(a) Intent. The W-O Wellhead Operation District is designed to safeguard the public health, safety and welfare of the customers of protected public water supplies by regulating land use and the storage, handling, use and/or production of regulated substances. This district will be shown on the City Zoning Map at the location of any existing or proposed public wells. The intent of this designation is to protect the community's potable water supply against contamination.
(b) Principal Permitted Uses. Only the uses below that continuously satisfy the requirements of divisions (c) and (d) of this section shall be permitted:
(1) City water supply, treatment, storage, and operations facilities, in accordance with the City's plan for water supply and treatment.
(2) Public parks, playgrounds and community centers.
(3) Other similar uses as determined by the Zoning Administrator.
(c) Permitted Accessory Uses. The following are permitted accessory uses:
(1) Accessory uses, buildings, or other structures customarily incidental to any aforesaid permitted use.
(2) Temporary buildings for uses incidental to construction work, which buildings shall be removed on the completion or abandonment of construction work.
(3) Fences, walls and hedges as regulated under Section 1256.11.
(5) Other similar uses as determined by the Zoning Administrator.
(d) Groundwater Protection Standards.
(1) Use and storage of regulated substances in conjunction with public water supply and treatment activities shall not be restricted by this section.
(2) Use of regulated substances in conjunction with public parks, playgrounds and community centers shall be in accordance with the City management plan for maintenance of sensitive areas.
(3) Use of regulated substances in conjunction with conditional uses in this district shall be limited to:
A. The aggregate of regulated substances in use may not exceed 20 gallons or 160 pounds at any time.
B. The total use of regulated substances may not exceed 50 gallons or 400 pounds in any 12-month period.
(4) A limited exclusion from division (d)(3) of this section is authorized for non-routine maintenance or repair of property or equipment. The use of regulated substances under this exclusion shall be limited to:
A. The aggregate of regulated substances in use may not exceed 50 gallons or 400 pounds at any time.
B. The total use of regulated substances may not exceed 100 gallons or 800 pounds in any 12-month period.
(5) Storage of fuel and lubricants for vehicle operations in conjunction with permitted and conditional uses in this district shall either be above-ground or in tanks placed above the floor surface of a below-grade vault. Said vault shall allow access for physical inspection of the tank for leakage and the interior of the vault shall be continuously monitored and alarmed to provide for automatic and immediate detection of any release from the tank.
(6) Notwithstanding other provisions of this section, nonconforming uses in this district presently utilizing underground storage tanks for fuel and lubricants for vehicle operations shall be permitted to replace existing tanks with those constructed as per the specifications of division (d)(5) of this section, and not exceeding the capacity of existing tanks. Replacement of underground tanks for regulated substances other than fuel and lubricants for vehicle operations is not permitted.
(7) Storage of regulated substances other than fuel and lubricants for vehicle operations in conjunction with permitted and conditional uses in this district is prohibited.
(8) As part of the findings required prior to issuance of a zoning certificate, the Zoning Administrator shall utilize the Contaminant Hazard Potential Ranking System, identified in Section 1252.16(e) to assist in the determination of intensity of use within this district. No substitutions of a nonconforming use shall be permitted which result in an increase of the Contaminant Hazard Potential Ranking on a parcel within this district.
(9) All uses within this district shall be connected to the public wastewater disposal system within a 3-year period from the effective date of this Zoning Code or have a wastewater disposal system approved by the Butler County Combined General Health District and/or Ohio Environmental Protection Agency, whichever is applicable.
(Ord. 16-2003. Passed 5-1-03.)