Major Flood
28 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
23 ft
Minor Flood
20 ft
Action Stage
10 ft
What Floods at Each Level
34 ft
Several tens of homes flood above Smithville in Hidden Valley Estates, Doty River Estates, and Pecan Shores Estates, some to the roofs. Homes flood also below Smithville near Kirtley. Flow reaches near the lowest businesses in Smithville.
30 ft
Major flooding inundates homes five miles upstream in Hidden Valley Estates, three miles upstream in Doty River Estates, one mile upstream in Pecan Shores Estates just above Smithville and in Kirtley below Smithville.
28 ft
Major flooding inundates homes five miles upstream in Hidden Valley Estates, three miles upstream in Doty River Estates, one mile upstream in Pecan Shores Estates just above Smithville and in Kirtley below Smithville.
25 ft
Flow threatens lowest residences five miles upstream at Hidden Valley Estates and three miles upstream at Doty River Estates. Roads and bridges near the river flood and are dangerous to motorists.
23 ft
Moderate lowland flooding extends well into the flood plain inundating lowest homes and bridges below Bastrop to above Columbus.
20 ft
Minor lowland flooding reaches secondary roads and low water crossings near the river
14 ft
Overbank conditions with water covering low areas of the flood plain with no significant impact.
10 ft
Flow exceeds lowest sections of the banks.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Dec 3, 1913 | 47.4 ft | — |
| Jun 15, 1936 | 42.5 ft | 305,000 cfs |
| Jul 26, 1938 | 36.02 ft | — |
Flood Inundation Map
NOAA has mapped what areas flood at different water levels for this gauge. View the interactive flood inundation map →
About This Gauge
USGS Site
NWS LID
SMIT2
River
Colorado River (TX)
County
Bastrop, TX
Coordinates
30.0125°N, 97.1617°W
Get Flood Alerts for Colorado River (TX)
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Colorado River (TX) near Smithville?
The Colorado River (TX) near Smithville gauge is maintained by USGS (site 08159500) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Colorado River (TX) near Smithville?
The NWS-defined flood stage for Colorado River (TX) near Smithville is 20 feet. Action stage begins at 10 feet. Moderate flooding starts at 23 feet, and major flooding at 28 feet.
How do I get alerts when Colorado River (TX) rises?
Download StormCast free on Google Play, go to River Gauges, and add Colorado River (TX) near Smithville to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Colorado River (TX) near Smithville gauge located?
The gauge is located in Bastrop County, Texas at coordinates 30.0125°N, 97.1617°W. USGS site number: 08159500. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- 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.