How high is the Llano Rv at Llano, TX right now?

The Llano Rv at Llano, TX is currently flowing at 848 cubic feet per second with a gage height of 3.01 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Llano Rv at Llano, TX normal for this time of year?

Current flow is classified as high for June 11. Today's discharge is at the 86th percentile compared to the long-term historical record at this gauge.

Is the Llano Rv at Llano, TX at flood stage?

No — the gage height is 6.99 feet below the NWS flood-stage threshold of 10.0 feet.

What is the historical median flow for the Llano Rv at Llano, TX on June 11?

The long-term median discharge for this date is 148 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 36 to 1,300 cfs.

Where is the Llano Rv at Llano, TX stream gauge located?

The Llano Rv at Llano, TX stream gauge is operated by the USGS in Llano County, TX on the Llano River. USGS site number 08151500 (coordinates 30.7513, -98.6698).

Llano Rv at Llano, TX

USGS Site No: 08151500 • Llano River • Llano County, TX

Llano Rv at Llano, TX on the Llano River is currently at 848 cfs (High — 86th percentile for this date) . Gage height: 3.01 ft.

Reading from 1 week ago

↑ Upstream on Llano River

Llano Rv near Mason, TX

848

CFS Discharge

3.01

Gage Height (ft)

High

Flow Condition

Normal

Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for June 11 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.

Percentile	Label	CFS Threshold	Today's Flow
10th	Very Low threshold	36
25th	Low threshold	67
50th (Median)	Normal (median)	148
75th	High threshold	328
95th	Very High threshold	1,300	Today: 848 cfs

30-Day Hydrograph

Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.

10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date	Discharge (CFS)	Gage Ht (ft)
May 28, 2026	1,450	3.67
May 27, 2026	2,920	4.65
May 26, 2026	801	2.95
May 25, 2026	890	3.06
May 24, 2026	1,420	3.64
May 23, 2026	3,140	4.75
May 22, 2026	5,960	5.99
May 21, 2026	1,050	2.84
May 20, 2026	627	2.69
May 19, 2026	813	2.02
May 18, 2026	35	1.22
May 17, 2026	43	1.31
May 16, 2026	56	1.42
May 15, 2026	75	1.56
Apr 20, 2026	76	1.35
Apr 19, 2026	57	1.23
Apr 18, 2026	79	1.37
Apr 17, 2026	114	1.55
Apr 16, 2026	170	1.76
Apr 15, 2026	197	1.89
Apr 14, 2026	271	2.12
Apr 13, 2026	264	2.09
Apr 12, 2026	67	1.47
Apr 11, 2026	12	0.85
Apr 10, 2026	13	0.86
Apr 9, 2026	14	0.86
Apr 8, 2026	18	0.93
Apr 7, 2026	25	1.02
Apr 6, 2026	36	1.17
Apr 5, 2026	58	1.36

Station Information

USGS Site No: 08151500
State: TX
County: Llano County
Coordinates: 30.7513, -98.6698
Drainage Area: 4,197 mi²
Datum (ft): 970.1
HUC Code: 12090204

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 10.0 ft
Flood Stage: 10.0 ft
Moderate Flood: 12.0 ft
Major Flood: 23.0 ft

Currently 6.99 ft below flood stage.

Recent Extremes

Max discharge: 42,800 cfs

Jul 4, 2025
Min discharge: 9 cfs

Apr 1, 2026
Days at flood stage: 3

Computed from the local daily-values archive.

Nearby Gauges

Sandy Ck near Kingsland, TX
17.8 mi · 206 cfs

High
Beaver Ck near Mason, TX
26.4 mi · 5 cfs

Normal
Llano Rv near Mason, TX
26.8 mi · 406 cfs

High
San Saba Rv at San Saba, TX
32.1 mi · 260 cfs

High
Colorado Rv near San Saba, TX
32.8 mi · 637 cfs

Normal