Drought conditions are calculated weekly based on five key indicators and several others to determine the effects of drought on water supply, agriculture, and many other activities dependent on water resources.
See Texas Lake Levels for historical lake levels, Historical Levels for historical impacts from Texas drought on lake levels, and Current U.S. Forecasts for current forecasts for drought, precipitation, and river flood stage gages using the links at the top of the page.
Current Map: Current drought impacts on major water supply lakes in Texas.
See Legends Below