Section R. 560.425 - Industrial and commercial subdivisionsRule 425.
(1) The department may consider approval for the suitability of development sites less than 1 acre in size or subdivisions intended for industrial or commercial usage if both of the following conditions are met: (a) The proposed development is strictly limited to those uses that generate and dispose of on-site, sanitary sewage only.(b) Quantities of sanitary sewage intended to be disposed of are limited to low volumes which have been determined to be compatible with site or lot size and soil conditions.(2) Where an on-site water supply is proposed, it shall meet the requirements of Act 399 of the Public Acts of 1976 being §§325.1001 to 325.1023 and part 127 of Act 368 of the Public Acts of 1978 being §§333.12701 to 333.12715 of the Michigan Compiled Laws.(3) The aquifer shall be protected in accordance with R 560.408 and yield an adequate quantity of water for the intended usage.Mich. Admin. Code R. 560.425