Lake Marble Falls: 97.7% full as of 2026-10-28

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 2026-10-28 97.7 736.71 7,420 7,420 7,597 608
1 day prior 2026-10-27 97.2 736.65 7,384 7,384 7,597 607
2 days prior 2026-10-26 97.3 736.66 7,390 7,390 7,597 607
1 week prior 2026-10-21 97.2 736.65 7,384 7,384 7,597 607
1 month prior 2026-09-28 98.5 736.81 7,481 7,481 7,597 610
3 months prior 2026-07-28 94.6 736.32 7,185 7,185 7,597 600
6 months prior 2026-04-28 95.1 736.39 7,227 7,227 7,597 601
1 year prior 2025-10-28 94.7 736.33 7,191 7,191 7,597 600
*

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 2026-10-28 23:25 736.66 737.00 -0.34
1 hour prior 2026-10-28 22:25 736.66 737.00 -0.34
2 hours prior 2026-10-28 21:25 736.67 737.00 -0.33
6 hours prior 2026-10-28 17:25 736.67 737.00 -0.33
12 hours prior 2026-10-28 11:25 736.70 737.00 -0.30
24 hours prior 2026-10-27 23:25 736.74 737.00 -0.26
48 hours prior 2026-10-26 23:25 736.72 737.00 -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