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Stream Elevation Sensor 213
210 Armand Bayou @ Pasadena Lake (Nasa Road 1)
Sensor ID 213
Sensor Type Radar
Installed 12/16/1999
Flooding Likely 6.50'
Flooding Possible 3.50'
Bottom of Stream -0.80'
Tip of Orifice 16.54'
Measuring Plate 12.59'
Benchmark 11.75'
RM 020005 stamped 020005 located on the downstream sidewalk near stream centerline, 1988 NAVD, 2001 adjustment. 78 to 01 Adjustment -0.6'
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 213 is 0.27'
Reading on 12/27/2025 10:15 AM
Export to Excel
2 Days
Sensor
Reading Date
Elevation
21312/27/2025 10:15 AM0.27'
21312/27/2025 8:35 AM0.31'
21312/27/2025 6:51 AM0.42'
21312/27/2025 6:15 AM0.48'
21312/27/2025 5:15 AM0.53'
21312/27/2025 2:17 AM0.65'
21312/27/2025 2:15 AM0.64'
21312/27/2025 12:55 AM0.54'
21312/27/2025 12:09 AM0.43'
21312/26/2025 11:19 PM0.32'
21312/26/2025 10:39 PM0.20'
21312/26/2025 10:15 PM0.13'
21312/26/2025 10:07 PM0.10'
21312/26/2025 9:17 PM0.00'
21312/26/2025 8:41 PM-0.10'
21312/26/2025 8:01 PM-0.20'
21312/26/2025 6:15 PM-0.31'
21312/26/2025 5:39 PM-0.30'
21312/26/2025 4:31 PM-0.19'
21312/26/2025 3:21 PM-0.08'
21312/26/2025 2:15 PM0.04'
21312/26/2025 1:25 PM0.15'
21312/26/2025 12:13 PM0.26'
21312/26/2025 10:23 AM0.37'
21312/26/2025 10:15 AM0.42'
21312/26/2025 9:09 AM0.48'
21312/26/2025 7:09 AM0.59'
21312/26/2025 6:15 AM0.64'
21312/26/2025 2:55 AM0.69'
21312/26/2025 2:15 AM0.62'
21312/26/2025 1:45 AM0.59'
21312/26/2025 12:47 AM0.48'
21312/26/2025 12:01 AM0.37'
21312/25/2025 11:13 PM0.25'
21312/25/2025 10:39 PM0.14'
21312/25/2025 10:15 PM0.08'
21312/25/2025 10:05 PM0.03'
21312/25/2025 9:05 PM-0.07'
21312/25/2025 8:31 PM-0.17'
21312/25/2025 6:15 PM-0.33'
21312/25/2025 5:15 PM-0.27'
21312/25/2025 4:33 PM-0.17'
21312/25/2025 3:27 PM-0.07'
21312/25/2025 2:29 PM0.05'
21312/25/2025 2:15 PM0.10'
21312/25/2025 1:51 PM0.15'
21312/25/2025 1:01 PM0.26'
21312/25/2025 12:05 PM0.37'
21312/25/2025 11:23 AM0.48'
Flood Frequency
Elevation
10% (10-year)5.00'
2% (50-year)9.90'
1% (100-year)11.50'
.2% (500-year)15.00'
Historical Storm
Date
Event
Elevation
7/25/1979Claudette8.40'
6/9/2001Allison #24.70'
6/19/2006 1.90'
9/13/2008Ike9.30'
4/18/2009 4.70'
8/27/2017Harvey8.30'
9/21/2020Beta5.80'
High water mark elevations are approximate.
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