Agency
v
Subscribe to
Real-time Alerts
Location
v
Last
v
Reported from
v
Show Current Conditions
Stream Elevation Sensor 1678
1675 Halls Bayou @ Tidwell Road
Key Map 455B
Sensor ID 1678
Sensor Type Bubbler
Installed 1/3/2002
Flooding Likely 39.90'
Flooding Possible 36.90'
Bottom of Stream 17.53'
Tip of Orifice 18.21'
Measuring Plate 50.09'
Benchmark 46.85'
150289 Stamped 150289 EST 2012 located on the downstream sidewalk of east bound lanes at east end of bridge, 1988 NAVD, 2001 adjustment. 78 to 01 Adjustment -0.86'
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 1678 is 19.42'
Reading on 7/21/2019 8:21 AM
Export to Excel
2 Days
Sensor
Reading Date
Elevation
16787/21/2019 8:21 AM19.42'
16787/21/2019 7:51 AM19.44'
16787/21/2019 6:07 AM19.52'
16787/21/2019 4:23 AM19.62'
16787/21/2019 3:51 AM19.66'
16787/21/2019 2:49 AM19.73'
16787/21/2019 1:37 AM19.83'
16787/20/2019 11:51 PM19.97'
16787/20/2019 10:39 PM19.93'
16787/20/2019 10:11 PM19.83'
16787/20/2019 9:49 PM19.72'
16787/20/2019 9:31 PM19.62'
16787/20/2019 9:05 PM19.52'
16787/20/2019 8:41 PM19.42'
16787/20/2019 8:23 PM19.31'
16787/20/2019 8:07 PM19.21'
16787/20/2019 7:51 PM19.15'
16787/20/2019 3:51 PM19.07'
16787/20/2019 11:51 AM19.07'
16787/20/2019 7:51 AM19.07'
16787/20/2019 3:51 AM19.06'
16787/19/2019 11:51 PM19.05'
16787/19/2019 7:51 PM19.07'
16787/19/2019 3:51 PM19.09'
16787/19/2019 11:51 AM19.10'
Flood Frequency
Elevation
10% (10-year)39.20'
2% (50-year)41.60'
1% (100-year)42.30'
.2% (500-year)44.40'
Historical Storm
Date
Event
Elevation
12/14/2005 34.00'
6/19/2006 36.20'
10/16/2006 37.30'
9/13/2008Ike39.90'
10/31/2015 37.50'
4/18/2016 32.90'
8/8/2017 30.40'
8/27/2017Harvey45.40'
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.