B. A. Steinhagen Lake: 94.3% full as of 2026-10-11
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 | 2026-10-11 | 94.3 | 82.61 | 65,338 | 65,265 | 69,186 | 9,876 |
| Yesterday | 2026-10-10 | 96.6 | 82.77 | 66,931 | 66,858 | 69,186 | 10,023 |
| 2 days ago | 2026-10-09 | 96.5 | 82.76 | 66,831 | 66,758 | 69,186 | 10,014 |
| 1 week ago | 2026-10-04 | 93.6 | 82.56 | 64,846 | 64,773 | 69,186 | 9,830 |
| 1 month ago | 2026-09-11 | 98.8 | 82.92 | 68,444 | 68,371 | 69,186 | 10,161 |
| 3 months ago | 2026-07-11 | 96.6 | 82.77 | 66,931 | 66,858 | 69,186 | 10,023 |
| 6 months ago | 2026-04-11 | 96.2 | 82.74 | 66,631 | 66,558 | 69,186 | 9,996 |
| 1 year ago | 2025-10-11 | 98.5 | 82.90 | 68,241 | 68,168 | 69,186 | 10,143 |
*
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 | 2026-10-11 17:00 | 82.53 | 83.00 | -0.47 |
| 1 hour prior | 2026-10-11 16:00 | 82.53 | 83.00 | -0.47 |
| 2 hours prior | 2026-10-11 15:00 | 82.56 | 83.00 | -0.44 |
| 6 hours prior | 2026-10-11 11:00 | 82.57 | 83.00 | -0.43 |
| 12 hours prior | 2026-10-11 05:00 | 82.64 | 83.00 | -0.36 |
| 24 hours prior | 2026-10-10 17:00 | 82.72 | 83.00 | -0.28 |
| 48 hours prior | 2026-10-09 17:00 | 82.70 | 83.00 | -0.30 |
*
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
