Cooper (Chapman) Lake is 44.2% full as of 2014-08-30

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 2014-08-30 44.2 430.26 -9.74 153,642 115,044 260,332 11,743
Yesterday 2014-08-29 44.3 430.29 -9.71 153,994 115,396 260,332 11,758
2 days ago 2014-08-28 44.5 430.32 -9.68 154,347 115,749 260,332 11,773
1 week ago 2014-08-23 45.6 430.57 -9.43 157,308 118,710 260,332 11,908
1 month ago 2014-07-30 50.1 431.52 -8.48 168,986 130,388 260,332 12,631
3 months ago 2014-05-30 56.3 432.77 -7.23 185,234 146,636 260,332 13,424
6 months ago 2014-02-28 30.9 427.07 -12.93 119,116 80,518 260,332 9,755
1 year ago 2013-08-30 37.0 428.61 -11.39 134,955 96,357 260,332 10,816
*

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