To be honest, much of Grosse Pointe was built on the old Fox Creek and its swamps. Brownell Jr. High on Chalfonte was a Nike missile base in 1955. There were clear bars of unstable soil that sank slowly over the years requiring backfill. Recommend it to anyone. We put in central air and that solved the problem.
Central air takes moisture out of the air.
In the winter, we heat the basement though it is not finished. Also, keep the windows closed at night. We open the basemtnt windows only from time to time. It is much improved. I grew up in Grosse Pointe Farms for 17 years and they don't let leaky basements cross Mack or Alter.