Is the Llano River flooding?

Texas · 3 gauges · Texas river levels

The Llano River is tracked by 3 USGS streamgauges in Texas. This page compares each gauge’s live water level against its official National Weather Service flood stage, refreshed every 15 minutes, so you can tell whether the Llano River is running normal, rising toward flood stage, or already flooding. 3 of 3 gauges have both a usable water-level reading and a published minor flood stage. Gauges without a published flood stage show water level and flow only. For nearby rivers, see all Texas river levels.

data refreshed 6 min ago

Readings may be delayed; check each observation time below. This gauge summary does not rule out flooding on unmonitored stretches or nearby streets.

River facts

The longest-running gauge on this river is Llano River near Mason, TX. The highest level ever recorded there was 46.00 ft on 14 June 1935, carrying 380,000 cfs. Peak records there go back to 1889 (58 annual peaks). It is currently at 6.22 ft, 39.8 ft below that record.

Drains 3,247 sq mi · gauge elevation 1,226 ft · source: USGS peak-flow record

GaugeStatusStageFlood stageUpdated
Llano River near Junction, TXNo flooding0.69 ft16 ft
Llano River near Mason, TXNo flooding6.22 ft18 ft
Llano River at Llano, TXNo flooding1.71 ft10 ft
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.