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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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What is greywater?

Greywater is wastewater from household or small commercial establishments that includes water from clothes washing machines, showers and bathtubs, and sinks used for hand washing.  Greywater does not include water from the kitchen sink used in the cleaning of food and from toilets, dishwashers, or water used for washing diapers.In some areas, greywater may be released into the environment without going through a treatment process. Texas laws prohibit the release of greywater into or near lakes s...
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What is a wastewater treatment plant?

A wastewater treatment plant is a system used to clean wastewater generated within municipal areas.  Most wastewater treatment plants utilize aerobic forms of cleaning water and removing waste so that water may be returned to the water cycle.At the treatment plant, the waste is separated into liquids that are purified and solid sludge that may be used in a number of recycling systems or taken to land fills.
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What is a septic system?

A septic system is an on-site means of treating and disposing of domestic sewage without sending it to a municipal water treatment system. A septic system receives the waste from a home or business and uses an anaerobic method of breaking down the waste in a manner that will not be harmful to people or to the environment.A typical system includes a tank that allows the decomposition of solids by naturally occurring bacteria as well as a set of lines or a pit to dispose of the effluent or liquid....
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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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