The village 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. (1965 Code § 7-18-11)
A. 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 sections 14-1-5, 14-1-6, 14-1-7 and 14-1-8 of this chapter and the need to minimize flood damage. Plats or plans for new subdivisions, manufactured home parks and planned unit developments (PUDs) 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, 765 Illinois Compiled Statutes 205/0.01 et seq.
B. Proposals for new subdivisions, manufactured home parks, travel trailer parks, planned unit developments (PUDs) 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 pursuant to subsection 14-1-4E of this chapter and the "designated floodway" pursuant to the definition in section 14-1-2 of this chapter and submitting it to the state water survey IDNR/OWR for review and approval as best available regulatory data. (1965 Code § 7-18-11; amd. 2009 Code)
C. 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.
D. The village board of trustees shall not approve a planned unit development (PUD) or plat of subdivision located outside the corporate limits unless such agreement or plat is in accordance with the provisions of this chapter. (1965 Code § 7-18-11)