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Stream Elevation Sensor 758
755 San Jacinto River @ Lake Houston Pkwy
Key Map 337K
Sensor ID 758
Sensor Type Radar
Installed 3/11/2003
Flooding Likely 47.32'
Flooding Possible 46.32'
Bottom of Stream 25.56'
Tip of Orifice 59.79'
Measuring Plate 60.06'
Benchmark 57.89'
RM070185 stamped B-45 located on the downstream headwall of north end of bridge, 1988 NAVD, 2001 adjustment.
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 758 is 41.79'
Reading on 7/21/2019 7:02 AM
Export to Excel
2 Days
Sensor
Reading Date
Elevation
7587/21/2019 7:02 AM41.79'
7587/21/2019 4:26 AM41.78'
7587/21/2019 3:02 AM41.80'
7587/20/2019 11:02 PM41.83'
7587/20/2019 7:26 PM41.88'
7587/20/2019 7:02 PM41.79'
7587/20/2019 5:40 PM41.78'
7587/20/2019 3:02 PM41.84'
7587/20/2019 11:02 AM41.88'
7587/20/2019 9:50 AM41.88'
7587/20/2019 7:02 AM41.85'
7587/20/2019 3:02 AM41.83'
7587/19/2019 11:02 PM41.81'
7587/19/2019 7:02 PM41.82'
7587/19/2019 3:02 PM41.83'
7587/19/2019 11:02 AM41.81'
Flood Frequency
Elevation
10% (10-year)46.80'
2% (50-year)50.30'
1% (100-year)51.70'
.2% (500-year)56.20'
Historical Storm
Date
Event
Elevation
10/18/1994 53.70'
11/14/1998 49.90'
9/13/2008 49.00'
4/18/2016 47.90'
5/27/2016 51.10'
8/30/2017Harvey56.95'
High water mark elevations are approximate.
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