Agency
v
Subscribe to
Real-time Alerts
Location
v
Last
v
Reported from
v
Show Current Conditions
Sensor out of service due to construction.
Stream Elevation Sensor 543
540 White Oak Bayou @ Alabonson Road
Sensor ID 543
Sensor Type USGS Radar
Installed 6/5/1984
Flooding Likely 75.90'
Flooding Possible 72.90'
Bottom of Stream 57.80'
Tip of Orifice 78.72'
Measuring Plate 79.78'
External Link USGS
Benchmark 78.71'
RM 050080 stamped E100 BM15 located on the downstream sidewalk at stream centerline, 1988 NAVD, 2001 adjustment. 78 to 01 Adjustment -3.0'
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 543 is 0.00'
Reading on 1/1/0001 12:00 AM
Export to Excel
2 Days
Sensor
Reading Date
Elevation
No data to display
Flood Frequency
Elevation
10% (10-year)77.30'
2% (50-year)78.50'
1% (100-year)79.00'
.2% (500-year)80.00'
Historical Storm
Date
Event
Elevation
10/8/1949 78.00'
10/23/1970 76.60'
3/20/1972 75.70'
5/14/1982 75.10'
8/18/1983Alicia73.80'
5/19/1989 77.00'
6/26/1989 75.10'
3/4/1992 76.80'
9/11/1998Frances73.00'
6/9/2001Allison #278.10'
10/29/2002 74.60'
11/17/2003 73.30'
12/14/2005 71.50'
6/19/2006 74.20'
10/16/2006 70.70'
9/13/2008Ike72.50'
10/25/2015 73.60'
4/18/2016 76.00'
8/27/2017Harvey77.60'
High water mark elevations are approximate.
The Harris County Flood Control District (HCFCD) provides information via this website as a public service. While HCFCD makes every effort to ensure information is up-to-date, accurate and complete, HCFCD makes no representations, guarantees, or warranties as to the availability, accuracy, completeness, currency or suitability of the information provided via this website. HCFCD specifically disclaims any and all liability for any claims or damages that may result from providing the website or the information it contains. All liability with respect to actions taken or not taken based on the contents of this site is hereby expressly disclaimed.