While local law enforcement may patrol along their shores, the Feds
retain jurisdiction over all navigable waterways.

"mr" wrote in message
...

"George Patterson" wrote in message
news:6Yhyf.124$pq5.55@trndny02...
Doug wrote:
I wonder who has jurisdiction over the use of the surface of the
water
on Lake Michigan in that area. Wisconson, Illinois, Michigan,
Chicago
or the Federal governement or ....? Surely NOT the Chicago police
department.

The Federal government has jurisdiction over all navigable waterways.

The Chicago Police has a marine unit also. I believe they patrol up to
3 miles out. This web site is a bit dated but talks about the unit.
http://www.chicagoboaters.com/PeopleProfiles/CPMU.htm