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Hydrograph River at a Glance Download Inundation
Mapping
San Jacinto River near Sheldon Stage (ft)Flow (kcfs)Observed: 2.01 ft at 11:05AM Sep 30, 2022Observed: 1.92 ft at 12:45PM Sep 30, 2022Observed: 1.79 ft at 1:25PM Sep 30, 2022Observed: 1.68 ft at 1:45PM Sep 30, 2022Observed: 1.57 ft at 2:05PM Sep 30, 2022Observed: 1.46 ft at 2:25PM Sep 30, 2022Observed: 1.35 ft at 2:50PM Sep 30, 2022Observed: 1.25 ft at 3:05PM Sep 30, 2022Observed: 1.15 ft at 3:30PM Sep 30, 2022Observed: 1 ft at 4:00PM Sep 30, 2022Observed: 0.78 ft at 5:05PM Sep 30, 2022Observed: 0.64 ft at 6:05PM Sep 30, 2022Observed: 0.57 ft at 7:05PM Sep 30, 2022Observed: 0.53 ft at 7:55PM Sep 30, 2022Observed: 0.63 ft at 9:15PM Sep 30, 2022Observed: 0.74 ft at 9:40PM Sep 30, 2022Observed: 0.85 ft at 9:55PM Sep 30, 2022Observed: 0.97 ft at 10:15PM Sep 30, 2022Observed: 1.07 ft at 10:30PM Sep 30, 2022Observed: 1.31 ft at 11:05PM Sep 30, 2022Observed: 1.42 ft at 11:25PM Sep 30, 2022Observed: 1.52 ft at 11:45PM Sep 30, 2022Observed: 1.62 ft at 12:00AM Oct 01, 2022Observed: 1.73 ft at 12:20AM Oct 01, 2022Observed: 1.84 ft at 12:40AM Oct 01, 2022Observed: 1.94 ft at 1:00AM Oct 01, 2022Observed: 2.05 ft at 1:30AM Oct 01, 2022Observed: 2.15 ft at 2:05AM Oct 01, 2022Highest Observation: 2.17 ft at 3:05AM Oct 01, 2022Observed: 2.05 ft at 6:05AM Oct 01, 2022Observed: 2 ft at 7:05AM Oct 01, 2022Observed: 1.94 ft at 9:35AM Oct 01, 2022Observed: 1.83 ft at 10:40AM Oct 01, 2022Observed: 1.79 ft at 11:05AM Oct 01, 2022Observed: 1.72 ft at 11:25AM Oct 01, 2022Observed: 1.62 ft at 12:05PM Oct 01, 2022Observed: 1.52 ft at 12:40PM Oct 01, 2022Observed: 1.41 ft at 1:05PM Oct 01, 2022Observed: 1.29 ft at 1:35PM Oct 01, 2022Observed: 1.18 ft at 2:05PM Oct 01, 2022Observed: 1.07 ft at 2:45PM Oct 01, 2022Observed: 0.97 ft at 3:05PM Oct 01, 2022Observed: 0.85 ft at 3:35PM Oct 01, 2022Observed: 0.75 ft at 4:05PM Oct 01, 2022Observed: 0.63 ft at 4:35PM Oct 01, 2022Observed: 0.53 ft at 5:15PM Oct 01, 2022Observed: 0.4 ft at 5:55PM Oct 01, 2022Observed: 0.32 ft at 7:05PM Oct 01, 2022Observed: 0.29 ft at 7:15PM Oct 01, 2022Observed: 0.4 ft at 10:30PM Oct 01, 2022Observed: 0.51 ft at 10:50PM Oct 01, 2022Observed: 0.58 ft at 11:05PM Oct 01, 2022Observed: 0.62 ft at 11:15PM Oct 01, 2022Observed: 0.72 ft at 11:30PM Oct 01, 2022Observed: 0.83 ft at 11:50PM Oct 01, 2022Observed: 0.93 ft at 12:05AM Oct 02, 2022Observed: 1.04 ft at 12:25AM Oct 02, 2022Observed: 1.14 ft at 12:45AM Oct 02, 2022Observed: 1.24 ft at 1:00AM Oct 02, 2022Observed: 1.34 ft at 1:20AM Oct 02, 2022Observed: 1.44 ft at 1:45AM Oct 02, 2022Observed: 1.55 ft at 2:05AM Oct 02, 2022Observed: 1.65 ft at 2:30AM Oct 02, 2022Observed: 1.75 ft at 3:00AM Oct 02, 2022Observed: 1.76 ft at 3:05AM Oct 02, 2022Observed: 1.85 ft at 3:50AM Oct 02, 2022Observed: 1.95 ft at 5:15AM Oct 02, 2022Observed: 2.06 ft at 6:05AM Oct 02, 2022Observed: 2.14 ft at 7:05AM Oct 02, 2022Observed: 1.95 ft at 8:15AM Oct 02, 2022Observed: 1.85 ft at 8:50AM Oct 02, 2022Observed: 1.75 ft at 10:20AM Oct 02, 2022Observed: 1.73 ft at 11:05AM Oct 02, 2022Observed: 1.64 ft at 11:35AM Oct 02, 2022Observed: 1.54 ft at 12:20PM Oct 02, 2022Observed: 1.43 ft at 1:05PM Oct 02, 2022Observed: 1.31 ft at 1:35PM Oct 02, 2022Observed: 1.2 ft at 2:10PM Oct 02, 2022Observed: 1.1 ft at 2:55PM Oct 02, 2022Observed: 1.11 ft at 3:05PM Oct 02, 2022Observed: 0.99 ft at 3:40PM Oct 02, 2022Observed: 0.88 ft at 4:15PM Oct 02, 2022Observed: 0.77 ft at 4:45PM Oct 02, 2022Observed: 0.65 ft at 5:30PM Oct 02, 2022Observed: 0.54 ft at 6:25PM Oct 02, 2022Observed: 0.44 ft at 7:05PM Oct 02, 2022Observed: 0.33 ft at 7:45PM Oct 02, 2022Observed: 0.23 ft at 8:35PM Oct 02, 2022Observed: 0.13 ft at 9:15PM Oct 02, 2022Observed: 0.08 ft at 11:05PM Oct 02, 2022Observed: 0.24 ft at 11:50PM Oct 02, 2022Observed: 0.34 ft at 12:10AM Oct 03, 2022Observed: 0.46 ft at 12:25AM Oct 03, 2022Observed: 0.57 ft at 12:45AM Oct 03, 2022Observed: 0.68 ft at 1:00AM Oct 03, 2022Observed: 0.79 ft at 1:15AM Oct 03, 2022Observed: 0.9 ft at 1:35AM Oct 03, 2022Observed: 1 ft at 1:50AM Oct 03, 2022Observed: 1.11 ft at 2:05AM Oct 03, 2022Observed: 1.21 ft at 2:20AM Oct 03, 2022Observed: 1.32 ft at 2:45AM Oct 03, 2022Observed: 1.44 ft at 3:05AM Oct 03, 2022Observed: 1.55 ft at 3:25AM Oct 03, 2022Observed: 1.65 ft at 3:50AM Oct 03, 2022Observed: 1.76 ft at 4:15AM Oct 03, 2022Observed: 1.86 ft at 4:45AM Oct 03, 2022Observed: 1.97 ft at 5:25AM Oct 03, 2022Observed: 2.06 ft at 7:05AM Oct 03, 2022Observed: 2.08 ft at 8:20AM Oct 03, 2022Observed: 1.97 ft at 9:50AM Oct 03, 2022USGS--Water Resources of the United StatesSHLT2(plotting HGIRR) Graph Created (10:22AM Oct 3, 2022)ObservedLatest observed value: 1.97 ft at 9:50 AM CDT 3-Oct-2022. Flood Stage is 10 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 San Jacinto River near Sheldon are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Lake Houston Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 15
Moderate Flood Stage: 13
Flood Stage: 10
Action Stage: 8
Low Stage (in feet): -9999

Historic Crests
(1) 28.72 ft on 08/29/2017
(2) 28.07 ft on 10/19/1994
(3) 21.10 ft on 06/15/1973
(4) 21.08 ft on 05/19/1989
(5) 20.85 ft on 11/15/1998
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 19.37 ft on 09/20/2019 (P)
(2) 10.45 ft on 05/08/2019
(3) 28.72 ft on 08/29/2017
(4) 19.33 ft on 05/30/2016
(5) 15.64 ft on 04/21/2016
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) -2.52 ft on 10/28/1985
(2) -2.48 ft on 03/06/1989
(3) -2.23 ft on 12/24/1989
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:16
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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
15 Major lowland flooding begins.
13 Moderate lowland flooding begins with widespread inundation of the flood plain.
10 Minor lowland flooding begins.
About This Location Collapse

Latitude: 29.876111° N, Longitude: 95.093611° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 10 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 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other NULL NULL  

Current/Historical Observations:

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NWS Information
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Houston/Galveston Weather Forecast Office
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Dickinson, TX 77539
(281) 337-5074
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Page last modified: 2-Nov-2020 7:29 PM
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