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Stream Elevation Sensor 443
D100_440 Brays Bayou @ Rice Avenue
Key Map 531U
Sensor ID 443
Sensor Type Bubbler
Installed 8/10/1984
Top of Bank (TOB) 51.30'
Bottom of Stream 25.97'
Tip of Orifice 27.45'
Measuring Plate 54.84'
Benchmark 53.81'
RM 040160 stamped D100 BM 20 located on the downstream sidewalk of northbound bridge at stream centerline, 1988 NAVD, 2001 adjustment. 78 to 01 Adjustment -1.99
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 443 is 30.34'
Reading on 9/20/2017 9:51 PM
Export to Excel
24 Hours
Sensor
Reading Date
Elevation
4439/20/2017 9:51 PM30.34'
4439/20/2017 9:34 PM30.45'
4439/20/2017 9:22 PM30.55'
4439/20/2017 9:08 PM30.66'
4439/20/2017 8:57 PM30.77'
4439/20/2017 8:48 PM30.91'
4439/20/2017 8:40 PM31.01'
4439/20/2017 8:31 PM31.11'
4439/20/2017 8:25 PM31.22'
4439/20/2017 8:17 PM31.35'
4439/20/2017 8:08 PM31.46'
4439/20/2017 8:03 PM31.59'
4439/20/2017 7:58 PM31.71'
4439/20/2017 7:52 PM31.82'
4439/20/2017 7:46 PM31.92'
4439/20/2017 7:41 PM32.05'
4439/20/2017 7:35 PM32.17'
4439/20/2017 7:29 PM32.29'
4439/20/2017 7:21 PM32.40'
4439/20/2017 6:21 PM32.55'
4439/20/2017 6:10 PM32.41'
4439/20/2017 6:01 PM32.31'
4439/20/2017 5:27 PM32.21'
4439/20/2017 5:19 PM32.08'
4439/20/2017 5:13 PM31.97'
4439/20/2017 5:10 PM31.87'
4439/20/2017 5:04 PM31.70'
4439/20/2017 5:02 PM31.55'
4439/20/2017 4:59 PM31.35'
4439/20/2017 4:56 PM31.12'
4439/20/2017 4:53 PM30.88'
4439/20/2017 4:50 PM30.62'
4439/20/2017 4:47 PM30.37'
4439/20/2017 4:45 PM30.08'
4439/20/2017 4:42 PM29.79'
4439/20/2017 4:39 PM29.45'
4439/20/2017 4:36 PM28.95'
4439/20/2017 4:33 PM28.56'
4439/20/2017 4:02 PM28.43'
4439/20/2017 3:34 PM28.35'
4439/20/2017 12:01 PM28.48'
4439/20/2017 11:05 AM28.50'
4439/20/2017 8:00 AM28.60'
4439/20/2017 3:59 AM28.65'
4439/19/2017 11:58 PM28.69'
Flood Frequency
Elevation
10% (10-year)50.80'
2% (50-year)52.90'
1% (100-year)54.30'
.2% (500-year)55.70'
Historical Storm
Date
Event
Elevation
6/18/1973 49.11'
8/18/1983Alicia47.41'
9/19/1983 52.51'
8/1/1989Chantal49.01'
10/18/1994 51.41'
9/11/1998Frances47.51'
6/9/2001Allison50.41'
11/17/2003 51.01'
9/13/2008Ike47.90'
4/28/2009 47.60'
1/9/2012 50.30'
5/26/2015 52.90'
4/18/2016 51.70'
1/18/2017 49.80'
High water mark elevations are approximate.
The Flood Warning System interactive map and website are for general information and educational purposes only. Their purpose is to provide information collected at gage stations, which monitor rainfall and water levels of streams and bayous as well as other weather information in the Harris County region. Use and interpretation of this data and information is the responsibility of the user. Neither the Harris County Flood Control District nor Harris County represents the data as 100 percent accurate. You should follow directions provided by emergency management officials when making decisions during flooding or other weather-related events.