Cooper (Chapman) Lake is 86.0% full as of 2015-03-29

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)
Most recent 2015-03-29 86.0 437.86 -2.14 262,566 223,968 260,332 16,397
1 day prior 2015-03-28 86.2 437.88 -2.12 262,894 224,296 260,332 16,405
2 days prior 2015-03-27 86.3 437.91 -2.09 263,386 224,788 260,332 16,418
1 week prior 2015-03-22 83.8 437.50 -2.50 256,690 218,092 260,332 16,247
1 month prior 2015-02-28 45.6 430.57 -9.43 157,308 118,710 260,332 11,908
3 months prior 2014-12-29 32.3 427.43 -12.57 122,666 84,068 260,332 9,978
6 months prior 2014-09-29 38.4 428.95 -11.05 138,673 100,075 260,332 11,052
1 year prior 2014-03-29 32.2 427.41 -12.59 122,466 83,868 260,332 9,964
*

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