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 99.5% full as of 2016-05-01

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 2016-05-01 99.5 998.84 -0.16 521,263 521,263 523,873 16,298
Yesterday 2016-04-30 99.4 998.82 -0.18 520,937 520,937 523,873 16,293
2 days ago 2016-04-29 99.3 998.76 -0.24 519,960 519,960 523,873 16,277
1 week ago 2016-04-24 98.0 998.34 -0.66 513,146 513,146 523,873 16,167
1 month ago 2016-04-01 99.8 998.95 -0.05 523,057 523,057 523,873 16,327
3 months ago 2016-02-01 100.0 999.14 0.14 526,164 523,873 523,873 16,376
6 months ago 2015-11-01 99.5 998.85 -0.15 521,426 521,426 523,873 16,301
1 year ago 2015-05-01 68.3 987.18 -11.82 357,694 357,694 523,873 11,823
*

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