Lake manager controls what can and can't be added to the lake. In this case it's GA Power. I would contact them for an answer.
We have the COE big 4 lakes in north MS. Lake managers will set up a date for habitat and will be working with MDWFP. If at another date you wish to build habitat you have to get permission from the manager. What you will be putting in the lake and where.
Ross Barnett in Jackson, MS is owned by Pearl River Water Ass. Written permit for what's being put out and where. PVC/plastic only.