Cooper (Chapman) Lake is 43.6% full as of 2014-09-02

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 2014-09-02 43.6 430.12 -9.88 152,003 113,405 260,332 11,679
Yesterday 2014-09-01 43.7 430.14 -9.86 152,237 113,639 260,332 11,688
2 days ago 2014-08-31 43.9 430.20 -9.80 152,938 114,340 260,332 11,715
1 week ago 2014-08-26 44.9 430.42 -9.58 155,527 116,929 260,332 11,825
1 month ago 2014-08-02 50.1 431.52 -8.48 168,986 130,388 260,332 12,631
3 months ago 2014-06-02 56.0 432.71 -7.29 184,432 145,834 260,332 13,357
6 months ago 2014-03-02 31.1 427.12 -12.88 119,604 81,006 260,332 9,784
1 year ago 2013-09-02 36.4 428.46 -11.54 133,341 94,743 260,332 10,716
*

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