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To learn about the Corps of Engineers’ Addicks and Barker Reservoirs and their operation go here.

 

To see the flowrate in Buffalo Bayou at Piney Point Road, the Corps of Engineers’ operational flow control point, go to USGS Piney Point.

 

 

Key Elevations in Addicks Reservoir:

103.8

Low Point of Barker Cypress Rd.

96.6

Low Point of Eldridge Parkway

96.0

Low Point of SH 6

 

 

Addicks Reservoir Elevation Sensor 2109
2110_Addicks Dam
Key Map 448X
Sensor ID 2109
Sensor Type USGS Radar
Installed 1/12/2000
Top of Spillway (TOS) 108.00'
Bottom of Addicks Reservoir 67.82'
Tip of Orifice 112.39'
Measuring Plate 88.41'
External Link USGS
Benchmark 117.02'
RM 210403 stamped COE U100 BM08 located 6inches south of COE dedication monument. 78 to 01 adjustment -1.14
As of July 1, 2007, the elevation datum was changed from 1929 NGVD, 1978 adjustment to the 1988 NAVD, 2001 adjustment.

The Addicks Reservoir Elevation  chart showing Addicks Reservoir Elevation Left series.
Cross Section
Addicks Reservoir Elevation for sensor 2109 is 69.08'
Reading on 7/17/2018 11:03 PM
Export to Excel
24 Hours
Sensor
Reading Date
Elevation
21097/17/2018 11:03 PM69.08'
21097/17/2018 7:03 PM69.09'
21097/17/2018 4:41 PM69.07'
21097/17/2018 3:03 PM69.11'
21097/17/2018 12:01 PM69.18'
21097/17/2018 11:03 AM69.23'
21097/17/2018 7:03 AM69.30'
21097/17/2018 3:03 AM69.27'
Flood Frequency
Elevation
10% (10-Year)96.50'
2% (50-Year)98.40'
1% (100-Year)100.30'
Historical Storm
Date
Event
Elevation
7/26/2006 90.80'
4/28/2009 100.00'
7/12/2012 94.10'
4/18/2016 102.50'
8/27/2017Harvey109.10'
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.