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No flow in the Llano River

Llano River at Kingsland Slab

The Kingsland Slab is bone-dry on Sept. 6, an indication of the Llano River's dismal flow. No water from the river is reaching Lake LBJ. Staff photo by Dakota Morrissiey

The Llano River ceased flowing over the Llano City Dam around Aug. 23, cutting off the last contributing water supply to the Highland Lakes this summer. This is the second summer in a row that the river has ceased to flow due to extreme drought conditions.

The Highland Lakes are currently receiving zero inflows from any source, according to the Lower Colorado River Authority’s Hydromet data and river reports.

Llano River discharges
A graph from the U.S. Geological Survey shows a comparison of flow in the Llano River in summer 2022 and summer 2023. While last year was drier for longer, the river is remaining stagnant deeper into this year. Graph courtesy of USGS

Further data from the U.S. Geological Survey shows the Llano River is drier this time of year than it was last year. While the river was at dismal levels mid-June through mid-August in 2022, it rebounded by late August and gained strong flows, even flooding by the end of the month. The river has been bone-dry beyond the Llano City Dam since Wednesday, Sept. 6.

The weather forecast has rain in the immediate future, but not much. October is traditionally the wettest month of the year in the Highland Lakes, according to the USGS. An El Niño climate pattern that developed in June could mean an above-average, or at least average, month of rainfall as summer comes to an end.

1 thought on “No flow in the Llano River

  1. Seems to me like a billionaire wanting a personal dam for a massive pool upriver makes perfect sense.

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