Cooper (Chapman) Lake is 100.0% full as of 2015-05-28

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 2015-05-28 100.0 443.54 3.54 367,463 260,332 260,332 - n.a. -
Yesterday 2015-05-27 100.0 443.68 3.68 370,400 260,332 260,332 - n.a. -
2 days ago 2015-05-26 100.0 443.56 3.56 367,881 260,332 260,332 - n.a. -
1 week ago 2015-05-21 100.0 442.61 2.61 348,385 260,332 260,332 - n.a. -
1 month ago 2015-04-28 100.0 440.92 0.92 315,674 260,332 260,332 - n.a. -
3 months ago 2015-02-28 45.6 430.57 -9.43 157,308 118,710 260,332 11,908
6 months ago 2014-11-28 32.1 427.38 -12.62 122,168 83,570 260,332 9,943
1 year ago 2014-05-28 56.7 432.84 -7.16 186,176 147,578 260,332 13,488
*

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