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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 22.37'
Reading on 7/17/2018 10:17 PM
Export to Excel
2 Days
Sensor
Reading Date
Elevation
4297/17/2018 10:17 PM22.37'
4297/17/2018 8:46 PM22.37'
4297/17/2018 6:17 PM22.27'
4297/17/2018 6:06 PM22.27'
4297/17/2018 2:16 PM22.17'
4297/17/2018 10:15 AM22.14'
4297/17/2018 6:14 AM22.20'
4297/17/2018 4:38 AM22.26'
4297/17/2018 2:13 AM22.36'
4297/16/2018 10:12 PM22.35'
4297/16/2018 6:12 PM22.26'
4297/16/2018 2:11 PM22.23'
4297/16/2018 2:02 PM22.23'
4297/16/2018 12:07 PM22.13'
4297/16/2018 10:10 AM22.24'
4297/16/2018 6:09 AM22.17'
4297/16/2018 5:59 AM22.18'
4297/16/2018 4:22 AM22.28'
4297/16/2018 2:08 AM22.38'
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 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.