O. C. Fisher Lake: 11.9% full as of 2026-08-22
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 | 2026-08-22 | 11.9 | 1,873.32 | 13,738 | 13,737 | 115,742 | 1,195 |
| Yesterday | 2026-08-21 | 11.9 | 1,873.34 | 13,762 | 13,761 | 115,742 | 1,196 |
| 2 days ago | 2026-08-20 | 11.9 | 1,873.37 | 13,798 | 13,797 | 115,742 | 1,197 |
| 1 week ago | 2026-08-15 | 12.1 | 1,873.51 | 13,967 | 13,966 | 115,742 | 1,204 |
| 1 month ago | 2026-07-22 | 12.8 | 1,874.24 | 14,861 | 14,860 | 115,742 | 1,247 |
| 3 months ago | 2026-05-22 | 14.0 | 1,875.29 | 16,210 | 16,209 | 115,742 | 1,321 |
| 6 months ago | 2026-02-22 | 14.6 | 1,875.82 | 16,915 | 16,914 | 115,742 | 1,341 |
| 1 year ago | 2025-08-22 | 17.4 | 1,878.01 | 20,100 | 20,099 | 115,742 | 1,578 |
*
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 | 2026-08-22 21:00 | 1,873.31 | 1,908.00 | -34.69 |
| 1 hour prior | 2026-08-22 20:00 | 1,873.31 | 1,908.00 | -34.69 |
| 2 hours prior | 2026-08-22 19:00 | 1,873.31 | 1,908.00 | -34.69 |
| 6 hours prior | 2026-08-22 15:00 | 1,873.32 | 1,908.00 | -34.68 |
| 12 hours prior | 2026-08-22 09:00 | 1,873.32 | 1,908.00 | -34.68 |
| 24 hours prior | 2026-08-21 21:00 | 1,873.33 | 1,908.00 | -34.67 |
| 48 hours prior | 2026-08-20 21:00 | 1,873.36 | 1,908.00 | -34.64 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1951-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 1,840.00 ft above NGVD29 |
| Emergency spillway crest elevation | 1,938.50 ft above NGVD29 |
| Flood pool elevation | 1,938.50 ft above NGVD29 |
| Maximum design elevation | 1,958.00 ft above NGVD29 |
| Top of dam elevation | 1,964.00 ft above NGVD29 |
| Conservation pool elevation | 1,908.00 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
1959-02-01 (source: TWDB)
1962-09-01 (source: USACE)
2003-08-01 (source: USACE)
|
|
| Data Source | USGS:08134500 |
| USGS Monitoring Location | USGS:08134500 |
Lake Location
