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Recent changes

2017-9-14:
The rating curve for Addicks Reservoir has been updated and replaced
with data from the U.S. Army Corps of Engineers Galveston District.

For near-real time water levels of this reservoir and others in flood stage, Visit Flood Viewer

plot of recent storage data
plot of storage data for the entire period of record
plot of statistics on the past three years of data



Addicks Reservoir is a flood control lake. It is not used for water
supply and under normal conditions it is empty.

Historical Data

Date
Percent Full

Mean Water Level
(ft)

Reservoir Storage
(acre-ft)

Conservation Storage
(acre-ft)

Conservation Capacity
(acre-ft)

Surface Area
(acres)
Today 2018-12-06 – n.a. – 68.83 – n.a. –– n.a. –– n.a. –– n.a. –
Yesterday 2018-12-05 – n.a. – 68.84 – n.a. –– n.a. –– n.a. –– n.a. –
2 days ago 2018-12-04 – n.a. – 68.82 – n.a. –– n.a. –– n.a. –– n.a. –
1 week ago 2018-11-29 – n.a. – 68.86 – n.a. –– n.a. –– n.a. –– n.a. –
1 month ago 2018-11-06 – n.a. – 79.11 – n.a. –– n.a. –– n.a. –– n.a. –
3 months ago 2018-09-06 – n.a. – 69.85 – n.a. –– n.a. –– n.a. –– n.a. –
6 months ago 2018-06-06 – n.a. – 68.88 – n.a. –– n.a. –– n.a. –– n.a. –
1 year ago 2017-12-06 – n.a. – 83.38 – n.a. –– n.a. –– n.a. –– n.a. –
*

Percent Full is based on Conservation Storage and Conservation Capacity and doesn’t account for storage in flood pool.

**

   Values above, including today’s are averaged conditions. For near real-time instantaneous water level, see table below or the interactive map viewer .

Most Recent Instantaneous Water Level

Date/time
Water Level
(ft)
Flood Pool Lower Bound
(ft)

Height Into Flood Pool
(ft)

Most recent 2018-12-06 08:30 68.88 67.5 1.4
into flood pool

1 hour prior 2018-12-06 07:30 68.86 67.5 1.4
into flood pool

2 hours prior 2018-12-06 06:30 68.87 67.5 1.4
into flood pool

6 hours prior 2018-12-06 02:30 68.83 67.5 1.3
into flood pool

12 hours prior 2018-12-05 20:30 68.84 67.5 1.3
into flood pool

24 hours prior 2018-12-05 08:30 68.85 67.5 1.3
into flood pool

48 hours prior 2018-12-04 08:30 68.85 67.5 1.3
into flood pool

*

Data is provisional and subject to revision.

Additional Information

Impoundment date1948-01-01
Vertical datumNAVD88
Gauge USGS:08073000
Dead pool elevation 67.5
ft above NAVD88

Emergency spillway crest elevation 108.0
ft above NGVD29

Top of dam elevation 121.0
ft above NGVD29

Data download (CSV) period of record , last one year , last 30 days

Elevation-Area-Capacity Curves

1974-10-01 (source: twdb)

2008-10-01 (source: usace)

Lake Location

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USGS 08073000 Addicks Res nr Addicks, TX

PROVISIONAL DATA SUBJECT TO REVISION


Click to hidestation-specific text

Funding for this site is provided by the cooperators / programs
below:
Click to go to the Corps of Engineers, Galveston District web page


Corps of Engineers, Galveston District


For specific information about
conservation pool elevation, current storage and percent full,
access the listing of major Texas reservoirs maintained by the
Texas Water Development Board here.



retransmission, forecasts and summary of this location by the National Weather Service
Retransmission, forecasts and summary by the National Weather
Service

Datum of gage changed from NGVD 1929, 1973 adjustment to NAVD 1988,
2001 adjustment, on Oct. 1, 2008. New datum is 3.12 ft below previous
datum.

Upstream View

Click for full size image.

Last
25 images from Addicks Res nr Addicks, TX

Downstream View

Click for full size image.

Last
25 images from Langham Ck at Addicks Res Outflow

This station managed by the Houston Field Unit.


Summary of all available data for this site



Instantaneous-data availability statement



Reservoir storage, acre feet

Most recent instantaneous value: 46.28 12-06-2018   09:30 CST

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Lake or reservoir water surface elevation above NAVD 1988, feet, Press Transducer, High Orifice

Most recent instantaneous value: 70.45 12-06-2018   09:15 CST

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Lake or reservoir water surface elevation above NAVD 1988, feet, Radar Sensor

Most recent instantaneous value: 68.91 12-06-2018   09:30 CST

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Page Contact Information: Texas Water Data Support Team
Page Last Modified: 2018-12-06 10:34:04 EST
1.92   1.48 vaww02