SYSTEM FAILED TO (1) CONDUCT TOTAL COLIFORM BACTERIA MONITORING DURING SEVERAL QUARTERLY COMPLIANCE PERIODS BETWEEN 1997 AND 2001; (2) CONDUCT ANNUAL MONITORING FOR NITRATE IN 1997, 1998, 1999, 2000, AND 2001, PURSUANT TO 40 CFR 141.23; (3) CONDUCT NITRITE MONITORING BY DECEMBER 31, 1999, PURSUANT TO 40 CFR 141.23; (4) REPORT THE ABOVE MENTIONED VIOLATIONS TO THE STATE WITHIN 48 HOURS OF THE VIOLATIONS; AND (5) ISSUE PUBLIC NOTIFICATION IN ASSOCIATION WITH THE ABOVE-MENTIONED VIOLATIONS.