(A) The County Board shall take into account hazards, to the extent that they are known, in all official actions related to land management use and development.
(2) Any proposal for such development shall include the following data:
(1) The base flood elevation and the boundary of the floodplain; where the base flood elevation is not available from an existing study, the applicant shall be responsible for calculating the base flood elevation;
(2) The boundary of the floodway, when applicable; and
(3) A signed statement by a licensed professional engineer that the proposed plat or plan accounts for changes in the drainage of surface waters in accordance with the Plat Act (765 ILCS 205/2).
Streets, blocks lots, parks, and other public grounds shall be located and laid out in such a manner as to preserve and utilize natural streams and channels. Wherever possible the floodplains shall be included within parks or other public grounds.
(Ord. passed 5-16-2023)