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Stream/Stream Elevation Sensors 219
220 Armand Bayou @ Genoa-Red Bluff Road
Key Map 578L
Sensor ID 219 223
Sensor Type Radar Pressure Transducer
Installed 8/8/1984
Flooding Likely 15.00' 15.80'
Flooding Possible 12.00' 12.80'
Bottom of Stream/Stream -0.85' -1.00'
Tip of Orifice 26.83' 0.70'
Measuring Plate 23.32' 20.42'
Benchmark 23.14' 17.38'
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/Stream Elevation chart showing Stream/Stream Elevation Left series, Stream Elevation Right series.
Cross Section
Stream/Stream Elevation for sensor 219 is 0.38'
Reading on 2/26/2021 3:55 PM
Export to Excel
24 Hours
Sensor
Reading Date
Elevation
2192/26/2021 3:55 PM0.38'
2192/26/2021 3:51 PM0.27'
2192/26/2021 2:17 PM0.44'
2192/26/2021 1:45 PM0.45'
2192/26/2021 12:35 PM0.55'
2192/26/2021 11:33 AM0.67'
2192/26/2021 10:33 AM0.79'
2192/26/2021 10:17 AM0.85'
2192/26/2021 9:23 AM0.91'
2192/26/2021 8:39 AM1.02'
2192/26/2021 7:57 AM1.12'
2192/26/2021 6:17 AM1.21'
2192/26/2021 5:11 AM1.25'
2192/26/2021 2:53 AM1.36'
2192/26/2021 2:17 AM1.45'
2192/26/2021 12:37 AM1.46'
2192/25/2021 11:19 PM1.36'
2192/25/2021 10:25 PM1.26'
2192/25/2021 10:17 PM1.18'
2192/25/2021 9:43 PM1.14'
2192/25/2021 9:13 PM1.04'
2192/25/2021 8:43 PM0.93'
2192/25/2021 8:07 PM0.82'
2192/25/2021 7:37 PM0.71'
2192/25/2021 6:49 PM0.59'
2192/25/2021 6:17 PM0.47'
2192/25/2021 6:01 PM0.47'
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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