Michigan Compiled Laws, Chapter 324. Natural Resources and Environmental Protection § 324.4901

(a) “Collecting sewers” means lateral, branch, submain, and trunk sewers consisting of pipes or conduits including pumps, lift stations, force mains, and other appurtenances necessary for a system to prevent or eliminate discharges of raw or inadequately treated sewage of human origin into any waters of the state. Collecting sewers do not include pipes or conduits that carry storm water, surface water, and street wash, or that convey sewage from a building to a common public sewer except that part lying within a public right-of-way; and sewers eligible for grants under Act No. 329 of the Public Acts of 1966, being sections 323.111 to 323.128 of the Michigan Compiled Laws.

(b) “Construction” means the engineering, architectural, legal, fiscal, and economic investigations and studies, surveys, designs, plans, working drawings, specifications, procedures, and other similar actions necessary to the construction of collecting sewers; the installation, erection, and building of collecting sewers; and the inspection and supervision of the construction of such sewers. Construction does not include acquisition of lands and rights-of-way.

(c) “Local agencies” means local units of government or other public bodies created by or pursuant to state law and having jurisdiction over collecting sewers.