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What is "firm" water?

Firm water is a supply term referring to the specific amount necessary to fully supply an area with water during a repeat of the most severe drought of record.
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What is fecal coliform bacteria?

Fecal coliform bacteria is one of a collection of relatively harmless bacteria that live in the intestines of all warm blooded animals including humans.  These bacteria normally aid in the digestion of food then pass through the intestines as part of fecal waste.When aquatic systems are contiminated by human or animal feces, the fecal coliform bacteria (the most common form being Escherichia coli or E coli) can cause a number of waterborne diseases including typhoid fever, viral and bacterial ga...
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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 the gage height or stage?

The gage height or stage is the height of the water surface above an established datum point, such as in a river above a predetermined point.  The gage height does not represent the depth of the river.
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What is a flood?

A flood is any relatively high streamflow that overflows the natural or artificial banks of a stream.
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What is discharge?

Discharge is the volume of fluid passing a point at a specific point intime, commonly expressed in cubic feet per second, million gallons per day, gallons per minute, or seconds per minute per day.
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What is constant level?

Constant level is a term given to the practice of maintaining a body of water at a specific elevation.  No natural body of water has a constant level.  While some fluctuate more than others, all natural bodies of water change on a daily basis, some rapidly during floods.  Few man-made reservoirs have the ability to be maintained at a constant level as evaporation, drought, water use and/or flooding affect elevation levels.
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What is cubic foot per second?

The measurement cubic foot per second (cfs or ft3/s) is the rate of water movement representing a volume of 1 cubic foot passing a given point during 1 second.  This measurement is equivalent to approximately 7.48 gallons per second or 448.8 gallons per minute.
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What is bank-full stage?

Bank-full stage is an established river stage at a given location along a river that represents the maximum safe water level that will not overflow the river banks or cause any significant damage within the river reach.
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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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