SYSTEM FAILED TO MONITOR FOR VOLATILE AND SYNTHETIC ORGANIC CONTAMINANTS DURING FOUR CONSECUTIVE QUARTERS DURING THE 1996-1998 COMPLIANCE PERIOD, AND TO MONITOR QUARTERLY FOR NITRATE, TO REPORT THESE VIOLATIONS TO THE STATE, AND NOTIFY THE PUBLIC. AO REQUIRES SYSTEM TO NOTIFY THE PUBLIC OF THE PAST MONITORING VIOLATIONS, AND MONITOR FOR VOLATILE AND SYNTHETIC ORGANIC CONTAMINANTS FOR THREE CONSECUTIVE QUARTERS, AND FOR NITRATE FOR FOUR CONSECUTIVE QUARTERS.