MICROBIOLOGICAL TESTING BY RESPONDENT IN, JULY, AUGUST, AND SEPTEMBER 1983, JUNE 1984, MAY, AND OCTOBER 1986, FEBRUARY, APRIL, JUNE, AND DECEMBER 1987, AND JUNE 1988, SHOWED THAT THE RESPONENT'S COMMUNITY WATER SYSTEM EXCEEDED THE APPLICABLE MCL FOR COLIFORM BACTERIA, IN VIOLATION OF 40 CFR 141.14. FAILURE TO SUBMIT THE REQUIRED ENGINEERING STUDY BY OCTOBER 23, 1988.