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Stream Elevation Sensor 1119
1120 Cypress Creek @ I-45
Sensor ID 1119
Sensor Type USGS Radar
Installed 6/10/1984
Flooding Likely 85.50'
Flooding Possible 82.50'
Bottom of Stream 62.40'
Tip of Orifice 101.57'
Measuring Plate 101.75'
External Link USGS
Water Level Forecast Information NWS
Benchmark 101.82'
RM 110050 stamped Weisser BM-41 located on the downstream sidewalk of north bound feeder lanes at stream centerline, 1988 NAVD, 2001 adjustment. 78 to 01 Adjustment -2.1'
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 1119 is 64.63'
Reading on 1/2/2025 10:19 AM
Export to Excel
24 Hours
Sensor
Reading Date
Elevation
11191/2/2025 10:19 AM64.63'
11191/2/2025 8:29 AM64.63'
11191/2/2025 6:19 AM64.70'
11191/2/2025 2:19 AM64.71'
11191/1/2025 10:19 PM64.73'
11191/1/2025 6:19 PM64.72'
11191/1/2025 2:19 PM64.79'
11191/1/2025 1:07 PM64.73'
11191/1/2025 12:29 PM64.83'
11191/1/2025 12:17 PM64.71'
Flood Frequency
Elevation
10% (10-year)91.20'
2% (50-year)93.00'
1% (100-year)94.40'
.2% (500-year)97.30'
Historical Storm
Date
Event
Elevation
10/1/1949 95.50'
9/1/1961Carla87.50'
5/11/1968 86.40'
4/17/1973 88.50'
1/19/1979 84.30'
2/6/1979 80.80'
9/20/1979David87.30'
8/31/1981 88.60'
5/14/1982 86.40'
5/21/1983 83.80'
8/18/1983Alicia85.60'
5/19/1989 92.10'
6/26/1989Allison #190.70'
10/18/1994 88.00'
10/19/1998 89.10'
11/14/1998 86.80'
6/9/2001Allison #292.50'
12/14/2005 84.90'
9/13/2008Ike89.30'
4/28/2009 87.90'
7/12/2012 83.60'
4/18/2016 90.60'
5/27/2016 85.60'
8/27/2017Harvey97.00'
High water mark elevations are approximate.
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