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 98.7% full as of 2015-09-01

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 2015-09-01 98.7 998.59 -0.41 517,196 517,196 523,873 16,233
Yesterday 2015-08-31 98.8 998.61 -0.39 517,520 517,520 523,873 16,238
2 days ago 2015-08-30 98.9 998.64 -0.36 518,008 518,008 523,873 16,246
1 week ago 2015-08-25 99.2 998.73 -0.27 519,471 519,471 523,873 16,269
1 month ago 2015-08-01 100.0 999.33 0.33 529,280 523,873 523,873 16,424
3 months ago 2015-06-01 97.7 998.27 -0.73 512,015 512,015 523,873 16,148
6 months ago 2015-03-01 64.5 985.48 -13.52 338,014 338,014 523,873 11,329
1 year ago 2014-09-01 61.7 984.13 -14.87 322,993 322,993 523,873 10,921
*

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