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Stream Elevation Sensor 379
380 Sims Bayou @ Hiram-Clarke Road
Key Map 571R
Sensor ID 379
Sensor Type USGS Radar
Installed 6/18/1983
Top of Bank (TOB) 50.20'
Bottom of Stream 26.30'
Tip of Orifice 53.64'
Measuring Plate 56.03'
External Link USGS
Benchmark 53.50'
RM 030115 stamped 030115R located on the downstream sidewalk at north end.
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 379 is 26.29'
Reading on 5/19/2019 11:26 AM
Export to Excel
2 Days
Sensor
Reading Date
Elevation
3795/19/2019 11:26 AM26.29'
3795/19/2019 7:26 AM26.32'
3795/19/2019 3:26 AM26.38'
3795/18/2019 11:26 PM26.39'
3795/18/2019 7:26 PM26.39'
3795/18/2019 3:26 PM26.40'
3795/18/2019 11:26 AM26.34'
3795/18/2019 7:26 AM26.35'
3795/18/2019 5:48 AM26.37'
3795/18/2019 3:26 AM26.41'
3795/17/2019 11:26 PM26.41'
3795/17/2019 7:26 PM26.40'
3795/17/2019 3:26 PM26.42'
Flood Frequency
Elevation
10% (10-year)41.22'
2% (50-year)45.80'
1% (100-year)47.86'
.2% (500-year)51.87'
Historical Storm
Date
Event
Elevation
9/20/1979 49.23'
6/5/1981 44.53'
8/31/1981 51.03'
8/18/1983Alicia49.13'
9/19/1983 50.73'
8/1/1989 50.60'
10/18/1994 50.50'
3/12/1997 47.43'
6/7/2001Allison49.93'
6/9/2001Allison51.33'
6/19/2006 38.20'
9/13/2008Ike46.60'
8/27/2017Harvey46.80'
High water mark elevations are approximate.
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