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

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 2015-07-07 100.0 441.11 1.11 319,225 260,332 260,332 - n.a. -
Yesterday 2015-07-06 100.0 441.20 1.20 320,918 260,332 260,332 - n.a. -
2 days ago 2015-07-05 100.0 441.31 1.31 322,998 260,332 260,332 - n.a. -
1 week ago 2015-06-30 100.0 441.81 1.81 332,586 260,332 260,332 - n.a. -
1 month ago 2015-06-07 100.0 441.29 1.29 322,619 260,332 260,332 - n.a. -
3 months ago 2015-04-07 85.5 437.78 -2.22 261,256 222,658 260,332 16,363
6 months ago 2015-01-07 35.8 428.31 -11.69 131,740 93,142 260,332 10,622
1 year ago 2014-07-07 52.1 431.94 -8.06 174,342 135,744 260,332 12,872
*

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