Here is a list of Lake Texoma campgrounds managed by the Corps of Engineers that are open (at least partially) all year.
Corps of Engineer Campgrounds close due to flooding
October 15, 2018 – Due to flooding, limited camping is available at Platter Flats, Johnson Creek, Caney Creek, & Juniper West. Caney Creek campsites will probably close by the end of day on Oct 16, 2018.
All other Corp of Engineer camping facilities are closed. All Corps of Engineer managed boat launch locations are closed.