Allegheny Hydro Partners, Ltd. is the owner and operator of a hydroelectric plant known as Allegheny Hydro No. 5 in Schenley, Armstrong County, Pennsylvania. The discharge of oil into waters of the United States in a quantity as has been determined may be harmful to the public health, welfare or environment of the United States is a violation of Section 311(b)(3) of the Clean Water Act, 33 U.S.C. �� 1321(b)(3). Under the applicable regulations, a harmful quantity of oil is that which causes a film or sheen upon or discoloration of the surface of water or adjoining shorelines. 40 C.F.R. �� 110.3. On July 11th, 2003, the company discharged approximately 75-100 gallons of oil into the Allegheny River. This discharge of oil violated Section 311(b)(3) of the CWA, 33 U.S.C. �� 1321(b)(3). The Region commenced an expedited penalty action against Allegheny Hydro Partners seeking a penalty of $500.00 to resolve the company���s civil liability for the spill. After the company paid the penalty, the Regional Judicial Officer signed a Consent Agreement on February 11, 2004 which concluded the case.