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Stream Elevation Sensor 764
765 San Jacinto River @ SH 99
Sensor ID 764
Sensor Type USGS Radar
Installed 5/15/2018
Flooding Likely 81.00'
Flooding Possible 78.00'
Bottom of Stream 56.00'
Tip of Orifice 103.08'
External Link USGS
Benchmark 97.58'
TXDOT monument on top of concrete 20 ft east of left downstream edge of guardrail, 1988 NAVD, 2001 adjustment.

The Stream Elevation  chart showing Stream Elevation Left series.
Cross Section
Stream Elevation for sensor 764 is 58.70'
Reading on 4/25/2024 3:35 PM
Export to Excel
2 Days
Sensor
Reading Date
Elevation
7644/25/2024 3:35 PM58.70'
7644/25/2024 2:59 PM58.69'
7644/25/2024 11:35 AM58.75'
7644/25/2024 7:35 AM58.78'
7644/25/2024 3:35 AM58.81'
7644/25/2024 3:13 AM58.80'
7644/24/2024 11:35 PM58.84'
7644/24/2024 7:35 PM58.89'
7644/24/2024 6:13 PM58.90'
7644/24/2024 3:35 PM58.96'
7644/24/2024 1:15 PM59.00'
7644/24/2024 11:35 AM59.06'
7644/24/2024 9:29 AM59.10'
7644/24/2024 7:35 AM59.19'
7644/24/2024 6:13 AM59.21'
7644/24/2024 3:35 AM59.30'
7644/24/2024 2:43 AM59.31'
7644/24/2024 12:29 AM59.42'
7644/23/2024 11:35 PM59.46'
7644/23/2024 9:59 PM59.52'
7644/23/2024 7:35 PM59.61'
7644/23/2024 6:45 PM59.63'
Flood Frequency
Elevation
10% (10-year)82.40'
2% (50-year)88.20'
1% (100-year)90.40'
.2% (500-year)94.90'
Historical Storm
Date
Event
Elevation
8/29/2017Harvey94.90'
9/19/2019Imelda79.80'
High water mark elevations are approximate.
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