Cooper (Chapman) Lake is 100.0% full as of 2015-07-01

Date Percent Full Water Level
(ft)
Height Above Conservation Pool
(ft)
Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Surface Area
(acres)
Today 2015-07-01 100.0 441.73 1.73 331,037 260,332 260,332 - n.a. -
Yesterday 2015-06-30 100.0 441.81 1.81 332,586 260,332 260,332 - n.a. -
2 days ago 2015-06-29 100.0 441.92 1.92 334,725 260,332 260,332 - n.a. -
1 week ago 2015-06-24 100.0 442.44 2.44 344,981 260,332 260,332 - n.a. -
1 month ago 2015-06-01 100.0 442.94 2.94 355,067 260,332 260,332 - n.a. -
3 months ago 2015-04-01 85.8 437.83 -2.17 262,074 223,476 260,332 16,384
6 months ago 2015-01-01 32.3 427.42 -12.58 122,566 83,968 260,332 9,971
1 year ago 2014-07-01 53.1 432.14 -7.86 176,928 138,330 260,332 12,990
*

Percent Full is based on Conservation Storage and Conservation Capacity.

Additional Information

Impoundment date 1991-01-01
Vertical datum NGVD29
Gauge USGS:07342495
Conservation pool elevation 440.0 ft above NGVD29
Dead pool elevation 415.5 ft above NGVD29

Elevation-Area-Capacity Curves

1991-01-01 (source: usgs)
2007-07-01 (source: twdb) : GIS Data