FROM THE PERIOD BETWEEN JULY 1985 AND JUNE 1990, RESPON- DENT DID NOT SUBMIT THE REQUIRED DISCHARGE MONITORING REPORTS ( DMRS ) TO THE REGIONAL ADMINISTRATOR OF EPA. DURING THIS SAME PERIOD, THE STATE OF SOUTH DAKOTA RECEIVED ONLY ONE DMR FROM RESPONDENT. BY FAILING TO SUBMIT THE REQUIRED DISCHARGE MONITORING REPORTS, RESPONDENT HAS VIOLATED PARTS I.A.2 AND I.B.2 OF ITS NPDES PERMIT.