Lake Marble Falls: 97.3% full as of 2026-11-12

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 2026-11-12 97.3 736.66 7,390 7,390 7,597 607
Yesterday 2026-11-11 95.3 736.41 7,239 7,239 7,597 602
2 days ago 2026-11-10 91.4 735.92 6,946 6,946 7,597 592
1 week ago 2026-11-05 98.2 736.77 7,457 7,457 7,597 609
1 month ago 2026-10-12 97.9 736.74 7,438 7,438 7,597 608
3 months ago 2026-08-12 94.3 736.28 7,161 7,161 7,597 599
6 months ago 2026-05-12 96.2 736.52 7,305 7,305 7,597 604
1 year ago 2025-11-12 95.1 736.39 7,227 7,227 7,597 601
*

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 2026-11-12 08:30 736.23 737.00 -0.77
1 hour prior 2026-11-12 07:30 736.23 737.00 -0.77
2 hours prior 2026-11-12 06:30 736.32 737.00 -0.68
6 hours prior 2026-11-12 02:30 736.69 737.00 -0.31
12 hours prior 2026-11-11 20:30 736.29 737.00 -0.71
24 hours prior 2026-11-11 08:30 736.38 737.00 -0.62
48 hours prior 2026-11-10 08:30 735.62 737.00 -1.38
*

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