Notes
2023-10-30: The vertical datum of the USGS gauge for Lake Stamford has been updated to NAV88.
Lake Stamford: 70.5% full as of 2026-08-15
Historical Data
| Date | Percent Full |
Mean Water Level (ft) |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
Surface Area (acres) |
|
|---|---|---|---|---|---|---|---|
| Most recent | 2026-08-15 | 70.5 | 1,413.68 | 36,365 | 36,362 | 51,570 | 3,957 |
| 1 day prior | 2026-08-14 | 70.7 | 1,413.71 | 36,484 | 36,481 | 51,570 | 3,967 |
| 2 days prior | 2026-08-13 | 71.0 | 1,413.75 | 36,643 | 36,640 | 51,570 | 3,980 |
| 1 week prior | 2026-08-08 | 72.3 | 1,413.91 | 37,285 | 37,282 | 51,570 | 4,034 |
| 1 month prior | 2026-07-15 | 65.0 | 1,412.94 | 33,508 | 33,505 | 51,570 | 3,713 |
| 3 months prior | 2026-05-15 | 72.5 | 1,413.94 | 37,406 | 37,403 | 51,570 | 4,044 |
| 6 months prior | 2026-02-15 | 82.3 | 1,415.13 | 42,434 | 42,431 | 51,570 | 4,449 |
| 1 year prior | 2025-08-15 | 100.0 | 1,417.07 | 51,728 | 51,570 | 51,570 | 5,134 |
*
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 | 2026-08-15 23:30 | 1,413.66 | 1,416.80 | -3.14 |
| 1 hour prior | 2026-08-15 22:30 | 1,413.66 | 1,416.80 | -3.14 |
| 2 hours prior | 2026-08-15 21:30 | 1,413.65 | 1,416.80 | -3.15 |
| 6 hours prior | 2026-08-15 17:30 | 1,413.67 | 1,416.80 | -3.13 |
| 12 hours prior | 2026-08-15 11:30 | 1,413.68 | 1,416.80 | -3.12 |
| 24 hours prior | 2026-08-14 23:30 | 1,413.68 | 1,416.80 | -3.12 |
| 48 hours prior | 2026-08-13 23:30 | 1,413.73 | 1,416.80 | -3.07 |
*
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
