Cooper (Chapman) Lake is 100.0% full as of 2015-05-06

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 2015-05-06 100.0 440.37 0.37 305,573 260,332 260,332 - n.a. -
Yesterday 2015-05-05 100.0 440.43 0.43 306,662 260,332 260,332 - n.a. -
2 days ago 2015-05-04 100.0 440.52 0.52 308,301 260,332 260,332 - n.a. -
1 week ago 2015-04-29 100.0 440.92 0.92 315,674 260,332 260,332 - n.a. -
1 month ago 2015-04-06 85.6 437.79 -2.21 261,419 222,821 260,332 16,367
3 months ago 2015-02-06 39.4 429.18 -10.82 141,233 102,635 260,332 11,208
6 months ago 2014-11-06 34.4 427.97 -12.03 128,167 89,569 260,332 10,391
1 year ago 2014-05-06 38.2 428.90 -11.10 138,120 99,522 260,332 11,017
*

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