Section R. 325.10809 - Standard isolation area; modification; approvalRule 809.
(1) Modifications of the standard isolation area, if any, shall be determined for a site based on a study of hydrogeological conditions provided to the department by a public water supply under R 325.10813 and R 325.10814.(2) The department may require an increase or approve a decrease in the standard isolation area of a well.(3) Approval of the isolation area shall be obtained from the department before construction of a production well used for drinking or household purposes as part of a public water supply.Mich. Admin. Code R. 325.10809