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Stream Elevation Sensor 133
130 Clear Creek @ Bay Area Boulevard
Sensor ID 133
Sensor Type Radar
Installed 2/6/1998
Flooding Likely 7.40'
Flooding Possible 6.40'
Bottom of Stream -13.40'
Tip of Orifice 22.42'
Measuring Plate 22.76'
Benchmark 22.81'
RM 010078 no stamping located on the downstream sidewalk of the north bound lanes at stream centerline, 1988 NAVD, 2001 adjustment. 78 to 01 Adjustment -0.5'
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 133 is 3.18'
Reading on 5/6/2025 5:45 AM
Export to Excel
1 Hour
Sensor
Reading Date
Elevation
1335/6/2025 5:45 AM3.18'
1335/6/2025 5:31 AM3.21'
1335/6/2025 5:15 AM3.22'
1335/6/2025 5:01 AM3.18'
Flood Frequency
Elevation
10% (10-year)13.80'
2% (50-year)16.30'
1% (100-year)17.20'
.2% (500-year)20.10'
Historical Storm
Date
Event
Elevation
10/16/2006 10.50'
9/13/2008Ike15.20'
4/18/2009 11.50'
8/27/2017Harvey21.10'
9/21/2020Beta11.70'
7/8/2024Beryl10.70'
High water mark elevations are approximate.
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