<Tr> <Td> Six Flags White Water </Td> <Td> Marietta, Georgia </Td> <Td> </Td> <Td> 1999 </Td> <Td> Located about 15 miles from Six Flags Over Georgia . </Td> </Tr> <Tr> <Td> Six Flags Hurricane Harbor </Td> <Td> Oaxtepec, Mexico </Td> <Td> 2017 </Td> <Td> 2016 </Td> <Td> Reopened in the former Parque Acuatico Oaxtepec location </Td> </Tr> <Tr> <Td> Waterworld California </Td> <Td> Concord, California </Td> <Td> 1995 </Td> <Td> 2017 </Td> <Td> This water park was built by Premier Parks prior to its purchase of Six Flags . It was sold to PARC Management in the 2007 property sell - off . On April 27, 2017, Six Flags announced it had entered into an agreement with EPR Properties to manage the park, marking the first time that Six Flags <P> required a park . </P> <P> </P> </Td> </Tr> <P> required a park . </P>

How many six flags amusement parks are there