The Lompoc Parks and Recreation Department will hold an end-of-summer Pooch Plunge at the Lompoc Aquatic Center this weekend. The event will take place Sunday from 3:30 P.M. to 5 P.M. There is an entry fee of 10 dollars per pooch. Your pet must be vaccinated for Distemper, Parvo, and rabies. Space is limited. Organizers recommend preregistering at the Anderson Recreation Center.