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Stream Elevation Sensor 759
760 San Jacinto River @ US 59
Key Map 335M
Sensor ID 759
Sensor Type USGS Radar
Installed 11/5/1985
Flooding Likely 49.30'
Flooding Possible 46.30'
Bottom of Stream 36.28'
Tip of Orifice 69.92'
Measuring Plate 73.60'
External Link USGS
Water Level Forecast Information NWS
Benchmark 70.40'
RM070203 stamped G103 0760 located on the downstream curb of old steel bridge at stream centerline, 1988 NAVD, 2001 adjustment. 78 to 01 Adjustment -0.58'
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 759 is 41.93'
Reading on 7/6/2020 7:04 PM
Export to Excel
2 Days
Sensor
Reading Date
Elevation
7597/6/2020 7:04 PM41.93'
7597/6/2020 3:04 PM41.88'
7597/6/2020 11:04 AM41.87'
7597/6/2020 7:04 AM41.91'
7597/6/2020 3:04 AM41.91'
7597/5/2020 11:04 PM41.88'
7597/5/2020 7:04 PM41.90'
7597/5/2020 3:04 PM41.91'
7597/5/2020 11:04 AM41.83'
7597/5/2020 7:04 AM41.90'
7597/5/2020 3:04 AM41.89'
7597/4/2020 11:04 PM41.86'
Flood Frequency
Elevation
10% (10-year)56.50'
2% (50-year)63.00'
1% (100-year)64.80'
.2% (500-year)69.10'
Historical Storm
Date
Event
Elevation
4/23/1979 51.00'
5/20/1983 52.10'
5/18/1989 53.90'
6/27/1989Allison #151.70'
3/4/1992 49.80'
10/18/1994 66.70'
9/13/2008Ike53.00'
4/18/2016 57.50'
5/27/2016 61.90'
8/27/2017Harvey69.60'
9/19/2019Imelda55.30'
High water mark elevations are approximate.
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