MICROBIOLOGICAL TESTING BY RESPONDENT IN SEPTEMBER 1982, JULY 1983, MAY AND SEPTEMBER 1984, APRIL, JUNE, SEPTEMBER, OCTOBER, AND DECEMBER 1985, JANUARY AND MAY 1986, MAY, JUNE, JULY, AUGUST,SEPTEMBER, AND NOVEMBER 1987, MAY AND JULY 1988, SHOWED THAT THE WATER OF RESPONDENT'S COMMU- NITY WATER SYSTEM EXCEED THE APPLICABLE MCL FOR COLIFORM BACTERIA, IN VIOLATION OF 40 CFR 141.14. FAILURE TO MONITOR ITS WATER IN THE MONTHS OF JULY AND AUGUST 1982, JANUARY THROUGH APRIL AND OCTOBER 1983, OCTOBER 1984, JULY 1985, JUNE THROUGH DECEMBER 1986, JANUARY, OCTOBER, AND DECEMBER 1987 AND JANUARY 1988, RESPONDENT HAS VIOLATED 40 CFR 141.21. FAILURE TO REPORT INSTANCES OF NON-COMPLIANCE, RESPONDENT VIOLATED 40 CFR 141.31. FAILURE TO GIVE PUBLIC NOTICE OF INSTANCES OF NON-COM- PLIANCE, RESPONDENT HAS VIOLATED 40 CFR 141.36. FAILURE TO SUBMIT THE REQUIRED ENGINEERING STUDY BY APRIL 8, 1988, BUT JOINED IN A STATE FUNDED ENGINEERING STUDY OF PUBLIC WATER SYSTEMS IN THE STAR VALLEY REGION.