Notes
2023-10-30: The vertical datum of the USGS gauge for Lake Stamford has been updated to NAV88.
Lake Stamford: 63.3% full as of 2026-09-21
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 | 2026-09-21 | 63.3 | 1,412.71 | 32,670 | 32,667 | 51,570 | 3,631 |
| 1 day prior | 2026-09-20 | 63.6 | 1,412.74 | 32,778 | 32,775 | 51,570 | 3,641 |
| 2 days prior | 2026-09-19 | 63.7 | 1,412.76 | 32,851 | 32,848 | 51,570 | 3,648 |
| 1 week prior | 2026-09-14 | 64.7 | 1,412.90 | 33,361 | 33,358 | 51,570 | 3,699 |
| 1 month prior | 2026-08-21 | 69.1 | 1,413.50 | 35,654 | 35,651 | 51,570 | 3,897 |
| 3 months prior | 2026-06-21 | 69.1 | 1,413.50 | 35,654 | 35,651 | 51,570 | 3,897 |
| 6 months prior | 2026-03-21 | 79.2 | 1,414.77 | 40,860 | 40,857 | 51,570 | 4,324 |
| 1 year prior | 2025-09-21 | 93.5 | 1,416.37 | 48,239 | 48,236 | 51,570 | 4,886 |
*
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 | 2026-09-22 03:30 | 1,412.70 | 1,416.80 | -4.10 |
| 1 hour prior | 2026-09-22 02:30 | 1,412.69 | 1,416.80 | -4.11 |
| 2 hours prior | 2026-09-22 01:30 | 1,412.69 | 1,416.80 | -4.11 |
| 6 hours prior | 2026-09-21 21:30 | 1,412.68 | 1,416.80 | -4.12 |
| 12 hours prior | 2026-09-21 15:30 | 1,412.70 | 1,416.80 | -4.10 |
| 24 hours prior | 2026-09-21 03:30 | 1,412.72 | 1,416.80 | -4.08 |
| 48 hours prior | 2026-09-20 03:30 | 1,412.75 | 1,416.80 | -4.05 |
*
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
