Lake Limestone: 93.1% full as of 2026-08-14
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 | 2026-08-14 | 93.1 | 361.85 | 189,739 | 189,739 | 203,780 | 12,019 |
| Yesterday | 2026-08-13 | 93.3 | 361.88 | 190,100 | 190,100 | 203,780 | 12,028 |
| 2 days ago | 2026-08-12 | 93.8 | 361.96 | 191,063 | 191,063 | 203,780 | 12,054 |
| 1 week ago | 2026-08-07 | 94.8 | 362.13 | 193,117 | 193,117 | 203,780 | 12,109 |
| 1 month ago | 2026-07-14 | 98.3 | 362.72 | 200,319 | 200,319 | 203,780 | 12,308 |
| 3 months ago | 2026-05-14 | 84.2 | 360.30 | 171,645 | 171,645 | 203,780 | 11,294 |
| 6 months ago | 2026-02-14 | 87.0 | 360.80 | 177,343 | 177,343 | 203,780 | 11,506 |
| 1 year ago | 2025-08-14 | 92.9 | 361.81 | 189,259 | 189,259 | 203,780 | 12,006 |
*
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 | 2026-08-14 16:45 | 361.82 | 363.00 | -1.18 |
| 1 hour prior | 2026-08-14 15:45 | 361.83 | 363.00 | -1.17 |
| 2 hours prior | 2026-08-14 14:45 | 361.84 | 363.00 | -1.16 |
| 6 hours prior | 2026-08-14 10:45 | 361.85 | 363.00 | -1.15 |
| 12 hours prior | 2026-08-14 04:45 | 361.85 | 363.00 | -1.15 |
| 24 hours prior | 2026-08-13 16:45 | 361.86 | 363.00 | -1.14 |
| 48 hours prior | 2026-08-12 16:45 | 361.94 | 363.00 | -1.06 |
*
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 |