Those crews also got some help from volunteers.
Jake Mowles, who owns East Coast Powerwashing, got busy cleaning one of the monuments free of charge.
"We were pretty upset about it, we've spent a lot of money this year or the town has spent a lot of money rehabilitating the whole town here and it's pretty disgraceful for somebody to do this," Mowles told WFXT. "If we have the resources to do it and can come out and take care of it for them, that's why we're doing it."
Plymouth’s park superintendent said it will likely take several days to clean up all of the graffiti.