Lake Limestone: 82.9% full as of 2026-10-21
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 | 2026-10-21 | 82.9 | 360.05 | 168,833 | 168,833 | 203,780 | 11,203 |
| Yesterday | 2026-10-20 | 82.9 | 360.06 | 168,945 | 168,945 | 203,780 | 11,206 |
| 2 days ago | 2026-10-19 | 83.0 | 360.08 | 169,169 | 169,169 | 203,780 | 11,214 |
| 1 week ago | 2026-10-14 | 83.8 | 360.23 | 170,855 | 170,855 | 203,780 | 11,268 |
| 1 month ago | 2026-09-21 | 86.6 | 360.73 | 176,539 | 176,539 | 203,780 | 11,474 |
| 3 months ago | 2026-07-21 | 97.5 | 362.59 | 198,722 | 198,722 | 203,780 | 12,262 |
| 6 months ago | 2026-04-21 | 84.2 | 360.29 | 171,532 | 171,532 | 203,780 | 11,291 |
| 1 year ago | 2025-10-21 | 89.4 | 361.22 | 182,232 | 182,232 | 203,780 | 11,809 |
*
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 | 2026-10-21 03:45 | 360.02 | 363.00 | -2.98 |
| 1 hour prior | 2026-10-21 02:45 | 360.06 | 363.00 | -2.94 |
| 2 hours prior | 2026-10-21 01:45 | 360.03 | 363.00 | -2.97 |
| 6 hours prior | 2026-10-20 21:45 | 360.07 | 363.00 | -2.93 |
| 12 hours prior | 2026-10-20 15:45 | 360.04 | 363.00 | -2.96 |
| 24 hours prior | 2026-10-20 03:45 | 360.07 | 363.00 | -2.93 |
| 48 hours prior | 2026-10-19 03:45 | 360.07 | 363.00 | -2.93 |
*
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 |
Lake Location
