Are Kalahari Resort, Wilderness, Great Wolf and Chula Vista only open 120 days a year? That's what made the Dells the Waterpark Capital, was going from 120 days to 365 with indoor parks.
Someone else could easily takeover the title of water park capital of the world from Wisconsin Dells. All they would need is like two water parks and to be open for more than 120 days per year