Notes
2023-10-30: The vertical datum of the USGS gauge for Lake Stamford has been updated to NAV88.
Lake Stamford: 72.4% full as of 2026-08-08
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 | 2026-08-08 | 72.4 | 1,413.92 | 37,325 | 37,322 | 51,570 | 4,037 |
| 1 day prior | 2026-08-07 | 72.5 | 1,413.94 | 37,406 | 37,403 | 51,570 | 4,044 |
| 2 days prior | 2026-08-06 | 72.8 | 1,413.97 | 37,528 | 37,525 | 51,570 | 4,054 |
| 1 week prior | 2026-08-01 | 73.9 | 1,414.12 | 38,138 | 38,135 | 51,570 | 4,104 |
| 1 month prior | 2026-07-08 | 65.8 | 1,413.05 | 33,919 | 33,916 | 51,570 | 3,750 |
| 3 months prior | 2026-05-08 | 73.2 | 1,414.03 | 37,771 | 37,768 | 51,570 | 4,075 |
| 6 months prior | 2026-02-08 | 82.1 | 1,415.11 | 42,345 | 42,342 | 51,570 | 4,442 |
| 1 year prior | 2025-08-08 | 100.0 | 1,417.22 | 52,508 | 51,570 | 51,570 | 5,187 |
*
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 | 2026-08-08 22:30 | 1,413.89 | 1,416.80 | -2.91 |
| 1 hour prior | 2026-08-08 21:30 | 1,413.89 | 1,416.80 | -2.91 |
| 2 hours prior | 2026-08-08 20:30 | 1,413.90 | 1,416.80 | -2.90 |
| 6 hours prior | 2026-08-08 16:30 | 1,413.90 | 1,416.80 | -2.90 |
| 12 hours prior | 2026-08-08 10:30 | 1,413.92 | 1,416.80 | -2.88 |
| 24 hours prior | 2026-08-07 22:30 | 1,413.92 | 1,416.80 | -2.88 |
| 48 hours prior | 2026-08-06 22:30 | 1,413.96 | 1,416.80 | -2.84 |
*
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 |