Lake Ray Hubbard: 99.9% full as of 2024-04-28

The elevation-storage rating curve used to produce the storage hydrograph is made of two segments: (1) the segment up to the conservation pool top (below the red line) is based on measured data, and (2) the segment in the flood pool (above the red line) is an extrapolation from the first segment and shouldn't be relied upon for flood storage information.

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 2024-04-28 99.9 435.47 438,932 438,932 439,559 20,910
Yesterday 2024-04-27 100.0 435.54 440,399 439,559 439,559 20,998
2 days ago 2024-04-26 100.0 435.55 440,610 439,559 439,559 21,010
1 week ago 2024-04-21 100.0 435.83 446,543 439,559 439,559 21,382
1 month ago 2024-03-28 99.9 435.47 438,932 438,932 439,559 20,910
3 months ago 2024-01-28 99.5 435.40 437,470 437,470 439,559 20,822
6 months ago 2023-10-28 86.7 432.58 380,927 380,927 439,559 19,575
1 year ago 2023-04-28 100.0 435.59 441,450 439,559 439,559 21,061
*

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)
Conservation Pool Elevation
(ft)
Height Above Conservation Pool
(ft)
Most recent 2024-04-28 01:15 435.50 435.50 0.00
1 hour prior 2024-04-28 00:15 435.49 435.50 -0.01
2 hours prior 2024-04-27 23:15 435.46 435.50 -0.04
6 hours prior 2024-04-27 19:15 435.53 435.50 0.03
12 hours prior 2024-04-27 13:15 435.52 435.50 0.02
24 hours prior 2024-04-27 01:15 435.60 435.50 0.10
48 hours prior 2024-04-26 01:15 435.55 435.50 0.05
*

Data is provisional and subject to revision.

Additional Information

Impoundment date 1969-01-01
Vertical datum NGVD29
Dead pool elevation 388.00 ft above NGVD29
Service spillway crest elevation 409.50 ft above NGVD29
Top of flood gate elevation 437.50 ft above NGVD29
Emergency spillway crest elevation 437.50 ft above NGVD29
Top of dam elevation 450.00 ft above NGVD29
Conservation pool elevation 435.50 ft above NGVD29
Data download (CSV) period of record, last one year, last 30 days

Elevation-Area-Capacity Curves

1969-01-01 (source: USGS)
1997-10-01 (source: USGS)
2005-05-01 (source: TWDB) : GIS Data
2015-08-01 (source: TWDB) : GIS Data
Data Source USGS:08061550

Lake Location