B. A. Steinhagen Lake: 96.1% full as of 2026-10-21
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 | 2026-10-21 | 96.1 | 82.73 | 66,531 | 66,458 | 69,186 | 9,986 |
| Yesterday | 2026-10-20 | 94.8 | 82.64 | 65,636 | 65,563 | 69,186 | 9,904 |
| 2 days ago | 2026-10-19 | 93.2 | 82.53 | 64,552 | 64,479 | 69,186 | 9,802 |
| 1 week ago | 2026-10-14 | 97.9 | 82.86 | 67,837 | 67,764 | 69,186 | 10,106 |
| 1 month ago | 2026-09-21 | 96.5 | 82.76 | 66,831 | 66,758 | 69,186 | 10,014 |
| 3 months ago | 2026-07-21 | 95.6 | 82.70 | 66,230 | 66,157 | 69,186 | 9,959 |
| 6 months ago | 2026-04-21 | 95.2 | 82.67 | 65,933 | 65,860 | 69,186 | 9,931 |
| 1 year ago | 2025-10-21 | 94.8 | 82.64 | 65,636 | 65,563 | 69,186 | 9,904 |
*
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 | 2026-10-21 04:00 | 82.72 | 83.00 | -0.28 |
| 1 hour prior | 2026-10-21 03:00 | 82.73 | 83.00 | -0.27 |
| 2 hours prior | 2026-10-21 02:00 | 82.74 | 83.00 | -0.26 |
| 6 hours prior | 2026-10-20 22:00 | 82.64 | 83.00 | -0.36 |
| 12 hours prior | 2026-10-20 16:00 | 82.58 | 83.00 | -0.42 |
| 24 hours prior | 2026-10-20 04:00 | 82.68 | 83.00 | -0.32 |
| 48 hours prior | 2026-10-19 04:00 | 82.57 | 83.00 | -0.43 |
*
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
