B. A. Steinhagen Lake: 93.8% full as of 2026-08-11
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 | 2026-08-11 | 93.8 | 82.57 | 64,944 | 64,871 | 69,186 | 9,839 |
| Yesterday | 2026-08-10 | 94.0 | 82.59 | 65,141 | 65,068 | 69,186 | 9,857 |
| 2 days ago | 2026-08-09 | 94.6 | 82.63 | 65,536 | 65,463 | 69,186 | 9,894 |
| 1 week ago | 2026-08-04 | 94.3 | 82.61 | 65,338 | 65,265 | 69,186 | 9,876 |
| 1 month ago | 2026-07-11 | 96.6 | 82.77 | 66,931 | 66,858 | 69,186 | 10,023 |
| 3 months ago | 2026-05-11 | 96.1 | 82.73 | 66,531 | 66,458 | 69,186 | 9,986 |
| 6 months ago | 2026-02-11 | 93.9 | 82.58 | 65,043 | 64,970 | 69,186 | 9,848 |
| 1 year ago | 2025-08-11 | 95.2 | 82.67 | 65,933 | 65,860 | 69,186 | 9,931 |
*
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 | 2026-08-11 17:00 | 82.48 | 83.00 | -0.52 |
| 1 hour prior | 2026-08-11 16:00 | 82.48 | 83.00 | -0.52 |
| 2 hours prior | 2026-08-11 15:00 | 82.48 | 83.00 | -0.52 |
| 6 hours prior | 2026-08-11 11:00 | 82.55 | 83.00 | -0.45 |
| 12 hours prior | 2026-08-11 05:00 | 82.61 | 83.00 | -0.39 |
| 24 hours prior | 2026-08-10 17:00 | 82.52 | 83.00 | -0.48 |
| 48 hours prior | 2026-08-09 17:00 | 82.59 | 83.00 | -0.41 |
*
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
