Notes
2023-10-30: The vertical datum of the USGS gauge for Lake Stamford has been updated to NAV88.
Lake Stamford: 66.2% full as of 2026-09-05
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 | 2026-09-05 | 66.2 | 1,413.11 | 34,147 | 34,144 | 51,570 | 3,769 |
| 1 day prior | 2026-09-04 | 66.4 | 1,413.13 | 34,223 | 34,220 | 51,570 | 3,776 |
| 2 days prior | 2026-09-03 | 66.5 | 1,413.15 | 34,299 | 34,296 | 51,570 | 3,782 |
| 1 week prior | 2026-08-29 | 67.5 | 1,413.29 | 34,837 | 34,834 | 51,570 | 3,828 |
| 1 month prior | 2026-08-05 | 73.0 | 1,414.00 | 37,650 | 37,647 | 51,570 | 4,064 |
| 3 months prior | 2026-06-05 | 70.4 | 1,413.66 | 36,285 | 36,282 | 51,570 | 3,951 |
| 6 months prior | 2026-03-05 | 80.6 | 1,414.93 | 41,550 | 41,547 | 51,570 | 4,379 |
| 1 year prior | 2025-09-05 | 96.6 | 1,416.69 | 49,814 | 49,811 | 51,570 | 5,000 |
*
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 | 2026-09-05 22:30 | 1,413.09 | 1,416.80 | -3.71 |
| 1 hour prior | 2026-09-05 21:30 | 1,413.09 | 1,416.80 | -3.71 |
| 2 hours prior | 2026-09-05 20:30 | 1,413.09 | 1,416.80 | -3.71 |
| 6 hours prior | 2026-09-05 16:30 | 1,413.10 | 1,416.80 | -3.70 |
| 12 hours prior | 2026-09-05 10:30 | 1,413.11 | 1,416.80 | -3.69 |
| 24 hours prior | 2026-09-04 22:30 | 1,413.12 | 1,416.80 | -3.68 |
| 48 hours prior | 2026-09-03 22:30 | 1,413.14 | 1,416.80 | -3.66 |
*
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 |