Cooper (Chapman) Lake is 50.2% full as of 2014-08-01

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 2014-08-01 50.2 431.55 -8.45 169,366 130,768 260,332 12,648
Yesterday 2014-07-31 50.3 431.56 -8.44 169,492 130,894 260,332 12,653
2 days ago 2014-07-30 50.1 431.52 -8.48 168,986 130,388 260,332 12,631
1 week ago 2014-07-25 51.2 431.75 -8.25 171,907 133,309 260,332 12,762
1 month ago 2014-07-01 53.1 432.14 -7.86 176,928 138,330 260,332 12,990
3 months ago 2014-05-01 39.4 429.17 -10.83 141,121 102,523 260,332 11,201
6 months ago 2014-02-01 32.3 427.44 -12.56 122,766 84,168 260,332 9,985
1 year ago 2013-08-01 43.3 430.06 -9.94 151,303 112,705 260,332 11,652
*

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