Cooper (Chapman) Lake is 32.6% full as of 2014-11-24

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 2014-11-24 32.6 427.50 -12.50 123,366 84,768 260,332 10,029
Yesterday 2014-11-23 32.5 427.49 -12.51 123,266 84,668 260,332 10,022
2 days ago 2014-11-22 32.3 427.43 -12.57 122,666 84,068 260,332 9,978
1 week ago 2014-11-17 32.8 427.55 -12.45 123,869 85,271 260,332 10,068
1 month ago 2014-10-24 36.0 428.37 -11.63 132,379 93,781 260,332 10,659
3 months ago 2014-08-24 45.4 430.52 -9.48 156,713 118,115 260,332 11,880
6 months ago 2014-05-24 57.4 432.98 -7.02 188,071 149,473 260,332 13,584
1 year ago 2013-11-24 29.0 426.55 -13.45 114,124 75,526 260,332 9,438
*

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