Cooper (Chapman) Lake is 40.3% full as of 2014-04-24

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 2014-04-24 40.3 429.38 -10.62 143,486 104,888 260,332 11,326
Yesterday 2014-04-23 40.2 429.36 -10.64 143,260 104,662 260,332 11,314
2 days ago 2014-04-22 40.0 429.32 -10.68 142,808 104,210 260,332 11,291
1 week ago 2014-04-17 39.9 429.28 -10.72 142,356 103,758 260,332 11,268
1 month ago 2014-03-24 32.4 427.46 -12.54 122,966 84,368 260,332 10,000
3 months ago 2014-01-24 33.3 427.70 -12.30 125,387 86,789 260,332 10,188
6 months ago 2013-10-24 28.9 426.51 -13.49 113,747 75,149 260,332 9,411
1 year ago 2013-04-24 53.0 432.12 -7.88 176,668 138,070 260,332 12,978
*

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