We've stayed there a few times. Leveling is a challenge as others have pointed out.
The bathhouse on the office side of the park is being renovated. Not sure if that's currently ongoing or complete. Last newsletter I saw said the bathhouse on the pool side of the campground would be under construction later this year.
Water is turned off during the winter months and there are no sites with a full hookup. No cable TV.
We like it there for a long weekend.
I haven't stayed at Whispering Hills. If you're looking for an alternative campground in the area, I recommend highly Elkhorn Campground east of Frankfort. They are very fine folks and they have some camp sites where water is on through the winter. Those sites are rented monthly, but if one is open they might be able to put you on it for less than a month.