Archive for June 5, 2012

Erkin | June 5, 2012
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Rain: A valuable resource

Rain and snow are key elements in the Earth’s water cycle, which is vital to all life on Earth. Rainfall is the main way that the water in the skies comes down to Earth, where it fills our lakes and rivers, recharges the underground aquifers, and provides drinks to plants and animals.

 

Fortunately for everyone, water is a renewable resource that moves in a cycle with neither beginning nor end. Water vapor (evaporated from oceans, lakes, forests, fields, animals, and plants) condenses and returns to Earth as precipitation, once again replenishing reservoirs, lakes, rivers, and other sources of water and providing the moisture required by plants and animals.s Read more

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Erkin | June 1, 2012
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Water Questions & Answers

 Where does our household water come from?

Of course, the easy answer is all water starts off falling from the sky. Although, since precipitation is part of the water cycle, you could also say water doesn’t start or end at anyplace, but goes around in a big cycle.

The U.S. Geological Survey (USGS) compiles national water-use information every 5 years, with the last compilation being for 2005. As far as where all the water that we use in our homes comes from, it is from either a groundwater source, such as a well, or from a surface-water source, such a river, lake, or reservoir. In the U.S. in 2005, about 258 million of the 301 million people in the United States got their home water delivered by a public supplier, such as the county water department. At other homes, mainly is more rural areas, people provide water for themselves from sources such as a well, a cistern, a pond, or a stream. Largely groundwater wells provide water for these users, with almost 98% of water coming from wells. Read more

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