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Stream Elevation Sensor 1629
1630 Garners Bayou @ Beltway 8
Sensor ID 1629
Sensor Type USGS Bubbler
Installed 6/27/1984
Flooding Likely 52.60'
Flooding Possible 49.60'
Bottom of Stream 31.60'
Tip of Orifice 32.64'
Measuring Plate 59.76'
External Link USGS
Benchmark 56.88'
RM 150456R stamped 150456Ris located in top of curb of the east bound downstream lane approximately 85ft east of gage house. 1988 NAVD, 2001 adjustment. 78 to 01 Adjustment -0.80'
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 1629 is 33.91'
Reading on 7/3/2025 3:43 AM
Export to Excel
2 Days
Sensor
Reading Date
Elevation
16297/3/2025 3:43 AM33.91'
16297/3/2025 3:23 AM33.90'
16297/2/2025 11:43 PM33.96'
16297/2/2025 7:43 PM33.94'
16297/2/2025 3:43 PM33.96'
16297/2/2025 11:43 AM33.96'
16297/2/2025 7:43 AM33.98'
16297/2/2025 5:53 AM34.01'
16297/2/2025 3:43 AM34.06'
16297/2/2025 1:23 AM34.12'
16297/1/2025 11:43 PM34.15'
16297/1/2025 7:43 PM34.16'
16297/1/2025 3:43 PM34.23'
16297/1/2025 2:29 PM34.23'
16297/1/2025 11:43 AM34.30'
16297/1/2025 10:07 AM34.33'
16297/1/2025 8:49 AM34.44'
16297/1/2025 8:47 AM34.63'
16297/1/2025 8:43 AM34.46'
16297/1/2025 8:41 AM34.58'
16297/1/2025 7:43 AM34.42'
16297/1/2025 7:11 AM34.46'
16297/1/2025 5:49 AM34.58'
Flood Frequency
Elevation
10% (10-year)54.90'
2% (50-year)55.80'
1% (100-year)56.50'
.2% (500-year)57.70'
Historical Storm
Date
Event
Elevation
10/9/1949 51.50'
8/18/1983Alicia58.20'
10/25/1984 57.30'
3/4/1992 56.30'
10/18/1994 51.50'
3/12/1997 49.10'
9/11/1998Frances52.60'
6/9/2001Allison #258.30'
10/29/2002 57.30'
12/14/2005 48.80'
6/19/2006 48.70'
10/16/2006 52.20'
9/13/2008Ike53.90'
10/31/2015 51.80'
4/18/2016 51.80'
8/27/2017Harvey58.00'
9/19/2019Imelda56.50'
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.