Lake Marble Falls: 97.3% full as of 2026-10-23

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 2026-10-23 97.3 736.66 7,390 7,390 7,597 607
Yesterday 2026-10-22 97.7 736.71 7,420 7,420 7,597 608
2 days ago 2026-10-21 97.2 736.65 7,384 7,384 7,597 607
1 week ago 2026-10-16 96.4 736.55 7,323 7,323 7,597 605
1 month ago 2026-09-23 97.9 736.74 7,438 7,438 7,597 608
3 months ago 2026-07-23 92.8 736.10 7,053 7,053 7,597 595
6 months ago 2026-04-23 95.3 736.41 7,239 7,239 7,597 602
1 year ago 2025-10-23 95.0 736.37 7,215 7,215 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 2026-10-23 02:35 736.66 737.00 -0.34
1 hour prior 2026-10-23 01:35 736.66 737.00 -0.34
2 hours prior 2026-10-23 00:35 736.66 737.00 -0.34
6 hours prior 2026-10-22 20:35 736.68 737.00 -0.32
12 hours prior 2026-10-22 14:35 736.69 737.00 -0.31
24 hours prior 2026-10-22 02:35 736.75 737.00 -0.25
48 hours prior 2026-10-21 02:35 736.71 737.00 -0.29
*

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