Waterworld USA Cal Expo
- Address: 1600 Exposition Blvd, Sacramento, CA 95815-5104
- Contact: +1 916 924 3747
- Home page: http://www.sixflags.com/parks/waterworldsacramento/home.asp
- Open hours: 10:30a-6p daily; Water park: opens Memorial Day and closes the week after Labor Day
