TVFD was dispatched at 13:33 to the intersection of South Twin Valley RD and Hemlock Rd for a fuel spill. Rescue 69 responded and while en route they were advised approximately 50 gallons of diesel fuel was spilled. Upon arrival Rescue 69 called back to the station to have Utility 69-1 and Containment 69 respond. The crews spread oil dry down on the area of approximately 60'x100' and contained the spill from going into a drainage level spreader. Chief 69 advised the carrier to have a clean up crew to respond to further mitigate the situation. All proper notifications were made and units cleared the scene at 15:21.