Agency
v
Subscribe to
Real-time Alerts
Location
v
Last
v
Reported from
v
Show Current Conditions
Stream Elevation Sensor 493
490 Keegans Bayou @ Keegan Road
Sensor ID 493
Sensor Type Bubbler
Installed 5/2/1984
Flooding Likely 78.90'
Flooding Possible 75.90'
Bottom of Stream 65.90'
Tip of Orifice 66.02'
Measuring Plate 81.05'
Benchmark 81.07'
RM 040420 stamped D118 BM05 located on the downstream sidewalk at stream centerline, 1988 NAVD, 2001 adjustment. 78 to 01 Adjustment -2.8'
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 493 is 79.58'
Reading on 8/27/2017 3:44 AM
Export to Excel
2 Days
Sensor
Reading Date
Elevation
4938/27/2017 3:44 AM79.58'
4938/27/2017 3:32 AM79.73'
4938/27/2017 3:30 AM79.75'
4938/27/2017 3:16 AM79.79'
4938/27/2017 3:00 AM79.94'
4938/27/2017 2:58 AM79.86'
4938/27/2017 2:44 AM79.98'
4938/27/2017 2:42 AM79.98'
4938/27/2017 2:28 AM80.06'
4938/27/2017 2:12 AM80.14'
4938/27/2017 1:56 AM80.16'
4938/27/2017 1:40 AM80.10'
4938/27/2017 1:38 AM80.08'
4938/27/2017 1:24 AM79.99'
4938/27/2017 1:18 AM79.98'
4938/27/2017 1:08 AM79.86'
4938/27/2017 1:04 AM79.75'
4938/27/2017 12:58 AM79.64'
4938/27/2017 12:52 AM79.52'
4938/27/2017 12:46 AM79.42'
4938/27/2017 12:40 AM79.31'
4938/27/2017 12:34 AM79.21'
4938/27/2017 12:30 AM79.11'
4938/27/2017 12:24 AM78.99'
4938/27/2017 12:18 AM78.88'
4938/27/2017 12:14 AM78.76'
4938/27/2017 12:08 AM78.63'
4938/27/2017 12:04 AM78.49'
4938/26/2017 11:58 PM78.37'
4938/26/2017 11:54 PM78.25'
4938/26/2017 11:48 PM78.11'
4938/26/2017 11:42 PM78.00'
4938/26/2017 11:40 PM77.98'
4938/26/2017 11:34 PM77.88'
4938/26/2017 11:26 PM77.75'
4938/26/2017 11:20 PM77.63'
4938/26/2017 11:14 PM77.52'
4938/26/2017 10:50 PM77.39'
4938/26/2017 10:40 PM77.50'
4938/26/2017 10:30 PM77.62'
4938/26/2017 10:28 PM77.66'
4938/26/2017 10:20 PM77.74'
4938/26/2017 10:12 PM77.83'
4938/26/2017 10:10 PM77.84'
4938/26/2017 10:00 PM77.94'
4938/26/2017 9:56 PM77.97'
4938/26/2017 9:40 PM78.08'
4938/26/2017 9:24 PM78.08'
4938/26/2017 9:14 PM78.05'
4938/26/2017 9:08 PM77.93'
4938/26/2017 9:02 PM77.81'
4938/26/2017 8:56 PM77.65'
4938/26/2017 8:54 PM77.54'
4938/26/2017 8:52 PM77.47'
4938/26/2017 8:50 PM77.41'
4938/26/2017 8:46 PM77.23'
4938/26/2017 8:44 PM77.10'
4938/26/2017 8:42 PM77.00'
4938/26/2017 8:40 PM76.89'
4938/26/2017 8:38 PM76.76'
4938/26/2017 8:36 PM76.61'
4938/26/2017 8:34 PM76.43'
4938/26/2017 8:32 PM76.29'
4938/26/2017 8:30 PM76.09'
4938/26/2017 8:28 PM75.97'
4938/26/2017 8:26 PM75.77'
4938/26/2017 8:24 PM75.57'
4938/26/2017 8:22 PM75.35'
4938/26/2017 8:20 PM75.14'
4938/26/2017 8:18 PM74.92'
4938/26/2017 8:16 PM74.72'
4938/26/2017 8:14 PM74.48'
4938/26/2017 8:12 PM74.22'
4938/26/2017 8:10 PM73.98'
4938/26/2017 8:08 PM73.79'
4938/26/2017 8:06 PM73.60'
4938/26/2017 8:04 PM73.45'
4938/26/2017 8:02 PM73.31'
4938/26/2017 8:00 PM73.17'
4938/26/2017 7:58 PM73.04'
4938/26/2017 7:54 PM72.86'
4938/26/2017 7:50 PM72.74'
4938/26/2017 7:42 PM72.61'
4938/26/2017 7:02 PM72.50'
4938/26/2017 6:46 PM72.61'
4938/26/2017 6:28 PM72.71'
4938/26/2017 6:10 PM72.82'
4938/26/2017 5:54 PM72.94'
4938/26/2017 5:36 PM73.05'
4938/26/2017 5:20 PM73.16'
4938/26/2017 5:04 PM73.26'
4938/26/2017 4:48 PM73.37'
4938/26/2017 3:50 PM73.49'
4938/26/2017 3:40 PM73.54'
4938/26/2017 2:54 PM73.59'
4938/26/2017 2:38 PM73.71'
4938/26/2017 2:22 PM73.81'
4938/26/2017 1:38 PM73.92'
4938/26/2017 1:22 PM74.04'
4938/26/2017 1:10 PM74.15'
4938/26/2017 12:56 PM74.25'
4938/26/2017 12:42 PM74.37'
4938/26/2017 12:32 PM74.48'
4938/26/2017 12:18 PM74.59'
4938/26/2017 12:04 PM74.71'
4938/26/2017 11:56 AM74.81'
4938/26/2017 11:40 AM74.93'
4938/26/2017 11:28 AM75.05'
4938/26/2017 11:18 AM75.16'
4938/26/2017 11:04 AM75.28'
4938/26/2017 10:56 AM75.39'
4938/26/2017 10:46 AM75.49'
4938/26/2017 10:34 AM75.60'
4938/26/2017 10:24 AM75.72'
4938/26/2017 10:10 AM75.82'
4938/26/2017 9:56 AM75.98'
4938/26/2017 9:44 AM76.08'
4938/26/2017 9:12 AM76.20'
4938/26/2017 8:36 AM76.10'
4938/26/2017 8:26 AM76.20'
4938/26/2017 7:40 AM66.33'
4938/26/2017 3:40 AM66.31'
4938/25/2017 11:40 PM66.30'
4938/25/2017 3:40 PM66.29'
4938/25/2017 11:40 AM66.29'
4938/25/2017 7:40 AM66.29'
Flood Frequency
Elevation
10% (10-year)78.20'
2% (50-year)79.50'
1% (100-year)79.90'
.2% (500-year)80.80'
Historical Storm
Date
Event
Elevation
9/13/2008Ike75.60'
4/28/2009 75.90'
1/9/2012 78.90'
5/12/2012 77.80'
5/26/2015 80.80'
4/18/2016 80.50'
8/27/2017Harvey80.20'
9/21/2020Beta78.10'
7/8/2024Beryl78.70'
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.