The Township is hereby divided into zones, or districts, as shown on the Official Zoning Map, which together with all explanatory matter thereon, is hereby adopted by reference and declared to be part of this ordinance, together with all future notations, references, and amendments.
401.1 
Identification of Official Zoning Map. The Official Zoning Map shall be identified by the signature of the Board of Supervisors and attested to by the Secretary of that Board, together with the date of the adoption of this ordinance.
401.2 
Changing the Official Zoning Map.
If, in accordance with the provisions of this ordinance and the Pennsylvania Municipalities Planning Code,[1] as amended, changes are made in district boundaries or other matters portrayed on the Official Zoning Map, such changes shall be entered on the Official Zoning Map promptly after the amendment has been approved by the Board of Supervisors.
No changes of any nature shall be made in the Official Zoning Map or matter shown thereon except in conformity with the procedures set forth in this ordinance or any state law, if applicable. All changes shall be noted on the Official Zoning Map by date with a brief description of the nature of the change.
[1]
Editor's Note: See 53 P.S. § 10101 et seq.
401.3 
Location of official map. The Official Zoning Map shall be located in a place, as designated by the Board of Supervisors, and shall be the final authority as to the current zoning status of land and water areas in the Township, regardless of unofficial copies, which may have been made or published from time to time.
401.4 
Replacement of Official Zoning Map.
a. 
In the event that the Official Zoning Map becomes damaged, destroyed, lost, or difficult to interpret because of the nature or number of changes and additions, the Board of Supervisors may, by resolution, adopt a new Official Zoning Map which shall supersede the prior Official Zoning Map. The new Official Zoning Map may correct drafting or other errors or omissions in the prior Official Zoning Map, but no such correction shall have the effect of amending the original Official Zoning Map or any subsequent amendment thereto.
b. 
The new Official Zoning Map shall be identified by the signatures of the Board of Supervisors, attested by the Secretary of the Board, and bearing the following words: "This is to certify that this Official Zoning Map supersedes and replaces the Official Zoning Map adopted as part of Ordinance No. 94-11 of Uwchlan Township, Chester County, Pennsylvania.[2]
[2]
Editor's Note: Amended at time of adoption of Code (see Ch. 1, General Provisions, Art. I).
c. 
Unless the prior Official Zoning Map has been lost or has been totally destroyed, the prior map or any significant parts thereof remaining shall be preserved together with all available records pertaining to its adoption or amendment.
For the purpose of this ordinance, the Township is hereby divided into districts which shall be designated as follows:
R-A
Rural Agricultural
R-R
Rural Residential
R-1
Low Density Residential District
R-2
Medium Density Residential District
PC
Planned Commercial District
PC-2
Planned Commercial District
PIC
Planned Industrial-Commercial District
PCID
Planned Commercial Industrial Development District
PI
Planned Industrial District
FP
Floodplain District (Overlay)
PSFD
Planned Single Family Development (Overlay)
ROSO
Residential Open Space Option (Overlay)
Where uncertainty exists as to the boundaries of districts as shown on the Official Zoning Map, the following rules shall apply:
403.1 
Designation of district boundaries. Boundaries indicated as approximately following the center line of streets, highways, alleys, railroad rights-of-way, streams, existing lot lines, as they exist on a recorded deed or plan of record in the County Recorder of Deeds' office, or Municipal boundary lines shall be construed to follow such features indicated. Where boundaries are indicated as being approximately perpendicular to the right-of-way line of a street, highway or alley, such boundary shall be construed as being perpendicular thereto. Where a District boundary line does not follow such a line, position is shown on said Zoning Map by reference to an ordinance describing such lines or by a specific dimension expressing its distance, in feet, from a street right-of-way line or other boundary line as indicated and running parallel thereto.
403.2 
Determination of location of boundaries. Where physical or cultural features existing on the ground are at variance with those shown on the Official Zoning Map, or if uncertainty exists as to the true location of a district boundary line in a particular instance, the Zoning Officer shall request the Zoning Hearing Board to render its determination with respect thereto.
403.3 
Overlay districts.
In the case of the Floodplain District, rules for interpretation of district boundaries are contained in § 510.
In the case of planned single-family development, the provisions of § 613 shall apply.
In the case of the residential open space option, the provisions of § 609 shall apply.
403.4 
Adult entertainment uses as defined herein shall be permitted only in the PI Planned Industrial District as defined and regulated pursuant to § 509 of this ordinance. Any building containing an adult entertainment use must be located, in its entirety, in conformance with the use, setback, and separation distance regulations applicable to the adult entertainment use.[1]
[Added 9-14-1998 by Ord. No. 98-14]
[1]
Editor's Note: See Ch. 77, Adult Entertainment.