delÂ·eÂ·teÂ·riÂ·ous. adj. Having a harmful effect; injurious: the deleterious effects of smoking.
Portage is a city in Kalamazoo County in the U.S. state of Michigan. The population was 46,292 in the 2010 census. It is the smaller of the two main cities included in the Kalamazoo-Portage Metropolitan Statistical Area, which has a population of 326,589 as of 2010. Portage is adjacent to the southern boundary of the City of Kalamazoo.
The closest town to the halfway point is Birch Run, MI, situated 23.3 miles from Flint, MI and 17.7 miles from Saginaw, MI. It would take 22 minutes to go from Flint to Birch Run and 18 minutes to go from Saginaw to Birch Run.