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Stream Elevation Sensor 573
570 Little White Oak Bayou @ Tidwell Road
Key Map 453A
Sensor ID 573
Sensor Type Pressure Transducer
Installed 8/20/1985
Top of Bank (TOB) 64.40'
Bottom of Stream 51.98'
Tip of Orifice 52.71'
Measuring Plate 64.71'
Benchmark 64.38'
RM 050168 stamped E101 BM17 located on the downstream sidewalk of the east bound lanes at stream centerline, 1988 NAVD, 2001 adjustment. 78 to 01 Adjustment -1.90
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 573 is 52.71'
Reading on 5/19/2019 10:59 AM
Export to Excel
2 Days
Sensor
Reading Date
Elevation
5735/19/2019 10:59 AM52.71'
5735/19/2019 6:59 AM52.73'
5735/19/2019 2:59 AM52.73'
5735/18/2019 10:55 PM52.73'
5735/18/2019 6:55 PM52.72'
5735/18/2019 2:55 PM52.72'
5735/18/2019 10:55 AM52.73'
5735/18/2019 6:55 AM52.73'
5735/18/2019 2:52 AM52.73'
5735/17/2019 10:52 PM52.73'
5735/17/2019 6:52 PM52.73'
5735/17/2019 2:52 PM52.71'
Flood Frequency
Elevation
10% (10-year)65.20'
2% (50-year)65.90'
1% (100-year)66.10'
.2% (500-year)67.00'
Historical Storm
Date
Event
Elevation
6/9/2001Allison70.10'
10/29/2002 64.20'
11/17/2003 62.50'
9/13/2008Ike67.10'
5/26/2015 65.60'
4/18/2016 61.60'
8/27/2017Harvey65.40'
High water mark elevations are approximate.
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