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Stream Elevation Sensor 109
110 Clear Creek @ I-45
Key Map 658L
Sensor ID 109
Sensor Type Radar
Installed 1/18/1996
Top of Bank (TOB) 6.00'
Bottom of Stream -8.37'
Tip of Orifice 18.09'
Measuring Plate 18.35'
Benchmark 15.79'
RM 010070 stamped A100 BM 01 located on the upstream sidewalk of the south bound feeder lanes at stream centerline , 1988 NAVD, 2001 adjustment. 78 to 01 Adjustment -0.40'
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 109 is 2.79'
Reading on 5/19/2019 12:43 PM
Export to Excel
2 Days
Sensor
Reading Date
Elevation
1095/19/2019 12:43 PM2.79'
1095/19/2019 12:10 PM2.74'
1095/19/2019 11:28 AM2.63'
1095/19/2019 10:49 AM2.52'
1095/19/2019 10:25 AM2.41'
1095/19/2019 9:53 AM2.30'
1095/19/2019 9:13 AM2.19'
1095/19/2019 8:43 AM2.08'
1095/19/2019 8:33 AM2.08'
1095/19/2019 7:58 AM1.96'
1095/19/2019 7:28 AM1.86'
1095/19/2019 7:05 AM1.76'
1095/19/2019 6:39 AM1.66'
1095/19/2019 6:09 AM1.56'
1095/19/2019 5:36 AM1.44'
1095/19/2019 5:10 AM1.34'
1095/19/2019 4:42 AM1.24'
1095/19/2019 3:21 AM1.27'
1095/19/2019 2:27 AM1.37'
1095/19/2019 1:54 AM1.47'
1095/19/2019 1:24 AM1.57'
1095/19/2019 12:42 AM1.68'
1095/19/2019 12:40 AM1.70'
1095/18/2019 11:58 PM1.81'
1095/18/2019 11:16 PM1.91'
1095/18/2019 10:38 PM2.01'
1095/18/2019 9:54 PM2.12'
1095/18/2019 8:42 PM2.24'
1095/18/2019 7:27 PM2.32'
1095/18/2019 5:51 PM2.42'
1095/18/2019 4:41 PM2.53'
1095/18/2019 4:02 PM2.57'
1095/18/2019 3:10 PM2.67'
1095/18/2019 2:24 PM2.78'
1095/18/2019 12:41 PM2.88'
1095/18/2019 12:02 PM2.87'
1095/18/2019 11:01 AM2.76'
1095/18/2019 10:14 AM2.65'
1095/18/2019 9:39 AM2.55'
1095/18/2019 9:09 AM2.44'
1095/18/2019 8:41 AM2.34'
1095/18/2019 8:10 AM2.24'
1095/18/2019 7:40 AM2.13'
1095/18/2019 7:12 AM2.03'
1095/18/2019 6:42 AM1.93'
1095/18/2019 6:16 AM1.82'
1095/18/2019 5:41 AM1.72'
1095/18/2019 5:15 AM1.61'
1095/18/2019 4:40 AM1.50'
1095/18/2019 2:48 AM1.44'
1095/18/2019 1:59 AM1.55'
1095/18/2019 1:10 AM1.66'
1095/18/2019 12:40 AM1.76'
1095/18/2019 12:10 AM1.82'
1095/17/2019 11:16 PM1.93'
1095/17/2019 10:22 PM2.04'
1095/17/2019 9:31 PM2.14'
1095/17/2019 8:40 PM2.25'
1095/17/2019 6:51 PM2.20'
1095/17/2019 4:39 PM2.10'
1095/17/2019 3:34 PM2.17'
1095/17/2019 2:29 PM2.28'
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'
6/5/2001Allison7.40'
6/9/2001Allison10.70'
10/16/2006 7.40'
8/16/2007Erin3.60'
9/13/2008Ike11.00'
4/18/2009 9.50'
8/27/2017Harvey16.60'
High water mark elevations are approximate.
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