Notes
2023-10-30: The vertical datum of the USGS gauge for Lake Stamford has been updated to NAV88.
Lake Stamford: 62.6% full as of 2026-09-26
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 | 2026-09-26 | 62.6 | 1,412.61 | 32,310 | 32,307 | 51,570 | 3,597 |
| Yesterday | 2026-09-25 | 62.8 | 1,412.63 | 32,381 | 32,378 | 51,570 | 3,604 |
| 2 days ago | 2026-09-24 | 62.9 | 1,412.65 | 32,453 | 32,450 | 51,570 | 3,610 |
| 1 week ago | 2026-09-19 | 63.7 | 1,412.76 | 32,851 | 32,848 | 51,570 | 3,648 |
| 1 month ago | 2026-08-26 | 68.0 | 1,413.35 | 35,069 | 35,066 | 51,570 | 3,848 |
| 3 months ago | 2026-06-26 | 68.1 | 1,413.36 | 35,108 | 35,105 | 51,570 | 3,851 |
| 6 months ago | 2026-03-26 | 78.3 | 1,414.66 | 40,390 | 40,387 | 51,570 | 4,288 |
| 1 year ago | 2025-09-26 | 93.0 | 1,416.31 | 47,948 | 47,945 | 51,570 | 4,864 |
*
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 | 2026-09-26 05:30 | 1,412.61 | 1,416.80 | -4.19 |
| 1 hour prior | 2026-09-26 04:30 | 1,412.61 | 1,416.80 | -4.19 |
| 2 hours prior | 2026-09-26 03:30 | 1,412.61 | 1,416.80 | -4.19 |
| 6 hours prior | 2026-09-25 23:30 | 1,412.61 | 1,416.80 | -4.19 |
| 12 hours prior | 2026-09-25 17:30 | 1,412.61 | 1,416.80 | -4.19 |
| 24 hours prior | 2026-09-25 05:30 | 1,412.63 | 1,416.80 | -4.17 |
| 48 hours prior | 2026-09-24 05:30 | 1,412.65 | 1,416.80 | -4.15 |
*
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 |