B. A. Steinhagen Lake: 97.7% full as of 2026-11-09
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 | 2026-11-09 | 97.7 | 82.84 | 67,635 | 67,562 | 69,186 | 10,088 |
| 1 day prior | 2026-11-08 | 98.5 | 82.90 | 68,241 | 68,168 | 69,186 | 10,143 |
| 2 days prior | 2026-11-07 | 99.9 | 82.99 | 69,158 | 69,085 | 69,186 | 10,226 |
| 1 week prior | 2026-11-02 | 93.3 | 82.54 | 64,650 | 64,577 | 69,186 | 9,811 |
| 1 month prior | 2026-10-09 | 96.5 | 82.76 | 66,831 | 66,758 | 69,186 | 10,014 |
| 3 months prior | 2026-08-09 | 94.6 | 82.63 | 65,536 | 65,463 | 69,186 | 9,894 |
| 6 months prior | 2026-05-09 | 97.1 | 82.80 | 67,231 | 67,158 | 69,186 | 10,051 |
| 1 year prior | 2025-11-09 | 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 | 2026-11-09 23:00 | 82.94 | 83.00 | -0.06 |
| 1 hour prior | 2026-11-09 22:00 | 82.92 | 83.00 | -0.08 |
| 2 hours prior | 2026-11-09 21:00 | 82.90 | 83.00 | -0.10 |
| 6 hours prior | 2026-11-09 17:00 | 82.83 | 83.00 | -0.17 |
| 12 hours prior | 2026-11-09 11:00 | 82.81 | 83.00 | -0.19 |
| 24 hours prior | 2026-11-08 23:00 | 82.87 | 83.00 | -0.13 |
| 48 hours prior | 2026-11-07 23:00 | 82.95 | 83.00 | -0.05 |
*
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 |