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What is mgd?

MGD or million gallons per day is a measurement of water flow frequently used in measurement of water consumption. One mgd equals 133,680.56 cubic feet per day, 1.5472 cubic feet per second or 3.0689 acre-feet per day.
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What is chlorination?

Chlorine is one of the elements known as halogens that are commonly used in bleach.  It is used in potable water treatment plants to eliminate bacteria and to minimize odor and taste.The amount of chlorine needed to purify drinking water is known as the chlorine demand.
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What is filtration?

Filtration is the process of separating solids from water during the potable treatment process using a porous material such as a permeable fabric called a membrane or by using sand.
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What is potable water treatment?

Potable water treatment is the process to purify water to make it acceptable to drink.  Most water treatment processes include some form or a combination of sedimentation, filtration and chlorination.To view an illustration on the potable water treatment process at the East Williamson County Regional Water System, click here.
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What is raw water?

Raw water is ground or surface water that is taken directly from its source without treatment. Typically, most water is considered to be raw until it is treated by a potable water treatment process.
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What are storm sewers?

Separate from sanitary water lines or wastewater sewers, storm sewers carry away surface rain runoff, street wash and snow melt via curb-side drains.  Also unlike sanitary sewers, these systems usually drain directly into a creek, river, or other body of water without treatment.  This is also how a lot of the trash ends up in our rivers and lakes.  Everything thrown out in the street or dumped in a street drain (storm drain) ends up in a nearby river or lake.Dumping hazardous substances into the...
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Where does effluent go once it leaves the treatment plant?

Wastewater treatment plants are typically located near creeks and rivers.  The treated effluent is returned to the water cycle by being released into these waterways.  As water sources become less abundant, many municipalities have chosen not to release effluent into the water cycle; rather to reuse the effluent for irrigation and industrial purposes directly from the water discharged from the treatment plant.
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The information provided on this site is intended as background on water within the Brazos River basin. There should be no expectation that this information is all encompassing, complete or in any way examines every aspect of this very complex natural resource.

If you have questions about a post or would like additional information, please contact us or call 888-922-6272.

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