SYSTEM FAILED TO TAKE ANY QUARTERLY COLIFORM BACTERIA SAMPLE S SINCE MARCH, 1996, AND ANNUAL NITRATE SAMPLES FOR 1998- 2000. THE AO REQUIRES SYSTEM TO NOTIFY ITS CUSTOMERS REGAR- DING THESE FAILURES, AND MONITOR FOR TOTAL COLIFORM BACTERIA DURING THE 7-9/01, AND 10-12/01 QUARTERS, AND NITRATE BY 9/15/01.