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Stream Elevation Sensor 839
840 Hunting Bayou @ Lockwood Drive
Key Map 454U
Sensor ID 839
Sensor Type USGS Radar
Installed 6/28/1995
Top of Bank (TOB) 40.60'
Bottom of Stream 27.49'
Tip of Orifice 43.59'
Measuring Plate 41.93'
External Link USGS
Benchmark 41.44'
RM 080105 stamped RM 080105 EST 2002 located on the downstream sidewalk at south end bridge, 1988 NAVD, 2001 adjustment. 78 to 01 Adjustment -1.05'
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 839 is 28.88'
Reading on 5/19/2019 11:08 AM
Export to Excel
2 Days
Sensor
Reading Date
Elevation
8395/19/2019 11:08 AM28.88'
8395/19/2019 7:08 AM28.89'
8395/19/2019 3:08 AM28.89'
8395/18/2019 11:08 PM28.87'
8395/18/2019 7:08 PM28.86'
8395/18/2019 3:08 PM28.87'
8395/18/2019 11:08 AM28.86'
8395/18/2019 7:08 AM28.86'
8395/18/2019 3:08 AM28.87'
8395/17/2019 11:08 PM28.88'
8395/17/2019 7:08 PM28.89'
8395/17/2019 3:08 PM28.90'
Flood Frequency
Elevation
10% (10-year)41.90'
2% (50-year)44.10'
1% (100-year)45.00'
.2% (500-year)46.80'
Historical Storm
Date
Event
Elevation
3/20/1972 40.70'
3/4/1992 41.50'
9/11/1998Frances41.40'
6/5/2001Allison42.20'
6/19/2006 41.00'
10/16/2006 41.30'
8/16/2007Erin42.00'
9/13/2008Ike42.10'
5/26/2015 40.70'
10/25/2015 38.00'
10/31/2015 41.40'
1/18/2017 40.60'
8/27/2017Harvey44.40'
High water mark elevations are approximate.
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