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Stream Elevation Sensor 413
410 Brays Bayou @ Lawndale Street
Sensor ID 413
Sensor Type Radar
Installed 4/10/1985
Flooding Likely 14.50'
Flooding Possible 11.50'
Bottom of Stream -15.40'
Tip of Orifice 33.40'
Benchmark 27.07'
RM 040030R stamped 040030R is located on the downstream sidewalk near north end bridge abutment. 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 413 is 6.80'
Reading on 8/31/2025 4:20 PM
Export to Excel
2 Days
Sensor
Reading Date
Elevation
4138/31/2025 4:20 PM6.80'
4138/31/2025 4:16 PM6.88'
4138/31/2025 4:14 PM6.91'
4138/31/2025 4:08 PM7.04'
4138/31/2025 4:00 PM7.15'
4138/31/2025 3:46 PM7.27'
4138/31/2025 3:34 PM7.27'
4138/31/2025 3:30 PM7.20'
4138/31/2025 3:24 PM7.12'
4138/31/2025 3:18 PM6.98'
4138/31/2025 3:16 PM6.97'
4138/31/2025 3:14 PM6.87'
4138/31/2025 3:12 PM6.76'
4138/31/2025 3:08 PM6.64'
4138/31/2025 3:04 PM6.48'
4138/31/2025 3:02 PM6.37'
4138/31/2025 3:00 PM6.31'
4138/31/2025 2:58 PM6.24'
4138/31/2025 2:54 PM6.03'
4138/31/2025 2:52 PM5.91'
4138/31/2025 2:48 PM5.72'
4138/31/2025 2:46 PM5.58'
4138/31/2025 2:44 PM5.48'
4138/31/2025 2:42 PM5.35'
4138/31/2025 2:40 PM5.23'
4138/31/2025 2:36 PM5.05'
4138/31/2025 2:32 PM4.92'
4138/31/2025 2:30 PM4.84'
4138/31/2025 2:28 PM4.77'
4138/31/2025 2:24 PM4.66'
4138/31/2025 2:18 PM4.55'
4138/31/2025 2:16 PM4.47'
4138/31/2025 2:14 PM4.45'
4138/31/2025 2:08 PM4.29'
4138/31/2025 2:06 PM4.15'
4138/31/2025 2:02 PM4.03'
4138/31/2025 2:00 PM3.91'
4138/31/2025 1:56 PM3.88'
4138/31/2025 1:52 PM3.72'
4138/31/2025 1:48 PM3.62'
4138/31/2025 1:42 PM3.37'
4138/31/2025 1:38 PM3.11'
4138/31/2025 1:36 PM2.97'
4138/31/2025 1:34 PM2.76'
4138/31/2025 1:32 PM2.54'
4138/31/2025 1:26 PM2.31'
4138/31/2025 12:54 PM1.96'
4138/31/2025 12:32 PM2.07'
4138/31/2025 12:12 PM2.18'
4138/31/2025 11:28 AM2.25'
4138/31/2025 8:54 AM2.29'
4138/31/2025 7:58 AM2.17'
4138/31/2025 7:56 AM2.28'
4138/31/2025 7:54 AM2.09'
4138/31/2025 7:28 AM2.23'
4138/31/2025 6:12 AM2.26'
4138/31/2025 4:58 AM2.15'
4138/31/2025 4:30 AM2.01'
4138/31/2025 3:46 AM1.91'
4138/31/2025 3:28 AM1.85'
4138/31/2025 3:00 AM1.81'
4138/31/2025 2:40 AM1.69'
4138/31/2025 2:18 AM1.59'
4138/31/2025 2:02 AM1.49'
4138/31/2025 1:44 AM1.39'
4138/31/2025 1:28 AM1.28'
4138/31/2025 1:14 AM1.18'
4138/31/2025 12:18 AM1.07'
4138/30/2025 11:28 PM1.18'
4138/30/2025 10:22 PM1.07'
4138/30/2025 10:04 PM0.96'
4138/30/2025 9:00 PM0.83'
4138/30/2025 8:36 PM0.93'
4138/30/2025 8:04 PM1.04'
4138/30/2025 7:28 PM1.10'
4138/30/2025 7:04 PM1.14'
4138/30/2025 6:40 PM1.24'
4138/30/2025 6:16 PM1.34'
4138/30/2025 6:02 PM1.44'
4138/30/2025 5:40 PM1.55'
4138/30/2025 5:24 PM1.66'
4138/30/2025 4:54 PM1.76'
4138/30/2025 4:40 PM1.62'
4138/30/2025 4:32 PM1.49'
4138/30/2025 4:24 PM1.38'
4138/30/2025 4:08 PM1.25'
4138/30/2025 3:46 PM1.35'
4138/30/2025 3:34 PM1.50'
4138/30/2025 3:28 PM1.54'
4138/30/2025 1:10 PM1.60'
4138/30/2025 12:30 PM1.75'
4138/30/2025 11:46 AM1.87'
4138/30/2025 11:28 AM1.98'
4138/30/2025 11:20 AM1.99'
4138/30/2025 10:18 AM2.10'
4138/30/2025 7:30 AM2.20'
4138/30/2025 7:28 AM2.17'
4138/30/2025 6:04 AM2.09'
4138/30/2025 4:56 AM1.98'
4138/30/2025 3:38 AM2.10'
4138/30/2025 3:28 AM2.04'
4138/30/2025 2:42 AM1.98'
4138/30/2025 2:08 AM1.87'
4138/30/2025 1:54 AM1.77'
4138/30/2025 1:32 AM1.67'
4138/30/2025 1:12 AM1.56'
4138/30/2025 12:48 AM1.45'
4138/30/2025 12:26 AM1.35'
4138/30/2025 12:06 AM1.25'
4138/29/2025 11:46 PM1.14'
4138/29/2025 11:28 PM1.07'
4138/29/2025 11:24 PM1.04'
4138/29/2025 10:56 PM0.93'
4138/29/2025 10:36 PM0.83'
4138/29/2025 7:28 PM0.72'
4138/29/2025 7:20 PM0.72'
4138/29/2025 6:48 PM0.83'
4138/29/2025 6:24 PM0.95'
4138/29/2025 4:42 PM1.06'
Flood Frequency
Elevation
10% (10-year)18.10'
2% (50-year)20.70'
1% (100-year)21.90'
.2% (500-year)24.70'
Historical Storm
Date
Event
Elevation
8/13/1983Alicia16.70'
9/19/1983 17.00'
8/1/1989Chantal13.90'
10/18/1994 17.60'
9/11/1998Frances17.90'
6/9/2001Allison #222.80'
11/17/2003 14.90'
9/13/2008Ike17.00'
4/28/2009 9.20'
1/9/2012 15.60'
5/26/2015 18.40'
4/18/2016 18.00'
1/18/2017 13.40'
8/27/2017Harvey20.70'
9/21/2020Beta12.70'
7/8/2024Beryl19.00'
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.