Soil and fill may be stored on site for no more than six months to avoid the degeneration of piles and the creation of dangerous conditions. If soil or fill is to be used on the site and there is a need to store same in excess of six months, the individual or entity desiring to store the soil or fill may seek an extension for no more than six additional months from the Township Administrator, which shall be granted only upon a showing of good cause. All soil and fill stored on site must be placed within the front, rear, and side yard setbacks set forth for the property in question under the Township Zoning Ordinance.