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Hydrograph River at a Glance Download Inundation
Mapping
Colorado River (TX) near Smithville Stage (ft)Flow (cfs)Observed: 1.54 ft at 4:00PM Oct 09, 2019Observed: 1.52 ft at 5:00PM Oct 09, 2019Observed: 1.51 ft at 6:00PM Oct 09, 2019Observed: 1.49 ft at 7:00PM Oct 09, 2019Observed: 1.48 ft at 8:00PM Oct 09, 2019Observed: 1.46 ft at 9:00PM Oct 09, 2019Observed: 1.45 ft at 10:00PM Oct 09, 2019Observed: 1.44 ft at 11:00PM Oct 09, 2019Observed: 1.44 ft at 12:00AM Oct 10, 2019Observed: 1.44 ft at 1:00AM Oct 10, 2019Observed: 1.45 ft at 2:00AM Oct 10, 2019Observed: 1.45 ft at 3:00AM Oct 10, 2019Observed: 1.48 ft at 4:00AM Oct 10, 2019Observed: 1.5 ft at 5:00AM Oct 10, 2019Observed: 1.52 ft at 6:00AM Oct 10, 2019Observed: 1.54 ft at 7:00AM Oct 10, 2019Observed: 1.56 ft at 8:00AM Oct 10, 2019Observed: 1.56 ft at 9:00AM Oct 10, 2019Highest Observation: 1.57 ft at 10:00AM Oct 10, 2019Highest Observation: 1.57 ft at 11:00AM Oct 10, 2019Observed: 1.56 ft at 12:00PM Oct 10, 2019Observed: 1.56 ft at 1:00PM Oct 10, 2019Observed: 1.55 ft at 2:00PM Oct 10, 2019Observed: 1.54 ft at 3:00PM Oct 10, 2019Observed: 1.52 ft at 4:00PM Oct 10, 2019Observed: 1.5 ft at 5:00PM Oct 10, 2019Observed: 1.5 ft at 6:00PM Oct 10, 2019Observed: 1.49 ft at 7:00PM Oct 10, 2019Observed: 1.47 ft at 8:00PM Oct 10, 2019Observed: 1.45 ft at 9:00PM Oct 10, 2019Observed: 1.45 ft at 10:00PM Oct 10, 2019Observed: 1.44 ft at 11:00PM Oct 10, 2019Observed: 1.42 ft at 12:00AM Oct 11, 2019Observed: 1.41 ft at 1:00AM Oct 11, 2019Observed: 1.4 ft at 2:00AM Oct 11, 2019Observed: 1.39 ft at 3:00AM Oct 11, 2019Observed: 1.39 ft at 4:00AM Oct 11, 2019Observed: 1.38 ft at 5:00AM Oct 11, 2019Observed: 1.43 ft at 6:00AM Oct 11, 2019Observed: 1.41 ft at 7:00AM Oct 11, 2019Observed: 1.41 ft at 8:00AM Oct 11, 2019Observed: 1.42 ft at 9:00AM Oct 11, 2019Observed: 1.44 ft at 10:00AM Oct 11, 2019Observed: 1.45 ft at 11:00AM Oct 11, 2019Observed: 1.47 ft at 12:00PM Oct 11, 2019Observed: 1.48 ft at 1:00PM Oct 11, 2019Observed: 1.51 ft at 2:00PM Oct 11, 2019Observed: 1.51 ft at 3:00PM Oct 11, 2019Observed: 1.53 ft at 4:00PM Oct 11, 2019Observed: 1.54 ft at 5:00PM Oct 11, 2019Observed: 1.54 ft at 6:00PM Oct 11, 2019Observed: 1.54 ft at 7:00PM Oct 11, 2019Observed: 1.54 ft at 8:00PM Oct 11, 2019Observed: 1.54 ft at 9:00PM Oct 11, 2019Observed: 1.53 ft at 10:00PM Oct 11, 2019Observed: 1.51 ft at 11:00PM Oct 11, 2019Observed: 1.49 ft at 12:00AM Oct 12, 2019Observed: 1.49 ft at 1:00AM Oct 12, 2019Observed: 1.47 ft at 2:00AM Oct 12, 2019Observed: 1.45 ft at 3:00AM Oct 12, 2019Observed: 1.44 ft at 4:00AM Oct 12, 2019Observed: 1.43 ft at 5:00AM Oct 12, 2019Observed: 1.42 ft at 6:00AM Oct 12, 2019Observed: 1.41 ft at 7:00AM Oct 12, 2019Observed: 1.39 ft at 8:00AM Oct 12, 2019Observed: 1.39 ft at 9:00AM Oct 12, 2019Observed: 1.39 ft at 10:00AM Oct 12, 2019Observed: 1.39 ft at 11:00AM Oct 12, 2019Observed: 1.4 ft at 12:00PM Oct 12, 2019Observed: 1.41 ft at 1:00PM Oct 12, 2019Observed: 1.43 ft at 2:00PM Oct 12, 2019Observed: 1.44 ft at 3:00PM Oct 12, 2019Observed: 1.45 ft at 4:00PM Oct 12, 2019Observed: 1.46 ft at 5:00PM Oct 12, 2019Observed: 1.47 ft at 6:00PM Oct 12, 2019Observed: 1.47 ft at 7:00PM Oct 12, 2019Observed: 1.46 ft at 8:00PM Oct 12, 2019Observed: 1.47 ft at 9:00PM Oct 12, 2019Observed: 1.46 ft at 10:00PM Oct 12, 2019Observed: 1.44 ft at 11:00PM Oct 12, 2019Observed: 1.44 ft at 12:00AM Oct 13, 2019Observed: 1.43 ft at 1:00AM Oct 13, 2019Observed: 1.42 ft at 2:00AM Oct 13, 2019Observed: 1.41 ft at 3:00AM Oct 13, 2019Observed: 1.4 ft at 4:00AM Oct 13, 2019Observed: 1.39 ft at 5:00AM Oct 13, 2019Observed: 1.38 ft at 6:00AM Oct 13, 2019Observed: 1.37 ft at 7:00AM Oct 13, 2019Observed: 1.37 ft at 8:00AM Oct 13, 2019Observed: 1.37 ft at 9:00AM Oct 13, 2019Observed: 1.37 ft at 10:00AM Oct 13, 2019Observed: 1.37 ft at 11:00AM Oct 13, 2019Observed: 1.38 ft at 12:00PM Oct 13, 2019Observed: 1.39 ft at 1:00PM Oct 13, 2019Observed: 1.41 ft at 2:00PM Oct 13, 2019Observed: 1.43 ft at 3:00PM Oct 13, 2019Observed: 1.44 ft at 4:00PM Oct 13, 2019Observed: 1.45 ft at 5:00PM Oct 13, 2019Observed: 1.46 ft at 6:00PM Oct 13, 2019Observed: 1.47 ft at 7:00PM Oct 13, 2019Observed: 1.47 ft at 8:00PM Oct 13, 2019Observed: 1.47 ft at 9:00PM Oct 13, 2019Observed: 1.46 ft at 10:00PM Oct 13, 2019Observed: 1.46 ft at 11:00PM Oct 13, 2019Observed: 1.45 ft at 12:00AM Oct 14, 2019Observed: 1.44 ft at 1:00AM Oct 14, 2019Observed: 1.43 ft at 2:00AM Oct 14, 2019Observed: 1.41 ft at 3:00AM Oct 14, 2019Observed: 1.41 ft at 4:00AM Oct 14, 2019Observed: 1.4 ft at 5:00AM Oct 14, 2019Observed: 1.38 ft at 6:00AM Oct 14, 2019Observed: 1.38 ft at 7:00AM Oct 14, 2019Observed: 1.36 ft at 8:00AM Oct 14, 2019Observed: 1.36 ft at 9:00AM Oct 14, 2019Observed: 1.35 ft at 10:00AM Oct 14, 2019Observed: 1.34 ft at 11:00AM Oct 14, 2019Observed: 1.34 ft at 12:00PM Oct 14, 2019Observed: 1.34 ft at 1:00PM Oct 14, 2019Observed: 1.33 ft at 2:00PM Oct 14, 2019Forecast: 1.4 ft 4:00PM Oct 14, 2019Forecast: 1.4 ft 5:00PM Oct 14, 2019Forecast: 1.4 ft 6:00PM Oct 14, 2019Forecast: 1.4 ft 7:00PM Oct 14, 2019Forecast: 1.4 ft 8:00PM Oct 14, 2019Forecast: 1.4 ft 9:00PM Oct 14, 2019Forecast: 1.4 ft 10:00PM Oct 14, 2019Forecast: 1.4 ft 11:00PM Oct 14, 2019Forecast: 1.4 ft 12:00AM Oct 15, 2019Forecast: 1.4 ft 1:00AM Oct 15, 2019Highest Forecast: 1.5 ft 2:00AM Oct 15, 2019Highest Forecast: 1.5 ft 3:00AM Oct 15, 2019Highest Forecast: 1.5 ft 4:00AM Oct 15, 2019Highest Forecast: 1.5 ft 5:00AM Oct 15, 2019Highest Forecast: 1.5 ft 6:00AM Oct 15, 2019Forecast: 1.4 ft 7:00AM Oct 15, 2019Forecast: 1.4 ft 8:00AM Oct 15, 2019Forecast: 1.4 ft 9:00AM Oct 15, 2019Forecast: 1.4 ft 10:00AM Oct 15, 2019Forecast: 1.4 ft 11:00AM Oct 15, 2019Forecast: 1.4 ft 12:00PM Oct 15, 2019Forecast: 1.4 ft 1:00PM Oct 15, 2019Forecast: 1.4 ft 2:00PM Oct 15, 2019Forecast: 1.4 ft 3:00PM Oct 15, 2019Forecast: 1.4 ft 4:00PM Oct 15, 2019Forecast: 1.4 ft 5:00PM Oct 15, 2019Forecast: 1.4 ft 6:00PM Oct 15, 2019Forecast: 1.4 ft 7:00PM Oct 15, 2019Forecast: 1.4 ft 8:00PM Oct 15, 2019Forecast: 1.4 ft 9:00PM Oct 15, 2019Forecast: 1.4 ft 10:00PM Oct 15, 2019Forecast: 1.4 ft 11:00PM Oct 15, 2019Forecast: 1.4 ft 12:00AM Oct 16, 2019Forecast: 1.4 ft 1:00AM Oct 16, 2019Forecast: 1.4 ft 2:00AM Oct 16, 2019Forecast: 1.4 ft 3:00AM Oct 16, 2019Forecast: 1.4 ft 4:00AM Oct 16, 2019Forecast: 1.4 ft 5:00AM Oct 16, 2019Forecast: 1.4 ft 6:00AM Oct 16, 2019Highest Forecast: 1.5 ft 7:00AM Oct 16, 2019Highest Forecast: 1.5 ft 8:00AM Oct 16, 2019Highest Forecast: 1.5 ft 9:00AM Oct 16, 2019Highest Forecast: 1.5 ft 10:00AM Oct 16, 2019Highest Forecast: 1.5 ft 11:00AM Oct 16, 2019Forecast: 1.4 ft 12:00PM Oct 16, 2019Forecast: 1.4 ft 1:00PM Oct 16, 2019Forecast: 1.4 ft 2:00PM Oct 16, 2019Forecast: 1.4 ft 3:00PM Oct 16, 2019Forecast: 1.4 ft 4:00PM Oct 16, 2019Forecast: 1.4 ft 5:00PM Oct 16, 2019Forecast: 1.4 ft 6:00PM Oct 16, 2019Forecast: 1.4 ft 7:00PM Oct 16, 2019Forecast: 1.4 ft 8:00PM Oct 16, 2019Forecast: 1.4 ft 9:00PM Oct 16, 2019Forecast: 1.4 ft 10:00PM Oct 16, 2019Forecast: 1.4 ft 11:00PM Oct 16, 2019Forecast: 1.4 ft 12:00AM Oct 17, 2019Forecast: 1.4 ft 1:00AM Oct 17, 2019Forecast: 1.4 ft 2:00AM Oct 17, 2019Forecast: 1.4 ft 3:00AM Oct 17, 2019Forecast: 1.4 ft 4:00AM Oct 17, 2019Forecast: 1.4 ft 5:00AM Oct 17, 2019Forecast: 1.4 ft 6:00AM Oct 17, 2019Highest Forecast: 1.5 ft 7:00AM Oct 17, 2019Highest Forecast: 1.5 ft 8:00AM Oct 17, 2019Highest Forecast: 1.5 ft 9:00AM Oct 17, 2019Highest Forecast: 1.5 ft 10:00AM Oct 17, 2019Highest Forecast: 1.5 ft 11:00AM Oct 17, 2019Highest Forecast: 1.5 ft 12:00PM Oct 17, 2019Highest Forecast: 1.5 ft 1:00PM Oct 17, 2019Highest Forecast: 1.5 ft 2:00PM Oct 17, 2019Highest Forecast: 1.5 ft 3:00PM Oct 17, 2019Highest Forecast: 1.5 ft 4:00PM Oct 17, 2019Highest Forecast: 1.5 ft 5:00PM Oct 17, 2019Highest Forecast: 1.5 ft 6:00PM Oct 17, 2019Highest Forecast: 1.5 ft 7:00PM Oct 17, 2019Highest Forecast: 1.5 ft 8:00PM Oct 17, 2019Highest Forecast: 1.5 ft 9:00PM Oct 17, 2019Highest Forecast: 1.5 ft 10:00PM Oct 17, 2019Forecast: 1.4 ft 11:00PM Oct 17, 2019Forecast: 1.4 ft 12:00AM Oct 18, 2019Forecast: 1.4 ft 1:00AM Oct 18, 2019Forecast: 1.4 ft 2:00AM Oct 18, 2019Forecast: 1.4 ft 3:00AM Oct 18, 2019Forecast: 1.4 ft 4:00AM Oct 18, 2019Forecast: 1.4 ft 5:00AM Oct 18, 2019Forecast: 1.4 ft 6:00AM Oct 18, 2019Forecast: 1.4 ft 7:00AM Oct 18, 2019Forecast: 1.4 ft 8:00AM Oct 18, 2019Forecast: 1.4 ft 9:00AM Oct 18, 2019Forecast: 1.4 ft 10:00AM Oct 18, 2019Forecast: 1.4 ft 11:00AM Oct 18, 2019Forecast: 1.4 ft 12:00PM Oct 18, 2019Forecast: 1.4 ft 1:00PM Oct 18, 2019Highest Forecast: 1.5 ft 2:00PM Oct 18, 2019Highest Forecast: 1.5 ft 3:00PM Oct 18, 2019Highest Forecast: 1.5 ft 4:00PM Oct 18, 2019Highest Forecast: 1.5 ft 5:00PM Oct 18, 2019Highest Forecast: 1.5 ft 6:00PM Oct 18, 2019Highest Forecast: 1.5 ft 7:00PM Oct 18, 2019Highest Forecast: 1.5 ft 8:00PM Oct 18, 2019Highest Forecast: 1.5 ft 9:00PM Oct 18, 2019Highest Forecast: 1.5 ft 10:00PM Oct 18, 2019Highest Forecast: 1.5 ft 11:00PM Oct 18, 2019Highest Forecast: 1.5 ft 12:00AM Oct 19, 2019Highest Forecast: 1.5 ft 1:00AM Oct 19, 2019Highest Forecast: 1.5 ft 2:00AM Oct 19, 2019Highest Forecast: 1.5 ft 3:00AM Oct 19, 2019Highest Forecast: 1.5 ft 4:00AM Oct 19, 2019Highest Forecast: 1.5 ft 5:00AM Oct 19, 2019Forecast: 1.4 ft 6:00AM Oct 19, 2019Forecast: 1.4 ft 7:00AM Oct 19, 2019USGS--Water Resources of the United StatesSMIT2(plotting HGIRZ) Graph Created (3:03PM Oct 14, 2019)ObservedForecast (issued 8:44AM Oct 14)Latest observed value: 1.33 ft at 2:00 PM CDT 14-Oct-2019. Flood Stage is 20 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: 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.

NOTE: Forecasts for the Colorado River (TX) near Smithville are issued routinely year-round.

Return to Area Map
Upstream Gauge - at Bastrop Upstream Gauge Downstream Gauge Downstream Gauge - above La Grange
Flood Categories (in feet)
Major Flood Stage: 28
Moderate Flood Stage: 23
Flood Stage: 20
Action Stage: 10
Low Stage (in feet): -9999

Historic Crests
(1) 47.40 ft on 12/04/1913
(2) 42.50 ft on 06/16/1936
(3) 36.02 ft on 07/27/1938
(4) 34.75 ft on 10/18/1998
(5) 31.91 ft on 08/28/2017
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 31.91 ft on 08/28/2017
(2) 30.09 ft on 05/28/2016
(3) 30.02 ft on 11/01/2015 (P)
(4) 29.87 ft on 05/27/2015
(5) 27.85 ft on 11/23/2004
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
34 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 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 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 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 Moderate lowland flooding extends well into the flood plain inundating lowest homes and bridges below Bastrop to above Columbus.
20 Minor lowland flooding reaches secondary roads and low water crossings near the river
14 Overbank conditions with water covering low areas of the flood plain with no significant impact.
10 Flow exceeds lowest sections of the banks.
About This Location Collapse

Latitude: 30.012500° N, Longitude: 97.161667° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 20 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 270.14 ft 290.14 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Austin/San Antonio Weather Forecast Office
2090 Airport Rd.
New Braunfels, TX 78130
(830) 629-0130
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