RESPONDENT FAILED TO MEET THE DISINFECTANT CONCENTRATION REQUIREMENTS DURING FEBRUARY - MARCH 1996; MARCH - APRIL 1996; JUNE - JULY 1996; JULY - AUGUST, 1996; FEBRUARY - MARCH 1997; AND MARCH - APRIL 1997. RESPONDENT EXCEEDED THE MCL FOR TOTAL COLIFORM BACTERIA. RESPONDENT FAILED TO TO COLLECT AT LEAST 3 REPEAT SAMPLES FOR EACH ROUTINE SAMPLE WHICH TESTED TOTAL COLIFORM POSITIVE. RESPONDENT FAILED TO PROPERLY MAINTAIN A DISINFECTANT RESIDUAL THROUGHOUT THE DISTRIBUTION SYSTEM, IMPLEMENT AN ADEQUATE MAIN FLUSHING PROGRAM, OR TO PROPERLY OPERATE AND MAINTAIN STORAGE TANKS AND RESERVOIRS. RESPONDENT FAILED TO COLLECT TOTAL COLIFORM SAMPLES AT SITES WHICH ARE REPRESENTATIVE OF WATER THROUGHOUT THE DISTRIBUTION SYSTEM ACCORDING TO A WRITTEN SAMPLE SITING PLAN. RESPONDENT FAILED TO COLLECT TOTAL COLIFORM SAMPLES AT REGULAR TIME INTERVALS THROUGHOUT THE MONTH DURIN