B. A. Steinhagen Lake: 99.0% full as of 2026-08-26
Historical Data
| Date | Percent Full |
Mean Water Level (ft) |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
Surface Area (acres) |
|
|---|---|---|---|---|---|---|---|
| Most recent | 2026-08-26 | 99.0 | 82.93 | 68,546 | 68,473 | 69,186 | 10,170 |
| 1 day prior | 2026-08-25 | 97.5 | 82.83 | 67,534 | 67,461 | 69,186 | 10,078 |
| 2 days prior | 2026-08-24 | 95.2 | 82.67 | 65,933 | 65,860 | 69,186 | 9,931 |
| 1 week prior | 2026-08-19 | 98.2 | 82.88 | 68,039 | 67,966 | 69,186 | 10,124 |
| 1 month prior | 2026-07-26 | 90.9 | 82.37 | 62,995 | 62,922 | 69,186 | 9,655 |
| 3 months prior | 2026-05-26 | 92.5 | 82.48 | 64,062 | 63,989 | 69,186 | 9,756 |
| 6 months prior | 2026-02-26 | 93.3 | 82.54 | 64,650 | 64,577 | 69,186 | 9,811 |
| 1 year prior | 2025-08-26 | 95.9 | 82.72 | 66,430 | 66,357 | 69,186 | 9,977 |
*
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 | 2026-08-26 23:00 | 83.02 | 83.00 | 0.02 |
| 1 hour prior | 2026-08-26 22:00 | 82.98 | 83.00 | -0.02 |
| 2 hours prior | 2026-08-26 21:00 | 82.95 | 83.00 | -0.05 |
| 6 hours prior | 2026-08-26 17:00 | 82.84 | 83.00 | -0.16 |
| 12 hours prior | 2026-08-26 11:00 | 82.94 | 83.00 | -0.06 |
| 24 hours prior | 2026-08-25 23:00 | 82.92 | 83.00 | -0.08 |
| 48 hours prior | 2026-08-24 23:00 | 82.78 | 83.00 | -0.22 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1951-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 52.00 ft above NGVD29 |
| Service spillway crest elevation | 50.00 ft above NGVD29 |
| Emergency spillway crest elevation | 85.00 ft above NGVD29 |
| Maximum design elevation | 93.31 ft above NGVD29 |
| Top of dam elevation | 95.00 ft above NGVD29 |
| Conservation pool elevation | 83.00 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
1951-01-01 (source: USGS)
2003-05-01 (source: TWDB)
: GIS Data
2011-10-01 (source: TWDB)
: GIS Data
|
|
| Data Source | USGS:08040000 |
| USGS Monitoring Location | USGS:08040000 |
Lake Location
