04/22/92: THE CITY OF FORT MORGAN, COLORADO OWNS AND OPERATES A PUBLICLY OWNED TREATMENT WORKS. THE CITY IS AUTHORIZED AND REGULATED UNDER NPDES TO DISCHARGE TREATED WASTEWATER INTO THE SOUTH PLATTE RIVER. ON OR ABOUT MARCH 18, 1991 EXCEL CORPORATION DOUBLED ITS PRODUCTION TO ABOUT 3,700 HEAD OF CATTLE PER DAY. THIS LEAD TO AN INCREASE FLOW TO THE POTW. AFTER INSPECTIONS AND NOTICES OF VIOLATIONS WERE ISSUED TO THE CITY OF FORT MORGAN, THIS CASE WAS CONSTRUCTED, CITING THE CITY FOR NOT ADEQUATELY ENFORCING AGAINST DISCHARGES AND APPLYING AND ENFORCING NATIONAL PRETREATMENT STANDARDS.