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Archive by tag: floodReturn

What is flood stage?

Flood stage is an established gage height within a creek or river above which a rise in water surface level is described as a flood. This is the elevation at which the overflow of the natural banks of a stream or body of water begins.The gage height is the height of the water surface above a predetermined point. Once the gage height becomes too high in the lowest bank of reach this is when flood damage begins to impact an area. The National Weather Service uses gage height numbers to inform peop...
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What is a flood plain?

A floodplain is any ordinarily dry land area susceptible to inundation by water. This area is usually low, flat, and next to a stream or other body of water. Living on a floodplain can be especially dangerous in the circumstance that flooding does occur. There is always some risk for those on a floodplain, whether it’s people, businesses, or agriculture. Some floodplains are clearly defined by natural features, by infrastructure made by people, or not clearly outlined.Some floodplains are ...
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What is a flash flood?

The National Weather Service classifies a flash flood as an overflow of water onto normally dry land caused by heavy or excessive rainfall in a short period of time, generally less than 6 hours.Flash floods are usually characterized by raging torrents after heavy rains that rip through river beds, urban streets, or mountain canyons sweeping everything before them. They can occur within minutes or a few hours of excessive rainfall. They can also occur even if no rain has fallen, for instance afte...
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What is the National Flood Insurance Program?

The National Flood Insurance Program is a federal insurance program under which flood-prone areas are identified and flood insurance is made available to residents of participating communities that agree to adopt and enforce floodplain management ordinances to reduce future flood damage.  For additional information and qualification requirements, click here.
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What is a water supply lake?

As the name implies, water supply lakes are built primarily to provide a place to store water for Texas residents, communities, businesses, agriculture, industry and others who all depend on water to survive and thrive. Such lakes are especially vital during periods of drought, when other sources of water may be limited.  Many of Texas’ flood control lakes serve a secondary purpose as a water storage facility.  However, reservoirs designed for water supply, do not necessarily also provide flood...
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What is a flood control lake?

The great majority of our lakes (reservoirs) in Texas were built to help tame the state’s rivers and streams, which from time to time would swell beyond their banks and cause devastating floods. Such was the case with the Brazos River. History books record numerous destructive floods took place in the Brazos basin before a series of dams were built along its length to create reservoirs to hold periodic flood waters.
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What is a flood pool?

A flood pool is a specified area within a flood control lake and the surrounding land that may only be inundated during periods of flooding. This allows the flow of waters to be regulated and released in a safe manner.
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What is a 100-year flood?

A 100-year flood is a flood event that it has a 1 percent chance of happening in any given year. The term “100-year” is a measure of a flood’s size, not how often it occurs. Although statistically unlikely, several 100-year floods can occur within the same year or a few short years. It is also called the base flood.
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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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