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Stream Elevation Sensor 219
220 Armand Bayou @ Genoa-Red Bluff Road
Key Map 578L
Sensor ID 219
Sensor Type Radar
Installed 8/8/1984
Flooding Likely 15.00'
Flooding Possible 12.00'
Bottom of Stream -0.85'
Tip of Orifice 26.83'
Measuring Plate 23.32'
Benchmark 23.14'
RM 020033 stamped RM 020033R located on the downstream sidewalk at south end. 78 TO 01 adjustment -0.23'
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 219 is 0.80'
Reading on 2/21/2020 9:45 PM
Export to Excel
24 Hours
Sensor
Reading Date
Elevation
2192/21/2020 9:45 PM0.80'
2192/21/2020 9:17 PM0.69'
2192/21/2020 8:59 PM0.58'
2192/21/2020 8:59 PM0.60'
2192/21/2020 8:33 PM0.49'
2192/21/2020 8:11 PM0.38'
2192/21/2020 7:45 PM0.27'
2192/21/2020 5:01 PM0.17'
2192/21/2020 3:09 PM0.21'
2192/21/2020 1:01 PM0.32'
2192/21/2020 9:01 AM0.37'
2192/21/2020 5:01 AM0.41'
2192/21/2020 4:53 AM0.40'
2192/21/2020 2:37 AM0.51'
2192/21/2020 1:01 AM0.61'
2192/20/2020 11:43 PM0.69'
2192/20/2020 10:35 PM0.79'
Flood Frequency
Elevation
10% (10-year)16.40'
2% (50-year)17.30'
1% (100-year)18.40'
.2% (500-year)19.60'
Historical Storm
Date
Event
Elevation
7/25/1979Claudette12.00'
9/20/1979 17.00'
8/1/1989Chantal15.30'
6/9/2001Allison #216.70'
6/19/2006 14.70'
10/16/2006 14.90'
8/16/2007Erin15.80'
9/13/2008Ike16.30'
4/18/2009 15.70'
8/27/2017Harvey19.50'
High water mark elevations are approximate.
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