Leon Reservoir: 83.1% full as of 2026-01-11

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 2026-01-11 83.1 1,372.15 23,357 23,077 27,762 1,532
Yesterday 2026-01-10 83.3 1,372.18 23,403 23,123 27,762 1,535
2 days ago 2026-01-09 83.3 1,372.19 23,418 23,138 27,762 1,535
1 week ago 2026-01-04 83.6 1,372.24 23,495 23,215 27,762 1,539
1 month ago 2025-12-11 84.8 1,372.46 23,836 23,556 27,762 1,557
3 months ago 2025-10-11 85.3 1,372.54 23,961 23,681 27,762 1,563
6 months ago 2025-07-11 97.2 1,374.55 27,260 26,980 27,762 1,720
1 year ago 2025-01-11 98.2 1,374.72 27,554 27,274 27,762 1,734
*

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 2026-01-11 21:45 1,372.14 1,375.00 -2.86
1 hour prior 2026-01-11 20:45 1,372.14 1,375.00 -2.86
2 hours prior 2026-01-11 19:45 1,372.14 1,375.00 -2.86
6 hours prior 2026-01-11 15:45 1,372.15 1,375.00 -2.85
12 hours prior 2026-01-11 09:45 1,372.15 1,375.00 -2.85
24 hours prior 2026-01-10 21:45 1,372.16 1,375.00 -2.84
48 hours prior 2026-01-09 21:45 1,372.19 1,375.00 -2.81
*

Data is provisional and subject to revision.

Additional Information

Impoundment date 1954-01-01
Vertical datum NGVD29
Dead pool elevation 1,335.00 ft above NGVD29
Service spillway crest elevation 1,375.00 ft above NGVD29
Emergency spillway crest elevation 1,382.00 ft above NGVD29
Top of dam elevation 1,398.00 ft above NGVD29
Conservation pool elevation 1,375.00 ft above NGVD29
Data download (CSV) period of record, last one year, last 30 days

Elevation-Area-Capacity Curves

1974-10-01 (source: TWDB)
2015-09-01 (source: TWDB) : GIS Data
Data Source USGS:08099000

Lake Location