The situation
LCRA has closed one floodgate at Mansfield Dam on Monday, July 20.
One floodgate at Mansfield Dam and multiple floodgates at Tom Miller Dam will remain open.
Floodgate operations
Current status
| Buchanan Dam / Lake Buchanan | Hydrogeneration to pass floodwaters is underway. | as of 7/21/26 at 10:40 AM |
| Inks Dam / Inks Lake | Flow over the spillway is not expected. | as of 7/21/26 at 10:40 AM |
| Wirtz Dam / Lake LBJ | Hydrogeneration to pass floodwaters is underway. | as of 7/21/26 at 10:40 AM |
| Starcke Dam / Lake Marble Falls | Hydrogeneration to pass floodwaters is underway. | as of 7/21/26 at 10:40 AM |
| Mansfield Dam / Lake Travis | One floodgate is open. | as of 7/21/26 at 10:40 AM |
| Miller Dam / Austin | Two floodgates are open. | as of 7/21/26 at 10:40 AM |
| Bastrop Dam / Bastrop | No gate operations to pass floodwaters are expected | as of 7/21/26 at 10:40 AM |
Current lake levels
Lakes Buchanan and Travis are water supply reservoirs designed to fluctuate. Lake Travis is “full” at 681 feet above sea level, but its flood pool holds an additional 776,000 acre-feet (31 Lake Austins’ worth) to reduce downstream flooding.
The other four Highland Lakes – Inks, LBJ, Marble Falls and Austin – are pass-through lakes with no flood storage capacity. They typically operate within a one-foot range but can rise well above normal levels during floods.
Data above 100% indicates flood stage.
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Buchanan Forecast
The level of Lake Buchanan is expected to rise to a range of 1019.5 to 1020 feet above msl over the next few days.
Travis Forecast
The level of Lake Travis is slowly receding and is expected to reach 683 in the next 24 hours.
Flood-related news releases
Flood resources
Free notifications that notify you when floodgate operations begin on the Highland Lakes
Current lake levels, dam and floodgate information
River levels — current and forecast conditions
System of 280+ rain/river gauges that provide near real-time data on rainfall, streamflow, river stage, temperature and humidity
More information on how LCRA handles floods in “Flash Flood Alley”
Insights from LCRA Meteorologist Bob Rose
Social media