The following activities are subject to this Part and require a permit from the Department: New construction within the regulatory floodways in Cook, Dupage, Kane, Lake, McHenry and Will Counties, except for those areas which are within the City of Chicago (Section 18g of the Act).
The following activities are specifically exempt from this Part: repair, remodeling or maintenance of buildings or structures in existence as of November 18, 1987, (Section 18g of the Act).
Activities of the Department and all other state, federal and local units of government such as drainage districts, school districts, park districts, forest preserve districts, must comply with this Part.
Ill. Admin. Code tit. 17, § 3708.30