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Lake Houston Elevation Sensor 749
G103_750 Lake Houston Dam Spillway
Key Map 418 B
Sensor ID 749
Sensor Type USGS Radar
Installed 8/6/2015
Top of Spillway (TOS) 41.71'
Bottom of Lake Houston 28.33'
Tip of Orifice 62.45'
Measuring Plate 63.48'
External Link USGS
Benchmark 63.61'
RM 070155 stamped G103 #0750 located on top of headwall at the west end of dam 25 feet north of dam walkway just before chain link gate.

The Lake Houston Elevation chart showing Lake Houston Elevation Left series.
Cross Section
Lake Houston Elevation for sensor 749 is 42.90'
Reading on 4/23/2018 7:02 AM
Export to Excel
2 Days
Sensor
Reading Date
Elevation
7494/23/2018 7:02 AM42.90'
7494/23/2018 3:02 AM42.87'
7494/23/2018 1:48 AM42.81'
7494/22/2018 11:02 PM42.73'
7494/22/2018 7:02 PM42.67'
7494/22/2018 4:48 PM42.70'
7494/22/2018 3:02 PM42.58'
7494/22/2018 11:02 AM42.58'
7494/22/2018 10:46 AM42.60'
7494/22/2018 10:24 AM42.49'
7494/22/2018 8:54 AM42.61'
7494/22/2018 8:46 AM42.51'
7494/22/2018 8:36 AM42.65'
7494/22/2018 7:02 AM42.62'
7494/22/2018 3:02 AM42.55'
7494/21/2018 11:36 PM42.54'
7494/21/2018 11:02 PM42.44'
7494/21/2018 7:02 PM42.43'
7494/21/2018 3:02 PM42.41'
7494/21/2018 11:02 AM42.41'
Flood Frequency
Elevation
10% (10-year)45.40'
2% (50-year)48.80'
1% (100-year)49.90'
.2% (500-year)52.00'
Historical Storm
Date
Event
Elevation
5/20/1983 48.00'
8/18/1983Alicia47.10'
5/18/1989 49.10'
6/27/1989 47.40'
3/4/1992 47.00'
10/18/1994 52.30'
9/13/2008Ike44.50'
4/18/2016 46.20'
5/27/2016 47.80'
8/27/2017Harvey53.10'
High water mark elevations are approximate.
The Flood Warning System interactive map and website are for general information and educational purposes only. Their purpose is to provide information collected at gage stations, which monitor rainfall and water levels of streams and bayous as well as other weather information in the Harris County region. Use and interpretation of this data and information is the responsibility of the user. Neither the Harris County Flood Control District nor Harris County represents the data as 100 percent accurate. You should follow directions provided by emergency management officials when making decisions during flooding or other weather-related events.