e facility such as a county fair or a rodeo. (D) Unless otherwise allowed by DEQ, the projected daily sewage flow is not more than 200 gallons. (E) Setbacks required for septic tanks can be met. (b) Temporary use: A holding tank may be installed in an area under the control of a city or other legal entity authorized to construct, operate, and maintain a community or area-wide sewerage system if: (