Cooper (Chapman) Lake is 100.0% full as of 2016-05-05

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 2016-05-05 100.0 443.47 3.47 366,000 260,332 260,332 - n.a. -
Yesterday 2016-05-04 100.0 443.61 3.61 368,929 260,332 260,332 - n.a. -
2 days ago 2016-05-03 100.0 443.83 3.83 373,568 260,332 260,332 - n.a. -
1 week ago 2016-04-28 100.0 441.42 1.42 325,089 260,332 260,332 - n.a. -
1 month ago 2016-04-05 100.0 440.08 0.08 300,355 260,332 260,332 - n.a. -
3 months ago 2016-02-05 100.0 440.02 0.02 299,286 260,332 260,332 - n.a. -
6 months ago 2015-11-05 100.0 440.94 0.94 316,047 260,332 260,332 - n.a. -
1 year ago 2015-05-05 100.0 440.43 0.43 306,662 260,332 260,332 - n.a. -
*

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
Data download (CSV) period of record, last one year, last 30 days

Elevation-Area-Capacity Curves

1991-01-01 (source: usgs)
2007-07-01 (source: twdb) : GIS Data