Lake Limestone: 95.6% full as of 2026-07-31
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 | 2026-07-31 | 95.6 | 362.27 | 194,816 | 194,816 | 203,780 | 12,155 |
| Yesterday | 2026-07-30 | 95.8 | 362.30 | 195,180 | 195,180 | 203,780 | 12,164 |
| 2 days ago | 2026-07-29 | 96.0 | 362.33 | 195,545 | 195,545 | 203,780 | 12,174 |
| 1 week ago | 2026-07-24 | 96.9 | 362.48 | 197,375 | 197,375 | 203,780 | 12,225 |
| 1 month ago | 2026-06-30 | 100.0 | 363.06 | 204,526 | 203,780 | 203,780 | - n.a. - |
| 3 months ago | 2026-04-30 | 83.9 | 360.24 | 170,968 | 170,968 | 203,780 | 11,272 |
| 6 months ago | 2026-01-31 | 88.0 | 360.98 | 179,423 | 179,423 | 203,780 | 11,604 |
| 1 year ago | 2025-07-31 | 95.2 | 362.21 | 194,087 | 194,087 | 203,780 | 12,135 |
*
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 | 2026-07-31 18:45 | 362.25 | 363.00 | -0.75 |
| 1 hour prior | 2026-07-31 17:45 | 362.25 | 363.00 | -0.75 |
| 2 hours prior | 2026-07-31 16:45 | 362.26 | 363.00 | -0.74 |
| 6 hours prior | 2026-07-31 12:45 | 362.27 | 363.00 | -0.73 |
| 12 hours prior | 2026-07-31 06:45 | 362.27 | 363.00 | -0.73 |
| 24 hours prior | 2026-07-30 18:45 | 362.27 | 363.00 | -0.73 |
| 48 hours prior | 2026-07-29 18:45 | 362.31 | 363.00 | -0.69 |
*
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 |