My wife and I are actually the current camp hosts. We do have electric sites to choose from. Water is off in the park except for the bathroom at the beginning of the loop. Reservations are not able to be made during the off season. It is first come first serve. Stop by the first host site you come to and we can take care of any questions you have.
To make sure an electric site is available you will need to make a reservation. https://mostateparks.com/
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