Lake Limestone: 91.8% full as of 2026-08-21
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 | 2026-08-21 | 91.8 | 361.63 | 187,103 | 187,103 | 203,780 | 11,948 |
| Yesterday | 2026-08-20 | 92.0 | 361.66 | 187,462 | 187,462 | 203,780 | 11,958 |
| 2 days ago | 2026-08-19 | 92.2 | 361.70 | 187,940 | 187,940 | 203,780 | 11,971 |
| 1 week ago | 2026-08-14 | 93.1 | 361.84 | 189,619 | 189,619 | 203,780 | 12,016 |
| 1 month ago | 2026-07-21 | 97.5 | 362.59 | 198,722 | 198,722 | 203,780 | 12,262 |
| 3 months ago | 2026-05-21 | 84.0 | 360.25 | 171,081 | 171,081 | 203,780 | 11,276 |
| 6 months ago | 2026-02-21 | 87.2 | 360.83 | 177,689 | 177,689 | 203,780 | 11,522 |
| 1 year ago | 2025-08-21 | 92.3 | 361.71 | 188,060 | 188,060 | 203,780 | 11,974 |
*
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 | 2026-08-21 20:45 | 361.60 | 363.00 | -1.40 |
| 1 hour prior | 2026-08-21 19:45 | 361.61 | 363.00 | -1.39 |
| 2 hours prior | 2026-08-21 18:45 | 361.61 | 363.00 | -1.39 |
| 6 hours prior | 2026-08-21 14:45 | 361.62 | 363.00 | -1.38 |
| 12 hours prior | 2026-08-21 08:45 | 361.63 | 363.00 | -1.37 |
| 24 hours prior | 2026-08-20 20:45 | 361.64 | 363.00 | -1.36 |
| 48 hours prior | 2026-08-19 20:45 | 361.68 | 363.00 | -1.32 |
*
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
