Friday, February 12, 2016 at 10.33hrs, United Communities VFD was alerted for a hazardous material spill in a confined space in the 9-1 box area.  Engine 91, 92, and Rescue 1 responded to the spill.  Engine 91 arrived on location and Officer 905 had incident command.  Engine 91 and Rescue 1 crew entered residence to find approximately 75 gallons of fuel oil leaking from tank in basement.  A hazmat trailer was requested from station 1.  With further investigation fuel was found to be leaking through ditches down the street and into the bay.  MDE was requested, when they arrived on location scene was placed under control and all units went available.