ON JANUARY 25, 2011, WHILE DRILLING THE LATERAL PORTION OF THE O'RICE WELL, A FUEL FILTER WAS BROKEN OFF A FILTER ASSEMBLY GOING TO A GENERATOR. AS A RESULT, 1,045 GALLONS OF DIESEL FUEL WAS DISCHARGED. APPROXIMATELY 600 GALLONS ENTERED INDIAN RUN CAUSING A SHEEN OR DISCOLORATION UPON THE SURFACE. INDIAN RUN IS A TRIBUTARY TO TEN MILE CREEK, WHICH IS A TRIBUTARY TO THE WEST FORK RIVER.