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Stream Elevation Sensor 113
110 Clear Creek @ I-45
Key Map 658L
Sensor ID 113
Sensor Type Radar
Installed 1/18/1996
Flooding Likely 6.00'
Flooding Possible 5.00'
Bottom of Stream -8.37'
Tip of Orifice 17.91'
Benchmark 12.94'
RM 010070R stamped 010070R is located on the upstream sidewalk of the I-45 north bound feeder road lane near south end bridge abutment. 1988 NAVD, 2001 adjustment. 78 to 01 Adjustment -0.50'
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 113 is 1.81'
Reading on 10/17/2021 11:03 AM
Export to Excel
1 Hour
Sensor
Reading Date
Elevation
11310/17/2021 11:03 AM1.81'
Flood Frequency
Elevation
10% (10-year)9.50'
2% (50-year)11.60'
1% (100-year)12.40'
.2% (500-year)15.20'
Historical Storm
Date
Event
Elevation
6/20/1973 10.20'
7/25/1979Claudette16.90'
9/20/1979 9.90'
5/3/1981 5.00'
8/18/1983Alicia8.20'
10/18/1994 6.90'
6/5/2001Allison #27.40'
6/9/2001Allison #210.70'
10/16/2006 7.40'
8/16/2007Erin3.60'
9/13/2008Ike11.00'
4/18/2009 9.50'
8/27/2017Harvey16.60'
9/21/2020Beta8.80'
High water mark elevations are approximate.
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