B. A. Steinhagen Lake: 99.1% full as of 2026-08-15
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 | 2026-08-15 | 99.1 | 82.94 | 68,648 | 68,575 | 69,186 | 10,180 |
| Yesterday | 2026-08-14 | 99.3 | 82.95 | 68,750 | 68,677 | 69,186 | 10,189 |
| 2 days ago | 2026-08-13 | 97.8 | 82.85 | 67,736 | 67,663 | 69,186 | 10,097 |
| 1 week ago | 2026-08-08 | 95.3 | 82.68 | 66,032 | 65,959 | 69,186 | 9,940 |
| 1 month ago | 2026-07-15 | 99.1 | 82.94 | 68,648 | 68,575 | 69,186 | 10,180 |
| 3 months ago | 2026-05-15 | 92.1 | 82.45 | 63,771 | 63,698 | 69,186 | 9,729 |
| 6 months ago | 2026-02-15 | 97.2 | 82.81 | 67,332 | 67,259 | 69,186 | 10,060 |
| 1 year ago | 2025-08-15 | 94.5 | 82.62 | 65,437 | 65,364 | 69,186 | 9,885 |
*
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 | 2026-08-15 19:00 | 82.82 | 83.00 | -0.18 |
| 1 hour prior | 2026-08-15 18:00 | 82.82 | 83.00 | -0.18 |
| 2 hours prior | 2026-08-15 17:00 | 82.86 | 83.00 | -0.14 |
| 6 hours prior | 2026-08-15 13:00 | 82.90 | 83.00 | -0.10 |
| 12 hours prior | 2026-08-15 07:00 | 82.96 | 83.00 | -0.04 |
| 24 hours prior | 2026-08-14 19:00 | 82.88 | 83.00 | -0.12 |
| 48 hours prior | 2026-08-13 19:00 | 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
