O. C. Fisher Lake: 10.7% full as of 2026-10-09
Historical Data
| Date | Percent Full |
Mean Water Level (ft) |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
Surface Area (acres) |
|
|---|---|---|---|---|---|---|---|
| Today | 2026-10-09 | 10.7 | 1,872.14 | 12,386 | 12,385 | 115,742 | 1,084 |
| Yesterday | 2026-10-08 | 10.7 | 1,872.16 | 12,409 | 12,408 | 115,742 | 1,086 |
| 2 days ago | 2026-10-07 | 10.7 | 1,872.18 | 12,431 | 12,430 | 115,742 | 1,088 |
| 1 week ago | 2026-10-02 | 10.8 | 1,872.27 | 12,532 | 12,531 | 115,742 | 1,098 |
| 1 month ago | 2026-09-09 | 11.4 | 1,872.85 | 13,184 | 13,183 | 115,742 | 1,163 |
| 3 months ago | 2026-07-09 | 12.9 | 1,874.31 | 14,950 | 14,949 | 115,742 | 1,253 |
| 6 months ago | 2026-04-09 | 14.1 | 1,875.37 | 16,317 | 16,316 | 115,742 | 1,324 |
| 1 year ago | 2025-10-09 | 16.0 | 1,876.98 | 18,533 | 18,532 | 115,742 | 1,465 |
*
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 | 2026-10-09 17:00 | 1,872.13 | 1,908.00 | -35.87 |
| 1 hour prior | 2026-10-09 16:00 | 1,872.13 | 1,908.00 | -35.87 |
| 2 hours prior | 2026-10-09 15:00 | 1,872.11 | 1,908.00 | -35.89 |
| 6 hours prior | 2026-10-09 11:00 | 1,872.14 | 1,908.00 | -35.86 |
| 12 hours prior | 2026-10-09 05:00 | 1,872.14 | 1,908.00 | -35.86 |
| 24 hours prior | 2026-10-08 17:00 | 1,872.16 | 1,908.00 | -35.84 |
| 48 hours prior | 2026-10-07 17:00 | 1,872.18 | 1,908.00 | -35.82 |
*
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 |