Rivers in Texas

Sandy Creek near Kingsland

Llano County, TexasNWS KNLT2USGS 08152000New Braunfels office

Below flood stage
4.77ftStage

Observed Tue, Sep 22, 4:00 AM CDT

Flood stage
12.00 ft
Record crest
34.20 ft1952

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood20.00 ft
Moderate flood14.00 ft
Minor flood12.00 ft
Action8.00 ft
  1. 30.00 ftLife threatening flow down Sandy and Walnut Creeks will put water to the roofs of homes in Sandy Harbor in minutes. Destruction of boats, jet skis, docks, marinas and any facilities in the flood plain in Sandy Harbor and Sunrise Beach will be disastrous. Roads and bridges near the river will be extremely dangerous.
  2. 27.00 ftFlow will be life threatening below Highway 71 in Sandy Harbor and Sunrise Beach. Lowest homes will have several feet of water through them. Docks and boats will be severely damaged. Flow exceeds the USGS 1:100 year flood level.
  3. 24.00 ftLowest homes below Highway 71 in Sandy Harbor and Sunrise Beach will flood. Residents should prepare to evacuate as emergency officials assess the threat. Boats and docks will be severely damaged. Near the USGS 1:100 year flood level.
  4. 20.00 ftMajor flooding will approach the lowest homes in Sandy Harbor. Depending on additional runoff down Walnut Creek, boats, docks and facilities along the Lower Sandy Creek banks in Sandy Harbor and Sunrise Beach will flood severely. Flow exceeds USGS 1:25 year flood level.
  5. 17.00 ftFlow will be well into the flood plain above Highway 71 to Lake LBJ. Residents of flood prone areas in Sandy Harbor should monitor NOAA Weather Radio for developing heavy rain and flood conditions. Flow will threaten lowest homes in Sandy Harbor. Boats and docks will be severely flooded and damaged. Flow exceeds USGS 1:10 year flood level.
  6. 14.00 ftModerate lowland flooding will extends well into the flood plain damaging docks, boats and property in low areas of the flood plain downstream in Kingsland. Flow exceeds USGS 1:5 year flood level.
  7. 12.00 ftLowland flooding will threaten lowest boats at sandy harbor and sunrise beach at the lower end of sandy creek.
  8. 10.00 ftFlow exceeds lowest banks. Near the usgs 1:2 year flood level
  9. 8.00 ftFlow exceeds lowest areas of banks

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor flooding8%
Moderate flooding5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 28, 2026.

Crest history

7 crests on NOAA’s list since 1952.

#DateStage
1September 11, 195234.20 ft
2May 30, 199531.50 ft
3October 16, 201819.88 ft
4December 20, 199117.62 ft
5June 27, 200715.20 ft
6May 31, 201613.01 ft
7May 25, 201511.50 ft

Most recent crests

  • October 16, 2018: 19.88 ft
  • May 31, 2016: 13.01 ft
  • May 25, 2015: 11.50 ft
  • June 27, 2007: 15.20 ft
  • May 30, 1995: 31.50 ft
  • December 20, 1991: 17.62 ft
  • September 11, 1952: 34.20 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the West Gulf River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.