Notes
2023-10-30: The vertical datum of the USGS gauge for Lake Stamford has been updated to NAV88.
Lake Stamford: 70.8% full as of 2026-08-14
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 | 2026-08-14 | 70.8 | 1,413.72 | 36,524 | 36,521 | 51,570 | 3,970 |
| Yesterday | 2026-08-13 | 71.0 | 1,413.75 | 36,643 | 36,640 | 51,570 | 3,980 |
| 2 days ago | 2026-08-12 | 71.4 | 1,413.79 | 36,803 | 36,800 | 51,570 | 3,994 |
| 1 week ago | 2026-08-07 | 72.5 | 1,413.94 | 37,406 | 37,403 | 51,570 | 4,044 |
| 1 month ago | 2026-07-14 | 65.1 | 1,412.96 | 33,583 | 33,580 | 51,570 | 3,720 |
| 3 months ago | 2026-05-14 | 72.7 | 1,413.96 | 37,487 | 37,484 | 51,570 | 4,051 |
| 6 months ago | 2026-02-14 | 82.4 | 1,415.14 | 42,479 | 42,476 | 51,570 | 4,452 |
| 1 year ago | 2025-08-14 | 100.0 | 1,417.09 | 51,832 | 51,570 | 51,570 | 5,142 |
*
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 | 2026-08-14 10:30 | 1,413.72 | 1,416.80 | -3.08 |
| 1 hour prior | 2026-08-14 09:30 | 1,413.73 | 1,416.80 | -3.07 |
| 2 hours prior | 2026-08-14 08:30 | 1,413.73 | 1,416.80 | -3.07 |
| 6 hours prior | 2026-08-14 04:30 | 1,413.73 | 1,416.80 | -3.07 |
| 12 hours prior | 2026-08-13 22:30 | 1,413.73 | 1,416.80 | -3.07 |
| 24 hours prior | 2026-08-13 10:30 | 1,413.77 | 1,416.80 | -3.03 |
| 48 hours prior | 2026-08-12 10:30 | 1,413.81 | 1,416.80 | -2.99 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1953-01-01 |
| Vertical datum | NGVD29 (NAVD88 + 0.24) |
| Dead pool elevation | 1,382.80 ft above NGVD29 |
| Service spillway crest elevation | 1,416.80 ft above NGVD29 |
| Emergency spillway crest elevation | 1,425.80 ft above NGVD29 |
| Top of dam elevation | 1,436.80 ft above NGVD29 |
| Conservation pool elevation | 1,416.80 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
1999-08-01 (source: TWDB)
: GIS Data
|
|
| Data Source | USGS:08084500 |
| USGS Monitoring Location | USGS:08084500 |
Lake Location
