Summary
Total streamflow across the
Llano River
was last observed at
473
cfs, and is expected to yield approximately
938
acre-ft of water today; about 119%
of normal.
Average streamflow for this time of year is
396 cfs,
with recent peaks last observed
on
2025-07-14 when daily discharge volume was observed at
87,400 cfs.
Maximum discharge along the river is currently at the
Llano Rv At Llano
reporting a streamflow rate of 284 cfs.
However, the streamgauge with the highest stage along the river is the
Llano Rv Nr Mason
with a gauge stage of 5.85 ft.
This river is monitored from 3 different streamgauging stations along the Llano River, the highest being situated at an altitude of 1,641 ft, the
Llano Rv Nr Junction.
River Details
| Last Updated | 2025-12-04 |
| Discharge Volume | 938 ACRE-FT |
| Streamflow |
473.0 cfs
-17.2 cfs (-3.51%) |
| Percent of Normal | 119.34% |
| Maximum |
87,400.0 cfs
2025-07-14 |
| Seasonal Avg | cfs |
River Streamflow Levels
| Streamgauge | Streamflow | Gauge Stage | 24hr Change (%) | % Normal | Minimum (cfs) | Maximum (cfs) | Air Temp | Elevation |
|---|---|---|---|---|---|---|---|---|
|
Llano Rv Nr Junction
USGS 08150000 |
67 cfs | 0.97 ft | -3.18 | |||||
|
Llano Rv Nr Mason
USGS 08150700 |
122 cfs | 5.85 ft | -3.94 | |||||
|
Llano Rv At Llano
USGS 08151500 |
284 cfs | 1.57 ft | -3.4 |
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile
The river has a rich history dating back to the pre-Columbian era, when it was used by Native Americans for irrigation and fishing. Today, the river is used extensively for recreational activities such as fishing, swimming, and kayaking. There are also several reservoirs and dams along the river, including Lake Buchanan, Inks Lake, and the Llano River Dam, which provide hydroelectric power and water for agricultural purposes. The river's hydrology is influenced by the region's weather patterns, which can lead to periods of drought and flooding. Despite these challenges, the Llano River remains an important resource for the communities that rely on it for both economic and environmental reasons.