R 325.10303
R 325.10303 Request for variance or exemption from state drinking water standards generally.
Cite as Mich. Admin. Code R 325.10303
Rule 303. (1) A variance or exemption from a state drinking water standard shall not be
granted with respect to either of the following:
(a) MCLs for E. coli and total coliform. Beginning April 1, 2016, the total coliform MCL
is no longer effective.
(b) Treatment technique requirements of filtration and disinfection under R 325.10611 to
R 325.10611c.
(2) A supplier of water who wishes to request a variance or exemption from a state
drinking water standard shall make that request, in writing, to the department not less than
90 days before the date on which the supplier of water wishes the variance or exemption
to be effective. The request shall be made in a manner prescribed by the department and
shall contain all information required by this part and the federal act.
(3) Requests for variances or exemptions from state drinking water standards for more
than 1 MCL or treatment technique shall be made separately.