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Stream Elevation Sensor 2289
2290 Buffalo Bayou @ Dairy Ashford Road
Sensor ID 2289
Sensor Type USGS Radar
Installed 1/17/2000
Flooding Likely 73.20'
Flooding Possible 70.20'
Bottom of Stream 45.50'
Tip of Orifice 76.59'
Measuring Plate 77.53'
External Link USGS
Benchmark 76.75'
RM 210180 stamped W100 BM07 located on the downstream sidewalk at stream centerline, 1988 NAVD, 2001 adjustment 78 to 01 adjustment -1.7'
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 2289 is 46.62'
Reading on 4/2/2025 3:21 AM
Export to Excel
24 Hours
Sensor
Reading Date
Elevation
22894/2/2025 3:21 AM46.62'
22894/2/2025 3:19 AM46.63'
22894/1/2025 11:19 PM46.67'
22894/1/2025 7:19 PM46.69'
22894/1/2025 3:19 PM46.72'
22894/1/2025 2:39 PM46.73'
22894/1/2025 11:19 AM46.79'
22894/1/2025 7:19 AM46.83'
22894/1/2025 5:37 AM46.83'
Flood Frequency
Elevation
10% (10-year)65.80'
2% (50-year)70.00'
1% (100-year)71.80'
.2% (500-year)74.70'
Historical Storm
Date
Event
Elevation
6/27/1960 68.80'
8/31/1981 67.90'
8/18/1983Alicia65.40'
9/19/1983 63.10'
5/19/1989 66.30'
3/4/1992 71.80'
9/11/1998Frances68.30'
11/17/2003 68.90'
9/13/2008Ike65.20'
4/28/2009 70.50'
5/26/2015 69.10'
4/18/2016 70.70'
8/27/2017Harvey76.90'
High water mark elevations are approximate.
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