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Stream Elevation Sensor 1339
1340 Willow Creek @ SH 249
Harris County
Sensor ID 1339
Sensor Type Radar
Installed 7/18/1988
Flooding Likely 155.70'
Flooding Possible 152.70'
Bottom of Stream 143.60'
Tip of Orifice 164.92'
Measuring Plate 161.47'
Benchmark 161.13'
RM 120065 stamped RESET RM 120065 EST 2012 located on the downstream sidewalk of north bound lanes at north end of bridge, 1988 NAVD, 2001 adjustment. 78 to 01 Adjustment -0.4'
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 1339 is 145.23'
Reading on 11/7/2024 10:35 PM
Export to Excel
24 Hours
Sensor
Reading Date
Elevation
133911/7/2024 10:35 PM145.23'
133911/7/2024 7:59 PM145.26'
133911/7/2024 6:35 PM145.29'
133911/7/2024 2:35 PM145.35'
133911/7/2024 12:23 PM145.37'
133911/7/2024 10:35 AM145.41'
133911/7/2024 6:35 AM145.47'
133911/7/2024 6:15 AM145.47'
133911/7/2024 2:35 AM145.54'
133911/7/2024 1:09 AM145.57'
Flood Frequency
Elevation
10% (10-year)157.40'
2% (50-year)158.60'
1% (100-year)159.10'
.2% (500-year)160.60'
Historical Storm
Date
Event
Elevation
1/19/1979 160.50'
4/19/1979 163.10'
11/26/1985 156.10'
10/18/1994 157.20'
10/19/1998 156.10'
11/14/1998 154.60'
6/9/2001Allison #2151.70'
10/26/2006 157.60'
9/13/2008Ike156.90'
4/28/2009 155.90'
7/12/2012 156.90'
3/10/2016 155.97'
4/18/2016 158.40'
5/27/2016 158.00'
8/27/2017Harvey159.10'
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.