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 |