Cooper (Chapman) Lake is 100.0% full as of 2016-02-06

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)
Most recent 2016-02-06 100.0 440.03 0.03 299,464 260,332 260,332 - n.a. -
1 day prior 2016-02-05 100.0 440.05 0.05 299,820 260,332 260,332 - n.a. -
2 days prior 2016-02-04 100.0 440.11 0.11 300,890 260,332 260,332 - n.a. -
1 week prior 2016-01-30 100.0 440.53 0.53 308,484 260,332 260,332 - n.a. -
1 month prior 2016-01-06 100.0 445.94 5.94 420,225 260,332 260,332 - n.a. -
3 months prior 2015-11-06 100.0 441.16 1.16 320,166 260,332 260,332 - n.a. -
6 months prior 2015-08-06 97.6 439.65 -0.35 292,753 254,155 260,332 17,474
1 year prior 2015-02-06 39.4 429.18 -10.82 141,233 102,635 260,332 11,208
*

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