Lake Sweetwater: 16.3% full as of 2026-11-13
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 | 2026-11-13 | 16.3 | 2,090.26 | 2,001 | 2,001 | 12,267 | 201 |
| Yesterday | 2026-11-12 | 16.3 | 2,090.27 | 2,003 | 2,003 | 12,267 | 201 |
| 2 days ago | 2026-11-11 | 16.4 | 2,090.29 | 2,006 | 2,006 | 12,267 | 201 |
| 1 week ago | 2026-11-06 | 16.4 | 2,090.31 | 2,010 | 2,010 | 12,267 | 201 |
| 1 month ago | 2026-10-13 | 16.4 | 2,090.32 | 2,012 | 2,012 | 12,267 | 201 |
| 3 months ago | 2026-08-13 | 18.7 | 2,091.69 | 2,293 | 2,293 | 12,267 | 218 |
| 6 months ago | 2026-05-13 | 22.3 | 2,093.65 | 2,731 | 2,731 | 12,267 | 240 |
| 1 year ago | 2025-11-13 | 25.9 | 2,095.50 | 3,180 | 3,180 | 12,267 | 263 |
*
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 | 2026-11-13 18:45 | 2,090.26 | 2,116.50 | -26.24 |
| 1 hour prior | 2026-11-13 17:45 | 2,090.26 | 2,116.50 | -26.24 |
| 2 hours prior | 2026-11-13 16:45 | 2,090.27 | 2,116.50 | -26.23 |
| 6 hours prior | 2026-11-13 12:45 | 2,090.27 | 2,116.50 | -26.23 |
| 12 hours prior | 2026-11-13 06:45 | 2,090.26 | 2,116.50 | -26.24 |
| 24 hours prior | 2026-11-12 18:45 | 2,090.27 | 2,116.50 | -26.23 |
| 48 hours prior | 2026-11-11 18:45 | 2,090.28 | 2,116.50 | -26.22 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1930-01-01 |
| Vertical datum | NGVD29 |
| Service spillway crest elevation | 2,116.50 ft above NGVD29 |
| Top of dam elevation | 2,128.50 ft above NGVD29 |
| Conservation pool elevation | 2,116.50 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
1974-10-01 (source: TWDB)
|
|
| Data Source | USGS:08083200 |
| USGS Monitoring Location | USGS:08083200 |
Lake Location
