The boundaries of the R-1, R-2, R-3, C-1, C-2, I-1, I-2, OS, RR, GD, FP, AZ, WC Districts shall be as shown upon the map attached to and made a part of this chapter which shall be designated "Zoning Map." The said map and all the notations, reference and other data shown thereon are hereby incorporated by reference into this chapter as if all were fully described herein.[1]

The boundaries of the Floodplain Management Districts shall serve as overlays to the underlying districts as shown on the Official Zoning Map and shall be any areas of the Borough of Steelton classified as special flood hazard areas (SFHAs) in the Flood Insurance Study (FIS) and the accompanying Flood Insurance Rate Maps (FIRMS) issued by the Federal Emergency Management Agency (FEMA) dated August 2, 2012, or the most recent revision thereof, including all digital data developed as part of the Flood Insurance Study.

The boundary of the AZ District shall serve as an overlay to the underlying districts as shown on the Official Zoning Map, and as specifically described in the Height Limitation and Zoning District Map for the Borough by Pennsylvania Department of Transportation (PennDOT), Bureau Aviation, dated 1989. The said study and accompanying maps, notations, reference and other data shown thereon are hereby incorporated by reference into this chapter as if all were fully described herein.

The boundaries between these districts are, unless otherwise indicated, either the center lines of streets, alleys, rights-of-way, lot lines or such lines extended, or lines parallel thereto.

Where figures are shown on the Zoning Map between a street, alley, right-of-way, or lot line, and a district boundary line, they indicate that the district boundary line runs parallel to that line at a distance therefrom equivalent to the number of feet so indicated.

Where district boundaries are not clearly fixed by the above methods, they shall be determined by the use of the scale on the Zoning Map.