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Stream Elevation Sensor 719
720 San Jacinto River @ US 90
Sensor ID 719
Sensor Type USGS Radar
Installed 4/20/1983
Flooding Likely 10.00'
Flooding Possible 7.00'
Bottom of Stream -17.50'
Tip of Orifice 34.12'
Measuring Plate 34.26'
External Link USGS
Water Level Forecast Information NWS
Benchmark 31.53'
RM 070135 stamped TXDOT located on the downstream wingwall at the south end of bridge, 1988 NAVD, 2001 adjustment. 78 to 01 Adjustment -0.2'
As of July 1, 2007, the elevation datum was changed from 1929 NGVD, 1978 adjustment to the 1988 NAVD, 2001 adjustment.

The Stream Elevation  chart showing Stream Elevation Left series.
Cross Section
Stream Elevation for sensor 719 is 12.54'
Reading on 5/2/2024 9:46 PM
Export to Excel
1 Hour
Sensor
Reading Date
Elevation
7195/2/2024 9:46 PM12.54'
7195/2/2024 9:30 PM12.49'
7195/2/2024 9:22 PM12.51'
7195/2/2024 9:16 PM12.43'
7195/2/2024 9:04 PM12.41'
7195/2/2024 9:00 PM12.40'
Flood Frequency
Elevation
10% (10-year)14.80'
2% (50-year)20.60'
1% (100-year)23.70'
.2% (500-year)28.90'
Historical Storm
Date
Event
Elevation
4/3/1979 19.30'
5/20/1983 16.20'
8/18/1983Alicia12.70'
5/18/1989 18.80'
6/27/1989Allison #114.70'
3/4/1992 11.00'
10/18/1994 24.60'
10/18/1998 14.10'
11/14/1998 17.90'
9/13/2008Ike16.50'
4/18/2016 14.90'
5/27/2016 19.40'
8/27/2017Harvey26.70'
9/19/2019Imelda19.30'
High water mark elevations are approximate.
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