Notes
2023-10-30: The vertical datum of the USGS gauge for Lake Stamford has been updated to NAV88.
Lake Stamford: 71.7% full as of 2026-08-11
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 | 2026-08-11 | 71.7 | 1,413.83 | 36,963 | 36,960 | 51,570 | 4,007 |
| Yesterday | 2026-08-10 | 71.9 | 1,413.86 | 37,084 | 37,081 | 51,570 | 4,017 |
| 2 days ago | 2026-08-09 | 72.1 | 1,413.88 | 37,164 | 37,161 | 51,570 | 4,024 |
| 1 week ago | 2026-08-04 | 73.2 | 1,414.03 | 37,771 | 37,768 | 51,570 | 4,075 |
| 1 month ago | 2026-07-11 | 65.0 | 1,412.95 | 33,545 | 33,542 | 51,570 | 3,716 |
| 3 months ago | 2026-05-11 | 73.0 | 1,414.00 | 37,650 | 37,647 | 51,570 | 4,064 |
| 6 months ago | 2026-02-11 | 82.1 | 1,415.11 | 42,345 | 42,342 | 51,570 | 4,442 |
| 1 year ago | 2025-08-11 | 100.0 | 1,417.12 | 51,987 | 51,570 | 51,570 | 5,152 |
*
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 | 2026-08-11 18:30 | 1,413.82 | 1,416.80 | -2.98 |
| 1 hour prior | 2026-08-11 17:30 | 1,413.83 | 1,416.80 | -2.97 |
| 2 hours prior | 2026-08-11 16:30 | 1,413.82 | 1,416.80 | -2.98 |
| 6 hours prior | 2026-08-11 12:30 | 1,413.84 | 1,416.80 | -2.96 |
| 12 hours prior | 2026-08-11 06:30 | 1,413.83 | 1,416.80 | -2.97 |
| 24 hours prior | 2026-08-10 18:30 | 1,413.85 | 1,416.80 | -2.95 |
| 48 hours prior | 2026-08-09 18:30 | 1,413.88 | 1,416.80 | -2.92 |
*
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
