SYSTEM FAILED TO SAMPLE QUARTERLY FOR COLIFORM BACTERIA ALL BUT ONE QUARTER FROM EARLY 1998 THRU 2001, AND ANNUALLY FOR NITRATE FOR 1998 THRU 2001. SYSTEM PROVIDED PUBLIC NOTICE FOR THESE VIOLATIONS IN 1/02. AO REQUIRES SYSTEM TO MONITOR FOR COLIFORM BACTERIA AND NITRATE BY 4/15/02 AND SUBMIT RESULTS BY 4/30/02, AND FOR COLIFORM BACTERIA FOR 7-9/02 QUARTER AND SUBMIT RESULTS BY 10/10/02.