O. C. Fisher Lake: 11.5% full as of 2026-09-04

Historical Data

Date Percent Full Mean Water Level
(ft) 		Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft) 		Surface Area
(acres)
Most recent 2026-09-04 11.5 1,872.99 13,342 13,341 115,742 1,179
1 day prior 2026-09-03 11.6 1,873.02 13,377 13,376 115,742 1,181
2 days prior 2026-09-02 11.6 1,873.04 13,401 13,400 115,742 1,182
1 week prior 2026-08-28 11.7 1,873.19 13,582 13,581 115,742 1,189
1 month prior 2026-08-04 12.4 1,873.87 14,400 14,399 115,742 1,221
3 months prior 2026-06-04 13.9 1,875.19 16,078 16,077 115,742 1,317
6 months prior 2026-03-04 14.5 1,875.74 16,808 16,807 115,742 1,338
1 year prior 2025-09-04 16.9 1,877.68 19,596 19,595 115,742 1,541
*

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 2026-09-04 23:00 1,872.97 1,908.00 -35.03 below flood pool
1 hour prior 2026-09-04 22:00 1,872.97 1,908.00 -35.03 below flood pool
2 hours prior 2026-09-04 21:00 1,872.97 1,908.00 -35.03 below flood pool
6 hours prior 2026-09-04 17:00 1,872.98 1,908.00 -35.02 below flood pool
12 hours prior 2026-09-04 11:00 1,872.99 1,908.00 -35.01 below flood pool
24 hours prior 2026-09-03 23:00 1,873.00 1,908.00 -35.00 below flood pool
48 hours prior 2026-09-02 23:00 1,873.03 1,908.00 -34.97 below flood pool
*

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