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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 1.47'
Reading on 12/20/2025 2:15 AM
Export to Excel
2 Days
Sensor
Reading Date
Elevation
21312/20/2025 2:15 AM1.47'
21312/20/2025 2:05 AM1.45'
21312/20/2025 1:15 AM1.35'
21312/20/2025 12:35 AM1.25'
21312/20/2025 12:01 AM1.15'
21312/19/2025 11:21 PM1.05'
21312/19/2025 10:45 PM0.94'
21312/19/2025 10:15 PM0.84'
21312/19/2025 9:39 PM0.73'
21312/19/2025 9:15 PM0.63'
21312/19/2025 8:43 PM0.53'
21312/19/2025 8:09 PM0.42'
21312/19/2025 7:33 PM0.30'
21312/19/2025 7:05 PM0.20'
21312/19/2025 6:31 PM0.09'
21312/19/2025 6:15 PM0.04'
21312/19/2025 5:55 PM-0.02'
21312/19/2025 5:23 PM-0.13'
21312/19/2025 4:41 PM-0.24'
21312/19/2025 4:09 PM-0.34'
21312/19/2025 3:19 PM-0.45'
21312/19/2025 2:15 PM-0.59'
21312/19/2025 1:15 PM-0.56'
21312/19/2025 12:19 PM-0.45'
21312/19/2025 11:41 AM-0.33'
21312/19/2025 10:57 AM-0.23'
21312/19/2025 10:15 AM-0.13'
21312/19/2025 10:11 AM-0.11'
21312/19/2025 9:35 AM-0.01'
21312/19/2025 8:49 AM0.09'
21312/19/2025 8:23 AM0.20'
21312/19/2025 7:49 AM0.30'
21312/19/2025 7:13 AM0.41'
21312/19/2025 6:33 AM0.52'
21312/19/2025 6:15 AM0.59'
21312/19/2025 6:03 AM0.62'
21312/19/2025 5:17 AM0.72'
21312/19/2025 4:17 AM0.83'
21312/19/2025 3:45 AM0.93'
21312/19/2025 3:03 AM1.04'
21312/19/2025 2:37 AM1.14'
21312/19/2025 2:15 AM1.20'
21312/19/2025 2:01 AM1.24'
21312/19/2025 1:11 AM1.34'
21312/18/2025 11:45 PM1.44'
21312/18/2025 10:41 PM1.32'
21312/18/2025 10:15 PM1.24'
21312/18/2025 9:49 PM1.21'
21312/18/2025 9:19 PM1.11'
21312/18/2025 8:45 PM1.00'
21312/18/2025 8:09 PM0.90'
21312/18/2025 7:47 PM0.79'
21312/18/2025 7:15 PM0.68'
21312/18/2025 6:51 PM0.58'
21312/18/2025 6:23 PM0.47'
21312/18/2025 6:15 PM0.44'
21312/18/2025 5:55 PM0.36'
21312/18/2025 5:33 PM0.26'
21312/18/2025 5:03 PM0.15'
21312/18/2025 4:39 PM0.05'
21312/18/2025 4:13 PM-0.05'
21312/18/2025 3:41 PM-0.15'
21312/18/2025 2:53 PM-0.26'
21312/18/2025 2:15 PM-0.37'
21312/18/2025 1:29 PM-0.38'
21312/18/2025 12:39 PM-0.27'
21312/18/2025 11:59 AM-0.15'
21312/18/2025 11:21 AM-0.05'
21312/18/2025 10:37 AM0.05'
21312/18/2025 10:15 AM0.14'
21312/18/2025 10:05 AM0.15'
21312/18/2025 9:29 AM0.26'
21312/18/2025 9:01 AM0.36'
21312/18/2025 8:15 AM0.47'
21312/18/2025 7:35 AM0.59'
21312/18/2025 6:55 AM0.69'
21312/18/2025 6:15 AM0.79'
21312/18/2025 6:11 AM0.79'
21312/18/2025 5:19 AM0.90'
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.
The Harris County Flood Control District (HCFCD) provides information via this website as a public service. While HCFCD makes every effort to ensure information is up-to-date, accurate and complete, HCFCD makes no representations, guarantees, or warranties as to the availability, accuracy, completeness, currency or suitability of the information provided via this website. HCFCD specifically disclaims any and all liability for any claims or damages that may result from providing the website or the information it contains. All liability with respect to actions taken or not taken based on the contents of this site is hereby expressly disclaimed.