Recent changes

2015-05-04: The rating curve for this reservoir has been updated and replaced with data obtained from the U.S. Army Corps of Engineers. This updates historical data for the period September 1962 - April 2015.

O. C. Fisher Lake: 9.2% full as of 2020-02-19

The elevation-storage rating curve used to produce the storage hydrograph is made of two segments: (1) the segment up to the conservation pool top (below the red line) is based on measured data, and (2) the segment in the flood pool (above the red line) is an extrapolation from the first segment and shouldn't be relied upon for flood storage information.

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 2020-02-19 9.2 1,870.43 10,655 10,654 115,742 937
Yesterday 2020-02-18 9.2 1,870.44 10,664 10,663 115,742 939
2 days ago 2020-02-17 9.2 1,870.45 10,674 10,673 115,742 940
1 week ago 2020-02-12 9.2 1,870.47 10,693 10,692 115,742 942
1 month ago 2020-01-19 9.3 1,870.55 10,768 10,767 115,742 951
3 months ago 2019-11-19 9.5 1,870.75 10,958 10,957 115,742 974
6 months ago 2019-08-19 11.0 1,872.48 12,769 12,768 115,742 1,122
1 year ago 2019-02-19 12.7 1,874.14 14,735 14,734 115,742 1,239
*

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 2020-02-19 03:00 1,870.43 1,908.00 -37.57 below flood pool
1 hour prior 2020-02-19 02:00 1,870.43 1,908.00 -37.57 below flood pool
2 hours prior 2020-02-19 01:00 1,870.43 1,908.00 -37.57 below flood pool
6 hours prior 2020-02-18 21:00 1,870.43 1,908.00 -37.57 below flood pool
12 hours prior 2020-02-18 15:00 1,870.44 1,908.00 -37.56 below flood pool
24 hours prior 2020-02-18 03:00 1,870.44 1,908.00 -37.56 below flood pool
48 hours prior 2020-02-17 03:00 1,870.44 1,908.00 -37.56 below flood pool
*

Data is provisional and subject to revision.

Additional Information

Impoundment date 1951-01-01
Vertical datum NGVD29
Gauge USGS:08134500
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)

Lake Location