Cooper (Chapman) Lake is 100.0% full as of 2016-05-03

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 2016-05-03 100.0 443.93 3.93 375,690 260,332 260,332 - n.a. -
Yesterday 2016-05-02 100.0 443.98 3.98 376,754 260,332 260,332 - n.a. -
2 days ago 2016-05-01 100.0 443.91 3.91 375,264 260,332 260,332 - n.a. -
1 week ago 2016-04-26 100.0 441.27 1.27 322,241 260,332 260,332 - n.a. -
1 month ago 2016-04-03 100.0 440.11 0.11 300,890 260,332 260,332 - n.a. -
3 months ago 2016-02-03 100.0 440.15 0.15 301,607 260,332 260,332 - n.a. -
6 months ago 2015-11-03 100.0 441.06 1.06 318,288 260,332 260,332 - n.a. -
1 year ago 2015-05-03 100.0 440.62 0.62 310,131 260,332 260,332 - 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