recent changes

2015-06-17: The elevation for the top of the conservation pool for Possum Kingdom Reservoir has been set to the reservoir's normal maximum operating elevation of 999.0 feet. The calculation for percent full is now based on this elevation. Also, the January 1942 USGS rating curve was replaced with newly acquired rating curves with links at the bottom of this page.

Possum Kingdom Lake is 99.9% full as of 2016-02-11

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 2016-02-11 99.9 998.97 -0.03 523,384 523,384 523,873 16,332
1 day prior 2016-02-10 99.9 998.97 -0.03 523,384 523,384 523,873 16,332
2 days prior 2016-02-09 99.9 998.98 -0.02 523,547 523,547 523,873 16,334
1 week prior 2016-02-04 100.0 999.05 0.05 524,691 523,873 523,873 16,352
1 month prior 2016-01-11 100.0 999.26 0.26 528,131 523,873 523,873 16,406
3 months prior 2015-11-11 100.0 999.06 0.06 524,854 523,873 523,873 16,355
6 months prior 2015-08-11 100.0 999.12 0.12 525,836 523,873 523,873 16,370
1 year prior 2015-02-11 64.3 985.40 -13.60 337,109 337,109 523,873 11,306
*

Percent Full is based on Conservation Storage and Conservation Capacity.

Additional Information

Impoundment date 1941-01-01
Vertical datum NGVD29
Gauge USGS:08088500
Conservation pool elevation 999.0 ft above NGVD29
Dead pool elevation 874.8 ft above NGVD29
Data download (CSV) period of record, last one year, last 30 days

Elevation-Area-Capacity Curves

1939-01-01 (source: bra)
1944-01-01 (source: twdb)
1962-01-01 (source: bra)
1974-01-01 (source: bra)
1994-06-01 (source: twdb) : GIS Data
2005-01-01 (source: twdb) : GIS Data