Lake Tyler: 84.6% full as of 2026-10-13
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 | 2026-10-13 | 84.6 | 372.89 | 66,183 | 60,972 | 72,073 | 4,230 |
| Yesterday | 2026-10-12 | 84.7 | 372.91 | 66,268 | 61,057 | 72,073 | 4,233 |
| 2 days ago | 2026-10-11 | 84.9 | 372.94 | 66,395 | 61,184 | 72,073 | 4,238 |
| 1 week ago | 2026-10-06 | 85.6 | 373.06 | 66,905 | 61,694 | 72,073 | 4,258 |
| 1 month ago | 2026-09-13 | 88.5 | 373.55 | 69,012 | 63,801 | 72,073 | 4,343 |
| 3 months ago | 2026-07-13 | 97.2 | 374.94 | 75,232 | 70,021 | 72,073 | 4,614 |
| 6 months ago | 2026-04-13 | 98.1 | 375.09 | 75,926 | 70,715 | 72,073 | 4,647 |
| 1 year ago | 2025-10-13 | 92.0 | 374.12 | 71,517 | 66,306 | 72,073 | 4,448 |
*
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 | 2026-10-13 16:30 | 372.89 | 375.38 | -2.49 |
| 1 hour prior | 2026-10-13 15:30 | 372.87 | 375.38 | -2.51 |
| 2 hours prior | 2026-10-13 14:30 | 372.89 | 375.38 | -2.49 |
| 6 hours prior | 2026-10-13 10:30 | 372.88 | 375.38 | -2.50 |
| 12 hours prior | 2026-10-13 04:30 | 372.89 | 375.38 | -2.49 |
| 24 hours prior | 2026-10-12 16:30 | 372.87 | 375.38 | -2.51 |
| 48 hours prior | 2026-10-11 16:30 | 372.92 | 375.38 | -2.46 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1967-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 350.00 ft above NGVD29 |
| Service spillway crest elevation | 375.38 ft above NGVD29 |
| Top of dam elevation | 390.00 ft above NGVD29 |
| Conservation pool elevation | 375.38 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
1967-01-01 (source: USGS)
1997-06-01 (source: TWDB)
: GIS Data
2013-01-01 (source: TWDB)
: GIS Data
|
|
| Data Source | USGS:08034000 |
| USGS Monitoring Location | USGS:08034000 |
Lake Location
