Cooper (Chapman) Lake is 39.0% full as of 2015-01-28

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 2015-01-28 39.0 429.09 -10.91 140,227 101,629 260,332 11,149
Yesterday 2015-01-27 39.0 429.09 -10.91 140,227 101,629 260,332 11,149
2 days ago 2015-01-26 39.0 429.08 -10.92 140,115 101,517 260,332 11,143
1 week ago 2015-01-21 37.0 428.61 -11.39 134,955 96,357 260,332 10,816
1 month ago 2014-12-28 32.4 427.45 -12.55 122,866 84,268 260,332 9,993
3 months ago 2014-10-28 35.5 428.24 -11.76 130,998 92,400 260,332 10,578
6 months ago 2014-07-28 50.6 431.62 -8.38 170,252 131,654 260,332 12,687
1 year ago 2014-01-28 32.7 427.54 -12.46 123,768 85,170 260,332 10,061
*

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