Rude campers, facilities need maintenance
The Trailhead camping area is so-so. You can access the camping areas at the back by driving across the lawn. The spots are quite narrow, so your neighbors are right on top of you. There was a water spigot available but in a neighboring campsite maybe 10 ft from the fire ring, so I had to disturb them to get water, it's just a poor setup.
The bathroom was fine, but the shower was in poor repair, with wood rot and an uneven floor. The cover on the drain was loose and moved if you stepped on it. The showerhead could not be adjusted so it sprayed outside the shower area into the rest of the stall where you would keep your clothing. There was no curtain between the shower and the rest of the stall, either, and combined with the short stall door it was not very private at all. No clothing/towel hooks, the only place to set anything was a narrow window ledge. And it wasn't very clean, either. I got out my camp shower and set it up in my campsite because the provided shower was in such bad shape.
We had several people walk through our campsite during the weekend and plenty of noisy neighbors and barking dogs, so it seemed like people camping here in general are either inexperienced or rude. I've never had those problems so frequently while camping as I had here. If you're looking for a quiet campground to relax in, this isn't it.
The water was lukewarm in the lake, but the weather was hot so it felt ok. That's just Oklahoma in June, for you.
The staff were friendly and helpful, so that was a positive point. My overall impression is that this park is in need of funding for upgrades and maintenance, but the staff is doing their best.
Overall, I probably won't camp here again, there are tons of parks in this area and they are in better shape, with better camping areas.