Blanco River at Blanco

Highest listed crest 18.36 ftFlood stage 18.0 ft2 crests since 2016

The Blanco River at Blanco crested above flood stage 1 time among the 2 crests the National Weather Service lists from 2016 to 2019. The highest, 18.36 ft on May 8, 2019, was minor flooding, 0.36 feet above flood stage. 4 other gauges on the Blanco River crested above flood stage within a week of it, 2 at their own highest listed crest.

The gauge

Highest listed crest: 18.36 ft; May 8, 2019; 11,625 cubic feet per second
Flood stage: 18.0 ft; Major flooding from 30.0 ft
Crests at major: 0; 1 above flood stage
Most recent flood crest: May 8, 2019; 18.36 ft, minor flooding
Location: Blanco County; Texas
Identifiers: NWS BRBT2; No USGS station

Flood stages

The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.

Flood categories, Blanco River at Blanco

Action stage	14.0	1	Jun 2, 2016	The level at which the NWS or its partners begin to take action
Flood stage (minor)	18.0	1	May 8, 2019	Minimal or no property damage, but possibly some public threat
Moderate flood stage	24.0	0	—	Some inundation of structures and roads near the stream
Major flood stage	30.0	0	—	Extensive inundation of structures and roads

Every listed crest

2 crests from 2016 to 2019. Filled: at or above flood stage. Hover a crest for its date and stage.

These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.

Highest crests

Highest listed crests, Blanco River at Blanco

1	May 8, 2019	18.36	+0.36	Minor	11,625
2	Jun 2, 2016	14.09	−3.91	Action	10,110

The worst floods along the Blanco River

For this gauge's highest crests, the other gauges on the Blanco River that crested above flood stage within a week.

May 8, 2019: 18.36 ft here, minor flooding

San MarcosTX · May 9, 2019 · 24.14 ft · Moderate
Fischer Store Rd near FischerTX · May 8, 2019 · 20.38 ft · Minor · its highest
WimberleyTX · May 9, 2019 · 14.57 ft · Minor
Crabapple RoadTX · May 8, 2019 · 7.01 ft · Minor · its highest

Gauges on the Blanco River

Flood gauges sharing the river's name, linked within 80 miles of one another.

Flood gauges on the Blanco River

Blanco this gauge	TX	18.0	18.36 ft, May 8, 2019	0
Crabapple Road	TX	7.0	7.01 ft, May 8, 2019	0
Fischer Store Rd near Fischer	TX	17.0	20.38 ft, May 8, 2019	0
San Marcos	TX	18.0	43.10 ft, May 24, 2015	2
Wimberley	TX	13.0	44.90 ft, May 24, 2015	6

Other gauges in Blanco County

Flood gauges in Blanco County

Crabapple Road	7.0	7.01 ft, May 8, 2019	0
FM32 near Fischer	12.0	16.72 ft, Oct 14, 2021	0
Johnson City	14.0	42.50 ft, Sep 11, 1952	18

Blanco County: every hazard · River floods across the country · Texas

NOAA National Water Prediction Service, gauge BRBT2, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.