Each business, restaurant, bar, school, medical center, nursing home, or establishment providing food service to its customers, patrons, patients, or members of the general public shall maintain and make available for inspection at all times a grease trap so located and functioning that it will operate to capture grease and deleterious substances before the same enter the public sewer system of the District. The responsibility for cleaning and maintaining the grease trap shall be that of the property owner on whose property the trap is located. All grease traps shall be cleaned at least semi-annually. Copies of cleaning reports, including where, when and how the wastes were disposed shall be promptly forwarded to the District by the contractor who cleaned the trap and are to be available to the District's representative during inspection. Access to the trap shall be available to the inspectors and officials of the District at all times. Failure to maintain and clean the grease trap shall constitute a violation of District regulations.

The inspection is required to be completed semi-annually by a District representative for each property in possession of a grease interceptor or sand/oil trap.