SYSTEM IS REQUIRED, BUT FAILED, TO MONITOR FOR TOTAL COLIFORM BACTERIA DURING SEVERAL QUARTERLY COMPLIANCE PERIODS BEGINNING IN 1994 AND ENDING IN 1999. SYSTEM IS REQUIRED, BUT FAILED, TO MONITOR FOR NITRATE DURING SEVERAL 12-MONTH MONITORING PERIODS BEGINNING IN 1994 AND ENDING IN 1999. SYSTEM IS REQUIRED, BUT FAILED, TO MONTIOR FOR NITRITE DURING THE INITIAL MONITORING PERIOD 1/1/93 - 12/31/95. SYSTEM IS REQUIRED, BUT FAILED, TO REPORT ALL VIOLATIONS TO STATE WITHIN 48 HOURS OF THE VIOLATION. SYSTEM IS REQUIRED BUT FAILED TO NOTIFY PERSONS SERVED BY THE SYSTEM OF ALL OF THE VIOLATIONS ALLEGED.