Lake Marble Falls: 95.1% full as of 2026-10-02

Historical Data

Date Percent Full Mean Water Level
(ft) 		Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft) 		Surface Area
(acres)
Today 2026-10-02 95.1 736.39 7,227 7,227 7,597 601
Yesterday 2026-10-01 93.4 736.17 7,095 7,095 7,597 597
2 days ago 2026-09-30 98.2 736.77 7,457 7,457 7,597 609
1 week ago 2026-09-25 98.0 736.75 7,445 7,445 7,597 609
1 month ago 2026-09-02 94.7 736.34 7,197 7,197 7,597 600
3 months ago 2026-07-02 94.7 736.34 7,197 7,197 7,597 600
6 months ago 2026-04-02 93.8 736.22 7,125 7,125 7,597 598
1 year ago 2025-10-02 95.3 736.41 7,239 7,239 7,597 602
*

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 2026-10-02 17:00 736.06 737.00 -0.94
1 hour prior 2026-10-02 16:00 736.28 737.00 -0.72
2 hours prior 2026-10-02 15:00 736.34 737.00 -0.66
6 hours prior 2026-10-02 11:00 736.27 737.00 -0.73
12 hours prior 2026-10-02 05:00 736.42 737.00 -0.58
24 hours prior 2026-10-01 17:00 736.05 737.00 -0.95
48 hours prior 2026-09-30 17:00 736.72 737.00 -0.28
*

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