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What is Lake Granbury?

De Cordova Bend Dam and Lake Granbury were constructed by the Brazos River Authority and are maintained and operated by the Authority as a source of water supply. Construction of the project began in...

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What is in untreated water that can make you sick?

Water drawn from rivers, lakes stream and other bodies of water as well as groundwater can be contaminated and could make you sick if you drink it without treating it first. Waterborne diseases, caused...

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What is Possum Kingdom Lake?

Possum Kingdom Lake, located on the main stem of the Brazos River northwest of Fort Worth, was the first water supply reservoir constructed in the Brazos River basin. Located in Young, Palo Pinto,...

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What is runoff?

Runoff is that part of precipitation, snow melt or irrigation water that does not sink into the ground but moves from the land into streams or other surface water. It can carry pollutants from the land...

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What is an acre-foot?

An acre-foot is commonly used to measure water volume. It is the amount of water needed to cover one acre (43,560 square feet) with one foot of water.  One acre foot is equal to 325,851 gallons of...

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What is streamflow?

Streamflow is the water discharge in a natural channel.  Streamflow is measured in cubic feet per second (cfs) and monitored by the United States Geological Survey.  You may view the stream gages in...

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How fast does the river flow? How is it measured?

A rivers speed is measured by cubic feet per second (cfs) or how quickly a cubic foot of water passes by a set point for a period of one second.  The set point is usually a gauge managed by the United...

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Why do lake levels fluctuate?

Despite a common misconception, there are very few “constant level lakes,” and none operated by the Brazos River Authority.  A constant level lake is one that is artificially managed to remain at a...

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What types of contaminates can be found in drinking water?

No water is completely pure.  Contaminates, both naturally occurring and manmade, occur at differing levels depending on your location throughout the world. In the United States, federal and state...

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What is the water cycle?

Rainfall that stays in the liquid state becomes runoff that makes up streams and rivers.  Water that is not used for some purpose eventually flows to the ocean.  Water that evaporates from the oceans...

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