Bill,
I found some townships in ILL. that require a sump pump if there is a drain in the floor.

Cruised this link ilga.gov/commission

Hope the link up loads. If not Illinois Plumbing Code will pull it it. I saw no requirement
for a sump pump

__________________
It Might have Choked Artie But it ain't gone'a choke Stymie!
Billy J. Stephens HI Service
Memphis TN.