Nothing in Section 11-2 to 11-4 inclusive shall be construed as granting to any such district the right to interfere with the navigation of any navigable body of water or to shut off the access to any public dock or landing thereon, or to shut off the access of public highways or streets to such body of water at reasonable intervals in each municipality bordering thereon in said district.
70 ILCS 1205/11-5