625 ILCS 45/1-3

(625 ILCS 45/1-3) (from Ch. 95 1/2, par. 311-3)

Sec. 1-3.

Application and jurisdiction.

The Department shall, for the purposes of this Act, have full and
complete jurisdiction of all waters within the boundaries of the State of
Illinois, subject only to the paramount authority of the Federal Government
with reference to the navigation of such stream or streams and further
subject to such powers as may be granted to political subdivisions of the
State. Wherever the provisions of this Act conflict with the laws and
regulations of the Federal Government, the laws and regulations of the
Federal Government shall take precedence.

(Source: P.A. 82-783.)