(A) The City Council 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) The City Council shall not approve any annexation agreement or plat or subdivision located outside the corporate limits unless the agreement or plat is in accordance with the provisions of this chapter. The Building Inspector shall obtain the best available SFHA maps and data for the unincorporated areas.
(C) New subdivisions, manufactured home parks and planned unit developments (PUDs) shall meet the requirements of §§ 152.36 and 152.37 of this chapter. 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 ILCS 205/2).
(D) Plats or plans for new subdivisions, manufactured home parks and planned unit developments (PUDs) shall display the following flood data:
(1) The boundary of the SFHA;
(2) The boundary of the floodway, if shown on available SFHA maps;
(3) Easements of lands dedicated to the city for access for channel maintenance purposes; and
(4) The FPE for each building site. Where the base flood elevation is not available from an existing study filed with the state’s Water Survey, the applicant shall be responsible for calculating the FPE and submitting it to the state’s Water Survey for review and approval as best available elevation data.
(E) Plans for the development activities to be undertaken by the city in the SFHA shall be reviewed by the Building Inspector to ensure that they comply with this chapter. Except as exempted by law, no other local government shall commence any development activity in the SFHA without first obtaining a development permit from the Building Inspector.
(F) The City Council shall take the following into consideration when preparing or revising the Comprehensive Plan, community development program, housing assistance plan and other land use or development programs:
(1) Preserving SFHA land for open space uses such as farming or recreation;
(2) Acquiring and removing frequently flooded buildings;
(3) Prohibiting hospitals, water treatment plans, natural gas storage and other critical or especially hazardous facilities from locating in the SFHA;
(4) Identifying the elevations of the base flood and past flood at entrances to public buildings, on street signs or other prominent locations; and
(5) Other flood hazard mitigation or floodplain management activities that could help accomplish the purposes of this chapter.
(1994 Code, § 152.28) (Ord. 323, passed 3-28-1983; Ord. 409, passed 9-9-1991)