Lake Limestone: 93.6% full as of 2026-08-13
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 | 2026-08-13 | 93.6 | 361.93 | 190,702 | 190,702 | 203,780 | 12,044 |
| Yesterday | 2026-08-12 | 93.8 | 361.96 | 191,063 | 191,063 | 203,780 | 12,054 |
| 2 days ago | 2026-08-11 | 94.1 | 362.01 | 191,666 | 191,666 | 203,780 | 12,070 |
| 1 week ago | 2026-08-06 | 94.8 | 362.14 | 193,239 | 193,239 | 203,780 | 12,112 |
| 1 month ago | 2026-07-13 | 98.4 | 362.73 | 200,443 | 200,443 | 203,780 | 12,312 |
| 3 months ago | 2026-05-13 | 84.3 | 360.32 | 171,871 | 171,871 | 203,780 | 11,302 |
| 6 months ago | 2026-02-13 | 87.0 | 360.80 | 177,343 | 177,343 | 203,780 | 11,506 |
| 1 year ago | 2025-08-13 | 93.2 | 361.86 | 189,860 | 189,860 | 203,780 | 12,022 |
*
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 | 2026-08-13 07:15 | 361.90 | 363.00 | -1.10 |
| 1 hour prior | 2026-08-13 06:15 | 361.91 | 363.00 | -1.09 |
| 2 hours prior | 2026-08-13 05:15 | 361.93 | 363.00 | -1.07 |
| 6 hours prior | 2026-08-13 01:15 | 361.93 | 363.00 | -1.07 |
| 12 hours prior | 2026-08-12 19:15 | 361.93 | 363.00 | -1.07 |
| 24 hours prior | 2026-08-12 07:15 | 361.99 | 363.00 | -1.01 |
| 48 hours prior | 2026-08-11 07:15 | 362.04 | 363.00 | -0.96 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1978-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 322.00 ft above NGVD29 |
| Service spillway crest elevation | 337.00 ft above NGVD29 |
| Emergency spillway crest elevation | 369.60 ft above NGVD29 |
| Emergency spillway crest elevation | 370.00 ft above NGVD29 |
| Maximum design elevation | 376.00 ft above NGVD29 |
| Top of dam elevation | 380.00 ft above NGVD29 |
| Conservation pool elevation | 363.00 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
1978-01-01 (source: USGS)
1995-10-01 (source: USGS)
2002-04-01 (source: TWDB)
: GIS Data
2012-04-01 (source: TWDB)
: GIS Data
|
|
| Data Source | USGS:08110470 |
| USGS Monitoring Location | USGS:08110470 |