Code of Federal Regulations Title 33. Navigation and Navigable Waters § 33.3.45–1 Ninth district

(a) The District Office is in Cleveland Ohio.

(b) The Ninth Coast Guard District comprise Michigan, New York north of latitude 42° N. and west of longitude 74°39′ W.;  Pennsylvania north of latitude 41° and west of longitude 78°55′ W.;  that part of Ohio and Indiana north of latitude 41° N.;  that part of Illinois north of latitude 41° N. and east of longitude 90° W.;  Wisconsin, except that part south of latitude 46°20′ N. and west of longitude 90° W.;  and that part of Minnesota north of latitude 46°20′ N.