May 8, 2024, Press Release from the United States Attorney’s Office Northern District of Ohio: TOLEDO - An Ohio man pleaded guilty to violating the Clean Water Act by dumping pollutants and hazardous substances into waterways that killed thousands of fish in the Scioto River. According to court documents, on April 17, 2021, Mark Shepherd, age 72, Kenton, Ohio, negligently, and without a permit or in violation of a permit, discharged into the Scioto River near Kenton, Ohio, approximately 7,000 gallons of a substance containing ammonia, a pollutant and hazardous substance. The substances originated from Shepherd’s facilities—Cessna Transport Inc. and A.G. Bradley Inc.—which he owned and operated in the Northern District of Ohio, Western Division.