(A) The President and Board of Trustees shall take into account flood hazards, to the extent that they are known in all official actions related to land management, use, and development.
(B) New subdivisions, manufactured home parks, annexation agreements, and planned unit developments (PUDs) within the SFHA shall be reviewed to assure that the proposed developments are consistent with §§ 152.03, 152.30, 152.40, 152.50 and the need to minimize flood damage. Plats or plans for new subdivisions, mobile home parks, and planned unit developments shall include a signed statement by a registered professional engineer that the plat or plans account for changes in the drainage of surface waters in accordance with the Plat Act, ILCS Ch. 765, Act 205, § 2.
(C)
Proposals for new subdivisions, manufactured home parks, travel trailer parks, planned unit developments and additions to manufactured home parks and additions to subdivisions shall include base flood or 100-year frequency flood elevation data and floodway delineations. Where this information is not available from an existing study filed with the Illinois State Water Survey, the applicant's engineer shall be responsible for calculating the base flood or 100-year frequency flood elevation per § 152.03 and the floodway delineation per the determination in § 152.03 and submitting it to IDNR/OWR and DWR for review and approval and then submitting it to the Illinois State Water Survey as best available regulatory data.
(D) 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.
(E) The President and Board of Trustees shall not approve any planned unit development or plat of subdivision located outside the corporate limits unless such agreement or plat is in accordance with the provisions of this chapter.
(Ord. 7-28, passed 5-9-07
; Am. Ord. 8-70, passed 7-16-08)
Penalty, see § 152.99