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Trinity River at Dallas, TX (DALT2)


Data Type




Inundation Levels
NAVD88 Stage

426.0* 58.0*
425.0* 57.0*
424.0* 56.0*
423.0* 55.0*
422.0* 54.0*
421.0* 53.0*
Record Crest: 52.6 ft
420.0 52.0
419.0 51.0
418.0 50.0
417.0 49.0
416.0 48.0
415.0 47.0
414.0 46.0
413.0 45.0
412.0 44.0
411.0 43.0
410.0 42.0
409.0 41.0
408.0 40.0

Major Flooding Begins

407.0 39.0
406.0 38.0

Moderate Flooding Begins

405.0 37.0
404.0 36.0
403.0 35.0
402.0 34.0
401.0 33.0
400.0 32.0
399.0 31.0
398.0 30.0
* = Extended rating
Weather Forecast Office Fort Worth, TX West Gulf River Forecast Center

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Current Stage:
15.4 ft at 09/16/2014 08:00:00 UTC
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Inundation Legend Inundation Legend
USGS Gauge Location Gauge Location

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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Map Overlays

Flood Categories (in feet)
Major Flood Stage:40
Moderate Flood Stage:38
Flood Stage:30
Action Stage:29

Historical Crests
(1) 52.60 ft on 05/25/1908
(2) 47.10 ft on 05/03/1990
(3) 46.93 ft on 05/18/1949
(4) 45.56 ft on 04/26/1942
(5) 44.44 ft on 12/20/1991
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(P): Preliminary values subject to further review.

Low Water Records
(1) 1.80 ft on 03/11/1904
(2) 7.61 ft on 08/30/1959
(3) 9.30 ft on 08/01/1937
Show More Low Water Records

Graphical representation of flood inundation for NWS flood categories are based on steady state hydraulic modeling of water surface elevations for incremented discharges. Map shows approximate inundation areas for given water surface elevations and should not be used for navigation or permitting or other legal purposes, but strictly as a planning reference tool.

Extended rating:
Rating Curve Extension - The Rating Curve Extension is calculated by using either a linear, logarithmic, or hydraulic technique to extend the rating curve above the currently established relationship between stage and flow.

Flood Impacts Collapse
If you notice any errors in the below information, please contact our Webmaster
62 The levees near downtown will be topped.
48 The area around the old procter and gamble plant will flood. Persons along the river and in flood prone areas should expect much higher water than normal.
47 Industries along the river south of dallas will be flooded. Evacuation should begin now.
43.5 Major flooding of industrial areas in south dallas can be expected. Oxichem warehouses in south dallas begins flooding.
42 The s.L. & s.W. Railroad and santa fe railroad bridges in south dallas flood.
41 Major flooding is occurring both upstream and downstream from the gage. Dallas city packing 4 miles downstream starts to flood.
40 Major flooding will occur in dallas along the river. Old forest avenue bridge closed. Water reaches the foundation of the oxichem plant 6 miles south of commerce st.
38 Moderate flooding will begin along the river both above and below the commerce street bridge.
35 Some low water crossings inundated with cattle and grazing and low water areas under water.
33 Sylvan avenue north of the commerce st gage starts to flood.
32 Minor flooding of agricultural lands used for cattle grazing will occur. Low water crossings near the river will begin to flood.
30 Minor lowland flooding will begin. The pasture lands near the river will flood.
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Page last modified: 16-Jul-2014 2:12 AM
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Graphical representation of flood inundation for NWS flood categories are based on steady state hydraulic modeling of water surface elevations for incremented discharges. Map shows approximate inundation areas for given water surface elevations and should not be used for navigation or permitting or other legal purposes, but strictly as a planning reference tool.