For Safety concerns on Union Lake Please contact the Oakland County Sheriff Marine Division
OCSO Dispatch (calls requiring a Marine Deputy to Respond) 248-858-4950
OCSO Marine Safety Unit (boater info and safety classes) 248-858-7831
Marine Unit: Sergeant Brent Jex, 248-858-1664
DNR DISPATCH 1-800-292-7800
For lake Safety /and Complaints PLEASE CONTACT THE DNR