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A water budget is an accounting of hydrologic components of the water cycle, transfers between the components, and their relative contributions within a water system. Water budgets help define how much water is available, how much water is used, where the water comes from, and at what rate water is replenished or consumed. In its simplest form, a water budget defines the amount of water entering and leaving a water system. The USGS Texas Water Science Center (TXWSC) provides data and information about water-budget components that are needed to manage water resources in Texas. Visit the links below for more information on our data and science.
Basic components of water budgets are precipitation, evapotranspiration, surface-water and groundwater flow into and out of the watershed or aquifer, change in surface-water and groundwater storage, and human withdrawals and interbasin transfers.
WATER BUDGET SCIENCE CAPABILITIES
TXWSC has expertise in water budget science applications, including, but not limited to:
CURRENT WATER BUDGET SCIENCE
Coastal Lowlands Regional Groundwater Availability Study (CLAS)
Evapotranspiration Monitoring at Huisache Removal Site
Hydrogeologic Atlas for Fort Bliss
Hydrogeologic Framework of Gaines, Terry, and Yoakum Counties
Hydrologic Monitoring of Medina and Diversion Lakes, San Antonio Area
Red River Focus Area Study
Upper Rio Grande Basin Focus Area Study
Projects related to water budgets are listed below.
Data and tools related to water budgets are listed below.
How much water do we use?In the map below, State size (area) is scaled proportionally to State freshwater use.
Publications related to water budgets are listed below.