The Village 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.
   (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 §§ 154.07, 154.08, 154.09 and 154.10 above and the need to minimize flood damage. Plats or plans for new subdivisions, mobile 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 (ILCS Ch. 765, Act 205, § 2).
   (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.
      (1)   Where this information is not available from an existing study filed with the State Water Survey, the applicant’s engineer shall be responsible for calculating the base flood or 100-year frequency flood elevation pursuant to § 154.06(D) and the floodway delineation pursuant to the definition in § 154.03.
      (2)   The applicant’s engineer shall submit the data to IDNR/OWR for review and approval as the best available regulatory data and then send it to the State Water Survey.
   (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 floodplain shall be included within parks or other public grounds.
   (D)   The Village President and Board of Trustees shall not approve any planned unit development (PUD) or plat of subdivision located outside the corporate limits unless the agreement or plat is in accordance with the provisions of this chapter.
   (E)   All new plats recorded shall show the location of any SFHA which appears on the platted property and shall be signed, sealed and certified by an Illinois registered land surveyor pursuant to the requirements of ILCS Ch. 765, Act 205, §§ 1 et seq.
(Ord. 765, passed 10-20-2004)