oxygen demand, or ...

Jun 12, 2012 by

The amount of organic material that can rot in the sewage is measured by the biochemical oxygen demand. BOD is the amount of oxygen...

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Water Pollution

Jun 11, 2012 by

When toxic substances enter lakes, streams, rivers, oceans, and other water bodies, they get dissolved or lie suspended in water or...

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