Permitted areas.
From and after the effective date of the ordinance [from which this section is derived] new WCFs shall be permitted only in areas bearing a zoning designation of Commercial (C), Light Industrial (LI), or Heavy Industrial (HI); the siting of new WCFs in areas zoned other than as designated herein, including Residential Districts (SF-1), (SF-2), (SF-3), (2F), (MF-1), (MF-2), Planned Development Districts (PD), Agricultural (A), and non-Commercial and non-Industrial Districts including Parking Districts (P), Office District (O), Neighborhood Service District (NS), General Retail District (GR), Central Area (CA), and Public Lands and Institutes (PL&I) shall be and is hereafter prohibited. Notwithstanding the foregoing, an attached WCF as defined herein shall be permitted in any zoning district in the city if it is to be attached to an existing water tower.