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Stream Elevation Sensor 1659
1660 Greens Bayou @ Knobcrest Drive
Sensor ID 1659
Sensor Type USGS Radar
Installed 3/21/1984
Flooding Likely 84.80'
Flooding Possible 81.80'
Bottom of Stream 64.00'
Tip of Orifice 88.62'
Measuring Plate 88.01'
External Link USGS
Water Level Forecast Information NWS
Benchmark 88.02'
RM 150120 stamped P100 BM18 located on the downstream sidewalk at stream centerline., 1988 NAVD, 2001 adjustment. 78 to 01 Adjustment -2.4'
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 1659 is 65.76'
Reading on 11/28/2024 6:47 AM
Export to Excel
24 Hours
Sensor
Reading Date
Elevation
165911/28/2024 6:47 AM65.76'
165911/28/2024 2:47 AM65.82'
165911/27/2024 10:47 PM65.79'
165911/27/2024 6:47 PM65.70'
165911/27/2024 2:47 PM65.70'
165911/27/2024 10:47 AM65.72'
Flood Frequency
Elevation
10% (10-year)85.40'
2% (50-year)87.10'
1% (100-year)87.70'
.2% (500-year)88.60'
Historical Storm
Date
Event
Elevation
6/5/2001Allison #281.60'
6/9/2001Allison #286.70'
10/29/2002 86.60'
11/17/2003 84.60'
12/14/2005 82.60'
6/19/2006 79.70'
10/16/2006 80.70'
9/13/2008Ike82.80'
10/31/2015 79.60'
4/18/2016 84.90'
8/27/2017Harvey85.80'
9/19/2019Imelda81.00'
High water mark elevations are approximate.
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