Lake Georgetown: 80.4% full as of 2026-09-13
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 | 2026-09-13 | 80.4 | 784.93 | 30,628 | 30,565 | 38,005 | 1,146 |
| Yesterday | 2026-09-12 | 80.7 | 785.01 | 30,719 | 30,656 | 38,005 | 1,149 |
| 2 days ago | 2026-09-11 | 81.0 | 785.11 | 30,834 | 30,771 | 38,005 | 1,151 |
| 1 week ago | 2026-09-06 | 83.4 | 785.91 | 31,764 | 31,701 | 38,005 | 1,172 |
| 1 month ago | 2026-08-13 | 95.7 | 789.72 | 36,419 | 36,356 | 38,005 | 1,270 |
| 3 months ago | 2026-06-13 | 100.0 | 796.56 | 45,803 | 38,005 | 38,005 | - n.a. - |
| 6 months ago | 2026-03-13 | 76.9 | 783.73 | 29,271 | 29,208 | 38,005 | 1,115 |
| 1 year ago | 2025-09-13 | 87.0 | 787.06 | 33,129 | 33,066 | 38,005 | 1,202 |
*
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 | 2026-09-13 22:00 | 784.86 | 791.00 | -6.14 |
| 1 hour prior | 2026-09-13 21:00 | 784.86 | 791.00 | -6.14 |
| 2 hours prior | 2026-09-13 20:00 | 784.87 | 791.00 | -6.13 |
| 6 hours prior | 2026-09-13 16:00 | 784.90 | 791.00 | -6.10 |
| 12 hours prior | 2026-09-13 10:00 | 784.92 | 791.00 | -6.08 |
| 24 hours prior | 2026-09-12 22:00 | 784.96 | 791.00 | -6.04 |
| 48 hours prior | 2026-09-11 22:00 | 785.06 | 791.00 | -5.94 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1979-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 720.00 ft above NGVD29 |
| Service spillway crest elevation | 834.00 ft above NGVD29 |
| Emergency spillway crest elevation | 834.00 ft above NGVD29 |
| Flood pool elevation | 834.00 ft above NGVD29 |
| Maximum design elevation | 856.20 ft above NGVD29 |
| Top of dam elevation | 861.00 ft above NGVD29 |
| Conservation pool elevation | 791.00 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
1979-01-01 (source: USGS)
1995-05-01 (source: TWDB)
: GIS Data
2005-05-01 (source: TWDB)
: GIS Data
2016-01-01 (source: TWDB)
: GIS Data
|
|
| Data Source | USGS:08104650 |
| USGS Monitoring Location | USGS:08104650 |
Lake Location
