Section R. 325.11506 - Retention of records; generallyRule 1506.
(1) A community or noncommunity water supply shall retain on its premises or at a convenient location near its premises all of the following records: (a) Records of bacteriological analyses that are required under part 7 of these rules, which shall be kept for not less than 5 years.(b) Records of chemical analyses that are required under part 7 of these rules, which shall be kept for not less than 10 years.(c) Records of microbiological analyses and turbidity analyses that are required under part 7 of these rules, which shall be kept for not less than 5 years.(d) Records of radiological analyses that are required under part 7 of these rules, which shall be kept for not less than 10 years.(e) Original records of all sampling data and analyses, reports, surveys, letters, evaluations, schedules, department determinations, and any other information that is required under R 325.10604f(2) to (6), R 325.10410, and R 325.10710a to R 325.10710c, which shall be retained for not less than 12 years.(f) Results of the disinfection profile and benchmark, which shall be retained indefinitely.(g) Copies of monitoring plans developed under these rules shall be kept for the same period of time as the records of analyses taken under the plan are required to be kept under this subrule, except as specified elsewhere in these rules.(2) Actual laboratory reports for chemical, bacteriological, turbidity, disinfection profile and benchmark, and radiological analyses shall be kept; however, the analyses data may be transferred to tabular summaries if all of the following information is included: (a) The date, place, and time of sampling and the name of the person who collected the sample.(b) Identification of the sample as a routine distribution system sample, check sample, raw or treated water sample, or other special purpose sample.(c) The date of the analysis.(d) The laboratory and the person who was responsible for performing the analysis.(e) The analytical technique or method used.(f) The results of the analysis.(3) Records of action taken by the supply to correct violations of the state drinking water standards shall be kept for not less than 3 years after the last action taken with respect to the particular violation.(4) Copies of any written reports, summaries, or communications which relate to sanitary surveys of the public water supply and which were conducted by the public water supply itself, by a private consultant, by the department, or by any local, state, or federal agency shall be kept for not less than 10 years after completion of the sanitary survey involved.(5) Records that involve a variance or an exemption that was granted to a public water supply shall be kept for not less than 5 years after the expiration date of the variance or exemption.(6) Records that involve any emergency or public notification regarding a public water supply shall be kept for not less than 3 years after the emergency or public notification.Mich. Admin. Code R. 325.11506
1979 AC; 1994 AACS; 2002 AACS; 2003 AACS; 2005 AACS; 2009 AACS; 2018 MR 11, Eff. 6/14/2018