The comprehensive amendment to the Zoning Ordinance of DuPage County adopted pursuant to the provision of "An Act in Relation to County Zoning" ¹ , as amended, is intended to serve the following:

For the purpose of promoting the public health, safety, morals, comfort and general welfare, conserving the values of property throughout the County, lessening or avoiding congestion in the public streets and highways, and lessening or avoiding the hazards to persons and damage to property resulting from the accumulation or runoff of storm or flood waters, the County Board shall have the power to regulate and restrict the location and use of buildings, structures and land for trade, industry, residence and other uses which may be specified by the board, to regulate and restrict the intensity of such uses, to establish building or setback lines on or along any street, trafficway, drive, parkway or storm or floodwater runoff channel or basin outside the limits of cities, villages and incorporated towns which have in effect municipal zoning ordinances; to divide the entire County outside the limits of such cities, villages and incorporated towns into districts of such number, shape, area and of such different classes, according to the use of land and buildings, the intensity of such use (including height of buildings and structures and surrounding open space) and other classification, as may be deemed best suited to carry out the purposes of this chapter to prohibit uses, buildings or structures incompatible with the character of such districts respectively; and to prevent additions to and alteration or remodeling of existing buildings or structures in such a way as to avoid the restrictions and limitations lawfully imposed hereunder.

(2005 Code)