Lake Limestone: 85.3% full as of 2026-09-29
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 | 2026-09-29 | 85.3 | 360.50 | 173,911 | 173,911 | 203,780 | 11,373 |
| Yesterday | 2026-09-28 | 85.5 | 360.52 | 174,139 | 174,139 | 203,780 | 11,382 |
| 2 days ago | 2026-09-27 | 85.6 | 360.55 | 174,481 | 174,481 | 203,780 | 11,394 |
| 1 week ago | 2026-09-22 | 86.6 | 360.72 | 176,424 | 176,424 | 203,780 | 11,469 |
| 1 month ago | 2026-08-29 | 89.7 | 361.26 | 182,705 | 182,705 | 203,780 | 11,823 |
| 3 months ago | 2026-06-29 | 100.0 | 363.08 | 204,774 | 203,780 | 203,780 | - n.a. - |
| 6 months ago | 2026-03-29 | 84.0 | 360.26 | 171,194 | 171,194 | 203,780 | 11,279 |
| 1 year ago | 2025-09-29 | 92.8 | 361.80 | 189,138 | 189,138 | 203,780 | 12,003 |
*
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 | 2026-09-29 10:45 | 360.47 | 363.00 | -2.53 |
| 1 hour prior | 2026-09-29 09:45 | 360.48 | 363.00 | -2.52 |
| 2 hours prior | 2026-09-29 08:45 | 360.49 | 363.00 | -2.51 |
| 6 hours prior | 2026-09-29 04:45 | 360.51 | 363.00 | -2.49 |
| 12 hours prior | 2026-09-28 22:45 | 360.50 | 363.00 | -2.50 |
| 24 hours prior | 2026-09-28 10:45 | 360.54 | 363.00 | -2.46 |
| 48 hours prior | 2026-09-27 10:45 | 360.56 | 363.00 | -2.44 |
*
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 |