(3)   District Boundaries.
These special environmental regulations apply within the boundaries of the /WWO, Wissahickon Watershed Overlay district, encompassing the area generally bounded by Ridge Avenue, Schoolhouse lane, Germantown Avenue, Mount Airy Avenue, and the Montgomery County Line, as shown on Wissahickon Watershed Overlay Map of § 14-510(4) (Wissahickon Watershed Overlay Map).