Many states prohibit the presence or consumption of Alcoholic beverages in state parks.. Michigan (Where I used to hang a microphone) is one of 'em. Story follows.
Private parks the rules vary.. But volation can get you anything from
Loss of booze
Temporary loss of booze (pick it up at the park office/ranger station when you leave)
Arrest or Appearance Ticket.
The story:
Got a call of a car in the creek, he missed the bridge, from the park rangers at a state park..
Driver had multiple convictions for driving under influence, on parole, NO BOOZE was a condition (i won't do the whole list)
He'd gone to a party on the beach with his buddies, Got plastered, and missed the bridge..
What he did not miss was his parole officer. who met him at the police station, where he flunked the breath test, and..... Got to go back to jail to serve out the rest of his days no trial needed since he was already convicted.
When they say NO BOOZE. They mean it.