TURBIDITY EXCEEDING THE MAXIMUM PERMISSIBLE MONTHLY AVERAGE OF ONE TURBIDITY UNIT, FOR APPROXIMATELY THIRTY-FIVE MONTHS SINCE JANUARY OF 1986; ALSO VIOLATIONS OF AN EMERGENCY ADMINISTRATIVE ORDER AND A FINAL ADMINISTRATIVE ORDER EACH OF WHICH WAS ISSUED BY REGION VIII ON MARCH 23, 1990, AND FOR VIOLATION OF A JUNE 12, 1990 COMPLIANCE ORDER.