33 U.S.C. § 27 : US Code - Section 27: Chicago River at Chicago, Illinois

Search 33 U.S.C. § 27 : US Code - Section 27: Chicago River at Chicago, Illinois

All of that portion of the West Fork of the South Branch of the
Chicago River in the county of Cook and State of Illinois,
extending west from the west line of the collateral channel of the
sanitary district of Chicago, in the northwest quarter of section
36, township 39 north, range 13 east, of the third principal
meridian, is declared to be a nonnavigable stream within the
meaning of the Constitution and laws of the United States. The
right of Congress to alter, amend, or repeal this provision is
expressly reserved.
The provisions of sections 401 and 403 of this title shall not
apply to that portion of the west arm of the South Fork of the
South Branch of the Chicago River, lying between the east line of
Ashland Avenue and the north line of Thirty-ninth Street, in the
city of Chicago, Illinois, as the same now exists or may hereafter
be extended. All rights, authority, or control over that part of
the Chicago River possessed or assumed by the United States are
relinquished and abandoned, and all rights, authority, or control
over the same that were possessed by the State of Illinois are
fully restored to said State.
As soon as the city of Chicago, or any other governmental agency
or any corporation thereunto duly authorized by the Secretary of
the Army, shall have constructed, after June 7, 1924, a new channel
for the South Branch of the Chicago River between West Polk Street
and West Nineteenth Street in said city of Chicago, then, and in
that event, so much of the channel of the South Branch of the
Chicago River as shall be superseded and replaced by said new
channel in accordance with the permit of the Secretary of the Army
shall be discontinued and abandoned.