O. C. Fisher Lake: 11.3% full as of 2026-09-13
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 | 2026-09-13 | 11.3 | 1,872.74 | 13,061 | 13,060 | 115,742 | 1,151 |
| Yesterday | 2026-09-12 | 11.3 | 1,872.77 | 13,094 | 13,093 | 115,742 | 1,154 |
| 2 days ago | 2026-09-11 | 11.3 | 1,872.79 | 13,117 | 13,116 | 115,742 | 1,156 |
| 1 week ago | 2026-09-06 | 11.5 | 1,872.94 | 13,286 | 13,285 | 115,742 | 1,173 |
| 1 month ago | 2026-08-13 | 12.1 | 1,873.58 | 14,051 | 14,050 | 115,742 | 1,207 |
| 3 months ago | 2026-06-13 | 13.7 | 1,875.00 | 15,825 | 15,824 | 115,742 | 1,310 |
| 6 months ago | 2026-03-13 | 14.5 | 1,875.75 | 16,822 | 16,821 | 115,742 | 1,338 |
| 1 year ago | 2025-09-13 | 16.6 | 1,877.45 | 19,246 | 19,245 | 115,742 | 1,516 |
*
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 | 2026-09-13 18:00 | 1,872.72 | 1,908.00 | -35.28 |
| 1 hour prior | 2026-09-13 17:00 | 1,872.73 | 1,908.00 | -35.27 |
| 2 hours prior | 2026-09-13 16:00 | 1,872.73 | 1,908.00 | -35.27 |
| 6 hours prior | 2026-09-13 12:00 | 1,872.74 | 1,908.00 | -35.26 |
| 12 hours prior | 2026-09-13 06:00 | 1,872.74 | 1,908.00 | -35.26 |
| 24 hours prior | 2026-09-12 18:00 | 1,872.76 | 1,908.00 | -35.24 |
| 48 hours prior | 2026-09-11 18:00 | 1,872.79 | 1,908.00 | -35.21 |
*
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 |