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Stream Elevation Sensor 2259
2260 Buffalo Bayou @ San Felipe Drive
Key Map 490R
Sensor ID 2259
Sensor Type Bubbler
Installed 10/14/1986
Top of Bank (TOB) 54.30'
Bottom of Stream 21.10'
Tip of Orifice 22.81'
Measuring Plate 57.40'
Water Level Forecast Information NWS
Benchmark 57.28'
RM 210130 stamped W100 BM03 located on the downstream sidewalk at stream centerline, 1988 NAVD, 2001 adjustment. 78 to 01 adjustment -1.60
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 2259 is 23.22'
Reading on 4/24/2019 11:17 AM
Export to Excel
24 Hours
Sensor
Reading Date
Elevation
22594/24/2019 11:17 AM23.22'
22594/24/2019 10:05 AM23.22'
22594/24/2019 7:17 AM23.29'
22594/24/2019 6:17 AM23.32'
22594/24/2019 3:17 AM23.40'
22594/24/2019 1:27 AM23.42'
22594/23/2019 11:17 PM23.43'
22594/23/2019 7:17 PM23.51'
22594/23/2019 3:17 PM23.59'
Flood Frequency
Elevation
10% (10-year)47.50'
2% (50-year)52.80'
1% (100-year)55.30'
.2% (500-year)60.00'
Historical Storm
Date
Event
Elevation
8/31/1981 46.90'
5/19/1989 49.20'
9/11/1998Frances51.80'
11/17/2003 48.30'
9/13/2008Ike46.00'
4/28/2009 53.00'
5/26/2015 54.50'
4/18/2016 53.00'
8/27/2017Harvey60.30'
High water mark elevations are approximate.
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