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Hydrograph River at a Glance Download
Trinity River near Moss Bluff Stage (ft)Flow (kcfs)USGS--Water Resources of the United StatesMBFT2(plotting HGIRG) Graph Created (11:07PM Oct 22, 2017)ObservedLatest observed value: 2.32 ft at 9:30 AM CDT 17-Oct-2017. Flood Stage is 12.2 ft
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Tabular Data (UTC)
Tabular Data (CDT)
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Datum: Not Available
NOTE: Forecasts for the Trinity River near Moss Bluff are issued as needed during times of high water, but are not routinely available.
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Upstream Gauge - at Liberty Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 17.2
Moderate Flood Stage: 15.2
Flood Stage: 12.2
Action Stage: 9.2
Low Stage (in feet): 0

Historic Crests
(1) 15.15 ft on 06/03/2016
(2) 14.88 ft on 06/04/2015
(3) 14.80 ft on 05/18/2004
(4) 14.70 ft on 03/05/1992
(5) 14.60 ft on 11/04/2009
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(P): Preliminary values subject to further review.

Recent Crests
(1) 15.15 ft on 06/03/2016
(2) 14.25 ft on 03/17/2016
(3) 14.88 ft on 06/04/2015
(4) 14.11 ft on 03/17/2015
(5) 12.32 ft on 03/26/2010
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(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to

Zoom Level:16
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Gauge LocationGauge Map Marker
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.
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If you notice any errors in the below information, please contact our Webmaster
17.2 Major lowland flooding bengins in the vicinity of the gage.
15.2 Moderate lowland flooding begins in the vicinity of the gage.
12.2 Minor lowland flooding begins in the vicinity of the gage.
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Latitude: 29.963889° N, Longitude: 94.776389° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 12.2 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available 12.2 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available 15.0 Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks

Current/Historical Observations:

Additional Information Collapse
The datum of this gauge changed from 0 feet NGVD29 to 0 feet NAVD88 on November 15, 2013. This change became effective on March 1, 2014 and required an adjustment of action and flood stages as well as historical data.
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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
Houston/Galveston Weather Forecast Office
1353 FM 646, Suite 202
Dickinson, TX 77539
(281) 337-5074
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Page last modified: 21-Dec-2016 5:20 PM
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