Lake Marble Falls: 95.0% full as of 2026-08-02

Historical Data

Date Percent Full Mean Water Level
(ft) 		Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft) 		Surface Area
(acres)
Most recent 2026-08-02 95.0 736.37 7,215 7,215 7,597 601
1 day prior 2026-08-01 94.5 736.31 7,179 7,179 7,597 600
2 days prior 2026-07-31 94.1 736.26 7,149 7,149 7,597 599
1 week prior 2026-07-26 94.3 736.29 7,167 7,167 7,597 599
1 month prior 2026-07-02 94.7 736.34 7,197 7,197 7,597 600
3 months prior 2026-05-02 97.4 736.67 7,396 7,396 7,597 607
6 months prior 2026-02-02 95.6 736.45 7,263 7,263 7,597 603
1 year prior 2025-08-02 96.0 736.50 7,293 7,293 7,597 604
*

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 2026-08-02 23:30 736.40 737.00 -0.60
1 hour prior 2026-08-02 22:30 736.25 737.00 -0.75
2 hours prior 2026-08-02 21:30 736.09 737.00 -0.91
6 hours prior 2026-08-02 17:30 736.34 737.00 -0.66
12 hours prior 2026-08-02 11:30 736.36 737.00 -0.64
24 hours prior 2026-08-01 23:30 736.41 737.00 -0.59
48 hours prior 2026-07-31 23:30 736.39 737.00 -0.61
*

Data is provisional and subject to revision.

Additional Information

Impoundment date 1951-01-01
Vertical datum NAVD88 +0.69
Top of gate elevation 738.54 ft above NAVD88 +0.69
Top of dam elevation 761.50 ft above NAVD88 +0.69
Conservation pool elevation 737.00 ft above NAVD88 +0.69
Data download (CSV) period of record, last one year, last 30 days

Elevation-Area-Capacity Curves

2007-04-01 (source: TWDB) : GIS Data
2020-02-01 (source: TWDB) : GIS Data
Data Source LCRA:2999

Lake Location