04/22/92: ON AT LEAST THREE OCCASIONS, THE TOWN DISCHARGED WASTEWATER FROM ITS FACILITY WITHOUT SAMPLING AND REPORTING THE DISCHARGE TO EPA AND THE STATE OF SOUTH DAKOTA. PERSONNEL FROM THE SOUTH DAKOTA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES OBSERVED DISCHARGES FROM THE WWTF ON 11/09/88, 11/17/88, AND 11/22/88.