(70 ILCS 1855/4) (from Ch. 19, par. 454)
    Sec. 4. The Port District has the following rights and powers:
    1. To issue permits: for the construction of all wharves, piers, dolphins, booms, weirs, breakwaters, bulkheads, jetties, bridges or other structures of any kind, over, under, in, or within 40 feet of any navigable waters within the Port District; for the deposit of rock, earth, sand or other material, or any matter of any kind or description in said waters; except that nothing contained in this paragraph 1 shall be construed so that it will be deemed necessary to obtain a permit from the District for the erection, operation or maintenance of any bridge crossing a waterway which serves as a boundary between the State of Illinois and any other State, when said erection, operation or maintenance is performed by any city within the District.
    2. To prevent or remove obstructions in navigable waters, including the removal of wrecks;
    3. To locate and establish dock lines and shore or harbor lines;
    4. To regulate the anchorage, moorage and speed of water borne vessel and to establish and enforce regulations for the operation of bridges, except nothing contained in this paragraph 4 shall be construed to give the District authority to regulate the operation of any bridge crossing a waterway which serves as a boundary between the State of Illinois and any other State, when such operation is performed or to be performed by any city within the District;
    5. To acquire, own, construct, lease, operate and maintain terminals, terminal facilities and port facilities, and to fix and collect just, reasonable, and nondiscriminatory charges for the use of such facilities. The charges so collected shall be used to defray the reasonable expenses of the Port District and to pay the principal of and interest on any revenue bonds issued by the District;
    6. Subject to any applicable condition imposed by Section 4.1 of this Act, to locate, establish and maintain a public airport, public airports and public airport facilities within its corporate limits or within or upon any body of water adjacent thereto, and to construct, develop, expand, extend and improve any such airport or airport facility;
    7. To operate, maintain, manage, lease, sublease, and to make and enter into contracts for the use, operation or management of, and to provide rules and regulations for, the operation, management or use of, any public airport or public airport facility;
    8. To fix, charge and collect reasonable rentals, tolls, fees, and charges for the use of any public airport, or any part thereof, or any public airport facility;
    9. To establish, maintain, extend and improve roadways and approaches by land, water or air to any such airport and to contract or otherwise provide, by condemnation if necessary, for the removal of any airport hazard or the removal or relocation of all private structures, railways, mains, pipes, conduits, wires, poles, and all other facilities and equipment which may interfere with the location, expansion, development, or improvement of airports or with the safe approach thereto or takeoff therefrom by aircraft, and to pay the cost of removal or relocation; and, subject to the "Airport Zoning Act", approved July 17, 1945, as amended, to adopt, administer and enforce airport zoning regulations for territory which is within its corporate limits or which extends not more than two miles beyond its corporate limits;
    10. To restrict the height of any object of natural growth or structure or structures within the vicinity of any airport or within the lines of an approach to any airport and, when necessary, for the reduction in the height of any such existing object or structure, to enter into an agreement for such reduction or to accomplish same by condemnation;
    11. To agree with the state or federal governments or with any public agency in respect to the removal and relocation of any object of natural growth, airport hazard or any structure or building within the vicinity of any airport or within an approach and which is owned or within the control of such government or agency and to pay all or an agreed portion of the cost of such removal or relocation;
    12. For the prevention of accidents, for the furtherance and protection of public health, safety and convenience in respect to aeronautics, for the protection of property and persons within the District from any hazard or nuisance resulting from the flight of aircraft, for the prevention of interference between, or collision of, aircraft while in flight or upon the ground, for the prevention or abatement of nuisances in the air or upon the ground or for the extension or increase in the usefulness or safety of any public airport or public airport facility owned by the District, the District may regulate and restrict the flight of aircraft while within or above the incorporated territory of the District;
    13. To police its physical property only and all waterways and to exercise police powers in respect thereto or in respect to the enforcement of any rule or regulation provided by the ordinances of the District and to employ and commission police officers and other qualified persons to enforce the same. The use of any such public airport or public airport facility of the District shall be subject to the reasonable regulation and control of the District and upon such reasonable terms and conditions as shall be established by its Board. A regulatory ordinance of the District adopted under any provisions of this Section may provide for a suspension or revocation of any rights or privileges within the control of the District for a violation of any such regulatory ordinance. Nothing in this Section or in other provisions of this Act shall be construed to authorize the Board to establish or enforce any regulation or rule in respect to aviation, or the operation or maintenance of any airport facility within its jurisdiction, which is in conflict with any federal or state law or regulation applicable to the same subject matter;
    14. To enter into agreements with the corporate authorities or governing body of any other municipal corporation or any political subdivision of this State to pay the reasonable expense of services furnished by such municipal corporation or political subdivision for or on account of income producing properties of the District;
    15. To enter into contracts dealing in any manner with the objects and purposes of this Act;
    16. To acquire, own, lease, sell or otherwise dispose of interests in and to real property and improvements situate thereon and in personal property necessary to fulfill the purposes of the District;
    17. To designate the fiscal year for the District;
    18. To engage in any activity or operation which is incidental to and in furtherance of efficient operation to accomplish the District's primary purpose.
(Source: Laws 1961, p. 2993.)