Cooper (Chapman) Lake is 100.0% full as of 2016-02-13

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 2016-02-13 100.0 440.00 0.00 298,930 260,332 260,332 - n.a. -
Yesterday 2016-02-12 100.0 440.00 0.00 298,930 260,332 260,332 - n.a. -
2 days ago 2016-02-11 100.0 440.02 0.02 299,286 260,332 260,332 - n.a. -
1 week ago 2016-02-06 100.0 440.07 0.07 300,177 260,332 260,332 - n.a. -
1 month ago 2016-01-13 100.0 444.60 4.60 390,137 260,332 260,332 - n.a. -
3 months ago 2015-11-13 100.0 440.58 0.58 309,398 260,332 260,332 - n.a. -
6 months ago 2015-08-13 96.1 439.42 -0.58 288,756 250,158 260,332 17,276
1 year ago 2015-02-13 39.1 429.11 -10.89 140,450 101,852 260,332 11,163
*

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