O. C. Fisher Lake: 10.4% full as of 2026-10-30
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 | 2026-10-30 | 10.4 | 1,871.84 | 12,063 | 12,062 | 115,742 | 1,058 |
| Yesterday | 2026-10-29 | 10.4 | 1,871.81 | 12,032 | 12,031 | 115,742 | 1,056 |
| 2 days ago | 2026-10-28 | 10.4 | 1,871.81 | 12,032 | 12,031 | 115,742 | 1,056 |
| 1 week ago | 2026-10-23 | 10.4 | 1,871.87 | 12,094 | 12,093 | 115,742 | 1,060 |
| 1 month ago | 2026-09-30 | 10.8 | 1,872.28 | 12,544 | 12,543 | 115,742 | 1,099 |
| 3 months ago | 2026-07-30 | 12.6 | 1,874.01 | 14,570 | 14,569 | 115,742 | 1,228 |
| 6 months ago | 2026-04-30 | 14.2 | 1,875.42 | 16,383 | 16,382 | 115,742 | 1,326 |
| 1 year ago | 2025-10-30 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
*
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 | 2026-10-30 04:00 | 1,871.85 | 1,908.00 | -36.15 |
| 1 hour prior | 2026-10-30 03:00 | 1,871.85 | 1,908.00 | -36.15 |
| 2 hours prior | 2026-10-30 02:00 | 1,871.85 | 1,908.00 | -36.15 |
| 6 hours prior | 2026-10-29 22:00 | 1,871.84 | 1,908.00 | -36.16 |
| 12 hours prior | 2026-10-29 16:00 | 1,871.81 | 1,908.00 | -36.19 |
| 24 hours prior | 2026-10-29 04:00 | 1,871.81 | 1,908.00 | -36.19 |
| 48 hours prior | 2026-10-28 04:00 | 1,871.81 | 1,908.00 | -36.19 |
*
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 |