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Lake Houston/Stream Elevation Sensors 749
750 Lake Houston Dam Spillway
Key Map 418 B
Sensor ID 749 739
Sensor Type USGS Radar Stilling Well
Sensor Position Lake Houston
Installed 1/3/1997 1/3/1997
Top of Spillway 42.40' 41.71'
Flooding Likely ' 41.71'
Flooding Possible ' 38.71'
Bottom of Lake Houston/Stream 28.33' 28.33'
Tip of Orifice 62.45' 28.65'
Measuring Plate 63.48' 63.48'
External Link USGS USGS
Benchmark 63.61' 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/Stream Elevation chart showing Lake Houston/Stream Elevation Left series, Stream Elevation Right series.
Cross Section
Lake Houston/Stream Elevation for sensor 749 is 42.55'
Reading on 2/26/2021 2:02 PM
Export to Excel
2 Days
Sensor
Reading Date
Elevation
7492/26/2021 2:02 PM42.55'
7492/26/2021 1:28 PM42.56'
7492/26/2021 1:12 PM42.58'
7492/26/2021 12:48 PM42.54'
7492/26/2021 9:46 AM42.57'
7492/26/2021 9:16 AM42.55'
7492/26/2021 9:12 AM42.55'
7492/26/2021 6:04 AM42.55'
7492/26/2021 5:46 AM42.54'
7492/26/2021 5:40 AM42.55'
7492/26/2021 5:24 AM42.54'
7492/26/2021 5:10 AM42.53'
7492/26/2021 4:24 AM42.55'
7492/26/2021 3:58 AM42.54'
7492/26/2021 2:42 AM42.65'
7492/26/2021 2:02 AM42.47'
7492/25/2021 10:02 PM42.60'
7492/25/2021 6:02 PM42.62'
7492/25/2021 2:02 PM42.63'
7492/25/2021 10:02 AM42.58'
7492/25/2021 6:02 AM42.60'
7492/25/2021 2:02 AM42.63'
7492/24/2021 10:02 PM42.60'
7492/24/2021 6:02 PM42.60'
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'
9/19/2019Imelda48.20'
High water mark elevations are approximate.
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