Lake Marble Falls: 97.0% full as of 2026-10-25
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 | 2026-10-25 | 97.0 | 736.63 | 7,372 | 7,372 | 7,597 | 606 |
| Yesterday | 2026-10-24 | 97.5 | 736.69 | 7,408 | 7,408 | 7,597 | 607 |
| 2 days ago | 2026-10-23 | 96.9 | 736.61 | 7,360 | 7,360 | 7,597 | 606 |
| 1 week ago | 2026-10-18 | 97.0 | 736.63 | 7,372 | 7,372 | 7,597 | 606 |
| 1 month ago | 2026-09-25 | 98.0 | 736.75 | 7,445 | 7,445 | 7,597 | 609 |
| 3 months ago | 2026-07-25 | 94.3 | 736.29 | 7,167 | 7,167 | 7,597 | 599 |
| 6 months ago | 2026-04-25 | 94.7 | 736.34 | 7,197 | 7,197 | 7,597 | 600 |
| 1 year ago | 2025-10-25 | 95.5 | 736.44 | 7,257 | 7,257 | 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 | 2026-10-25 20:00 | 736.17 | 737.00 | -0.83 |
| 1 hour prior | 2026-10-25 19:00 | 736.08 | 737.00 | -0.92 |
| 2 hours prior | 2026-10-25 18:00 | 736.46 | 737.00 | -0.54 |
| 6 hours prior | 2026-10-25 14:00 | 736.61 | 737.00 | -0.39 |
| 12 hours prior | 2026-10-25 08:00 | 736.64 | 737.00 | -0.36 |
| 24 hours prior | 2026-10-24 20:00 | 736.67 | 737.00 | -0.33 |
| 48 hours prior | 2026-10-23 20:00 | 736.23 | 737.00 | -0.77 |
*
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
