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Stream Elevation Sensor 429
D100_430 Brays Bayou @ Stella Link Road
Key Map 532N
Sensor ID 429
Sensor Type Bubbler
Installed 4/7/1999
Top of Bank (TOB) 48.40'
Bottom of Stream 19.79'
Tip of Orifice 22.11'
Measuring Plate 49.55'
Benchmark 49.55'
RM 040145 stamped D100 BM 19 located on the downstream sidewalk of northbound bridge at stream centerline, 1988 NAVD, 2001 adjustment. 78 to 01 Adjustment -1.72
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 429 is 22.24'
Reading on 10/18/2017 4:46 AM
Export to Excel
2 Days
Sensor
Reading Date
Elevation
42910/18/2017 4:46 AM22.24'
42910/18/2017 4:16 AM22.29'
42910/18/2017 1:08 AM22.39'
42910/18/2017 12:46 AM22.29'
42910/17/2017 8:45 PM22.19'
42910/17/2017 4:44 PM22.13'
42910/17/2017 12:43 PM22.12'
42910/17/2017 8:42 AM22.12'
42910/17/2017 8:14 AM22.12'
42910/17/2017 4:41 AM22.22'
42910/17/2017 12:40 AM22.23'
42910/16/2017 8:40 PM22.18'
42910/16/2017 4:39 PM22.11'
42910/16/2017 12:38 PM22.12'
42910/16/2017 8:37 AM22.14'
42910/16/2017 7:53 AM22.17'
Flood Frequency
Elevation
10% (10-year)45.50'
2% (50-year)47.50'
1% (100-year)49.60'
.2% (500-year)51.80'
Historical Storm
Date
Event
Elevation
6/18/1973 45.08'
8/31/1981 46.08'
8/18/1983Alicia42.68'
3/4/1992 44.98'
10/18/1994 45.98'
9/11/1998Frances44.28'
6/9/2001Allison48.38'
11/17/2003 46.38'
9/13/2008Ike45.90'
4/28/2009 43.00'
1/9/2012 45.70'
5/26/2015 48.30'
4/18/2016 46.50'
1/18/2017 45.70'
8/27/2017Harvey49.70'
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.