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Stream Elevation Sensor 578
575 White Oak Bayou @ Tidwell Road
Key Map 451D
Sensor ID 578
Sensor Type Bubbler
Installed 1/26/2001
Flooding Likely 68.10'
Flooding Possible 65.10'
Bottom of Stream 44.65'
Tip of Orifice 45.64'
Measuring Plate 73.62'
Benchmark 71.41'
RM 050073 stamped E100 BM27 located on the downstream sidewalk at stream centerline, 1988 NAVD, 2001 adjustment. 78 to 01 Adjustment -2.41'
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 578 is 45.72'
Reading on 7/21/2019 8:07 AM
Export to Excel
2 Days
Sensor
Reading Date
Elevation
5787/21/2019 8:07 AM45.72'
5787/21/2019 4:06 AM45.72'
5787/21/2019 12:05 AM45.70'
5787/20/2019 8:04 PM45.69'
5787/20/2019 4:04 PM45.71'
5787/20/2019 12:03 PM45.72'
5787/20/2019 8:02 AM45.73'
5787/20/2019 4:01 AM45.73'
5787/20/2019 12:00 AM45.72'
5787/19/2019 7:59 PM45.70'
5787/19/2019 3:58 PM45.71'
5787/19/2019 11:58 AM45.74'
Flood Frequency
Elevation
10% (10-year)67.90'
2% (50-year)70.10'
1% (100-year)70.80'
.2% (500-year)73.40'
Historical Storm
Date
Event
Elevation
6/9/2001Allison69.59'
10/29/2002 62.49'
11/17/2003 63.50'
6/19/2006 62.00'
10/16/2006 59.60'
9/13/2008Ike62.10'
10/25/2015 58.90'
4/18/2016 66.00'
8/27/2017Harvey68.80'
High water mark elevations are approximate.
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