Cooper (Chapman) Lake is 51.6% full as of 2014-07-24

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 2014-07-24 51.6 431.82 -8.18 172,801 134,203 260,332 12,802
Yesterday 2014-07-23 51.4 431.79 -8.21 172,417 133,819 260,332 12,785
2 days ago 2014-07-22 51.6 431.82 -8.18 172,801 134,203 260,332 12,802
1 week ago 2014-07-17 51.1 431.72 -8.28 171,524 132,926 260,332 12,744
1 month ago 2014-06-24 54.7 432.46 -7.54 181,115 142,517 260,332 13,183
3 months ago 2014-04-24 40.6 429.44 -10.56 144,167 105,569 260,332 11,358
6 months ago 2014-01-24 33.3 427.70 -12.30 125,387 86,789 260,332 10,188
1 year ago 2013-07-24 44.6 430.35 -9.65 154,701 116,103 260,332 11,788
*

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