Reported from
Show Current Conditions

 Addicks Gate Status:  OPENED 9/19/2017 01:00 PM

For Addicks Reservoir water level, see information on this page.


To learn about the Corps of Engineers’ Addicks and Barker Reservoirs and their operation, go here or call 409-766-6377.


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:


Low Point of Barker Cypress Rd.


Low Point of Eldridge Parkway


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 69.91'
Reading on 12/15/2017 2:03 PM
Export to Excel
24 Hours
Reading Date
210912/15/2017 2:03 PM69.91'
210912/15/2017 1:43 PM69.88'
210912/15/2017 10:03 AM70.00'
210912/15/2017 6:03 AM69.98'
210912/15/2017 2:03 AM69.98'
210912/14/2017 10:03 PM69.98'
210912/14/2017 6:03 PM70.01'
Flood Frequency
10% (10-Year)96.50'
2% (50-Year)98.40'
1% (100-Year)100.30'
Historical Storm
7/26/2006 90.80'
4/28/2009 100.00'
7/12/2012 94.10'
4/18/2016 102.50'
High water mark elevations are approximate.
The Flood Warning System interactive map and website are for general information and educational purposes only. Their purpose is to provide information collected at gage stations, which monitor rainfall and water levels of streams and bayous as well as other weather information in the Harris County region. Use and interpretation of this data and information is the responsibility of the user. Neither the Harris County Flood Control District nor Harris County represents the data as 100 percent accurate. You should follow directions provided by emergency management officials when making decisions during flooding or other weather-related events.