Water School

Maps of BRA lakes may be found online by visiting each reservoirs' web page: Possum Kingdom, Granbury and Limestone.  Printed maps of each reservoir are available free of charge at each lake office or by calling the Public Information Office at (888) 922-6272.

Emergency use of water is an exemption to the state’s water rights permitting that allows counties and rural fire departments to draw water from surface water sources in the event it is needed for an emergency situation.

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...

Periodically, officials conduct surveys of reservoirs within the Brazos River basin to determine each lake’s volume. As part of that work, survey crews determine each lake’s depth (in feet). Do not confuse this measurement with lake level, however.A reservoir’s depth is the distance from the bottom to the top of the conservation pool, the point where the lake is considered full. The lake level is the number of feet the surface is above mean sea level.Surveys use a combinat...