The permittee of a domestic sewage treatment facility discharging into the Lake Houston watershed which requests renewal or amendment of an existing permit, or any person who submits an application for a new wastewater discharge permit within the Lake Houston watershed shall be required to submit with the application for renewal, amendment, or new permit, a solids management plan. The report describing such plan shall contain, at a minimum, the following information:(1) the type of wastewater treatment process used;(2) the dimensions and capacities of all solids handling and treatment units and processes;(3) calculations showing the amount of solids generated at design flow and at 75%, 50%, and 25% of design flow;(4) operating range for mixed liquor suspended solids in the treatment process based on the projected actual and design flow expected at the facility;(5) a description of the procedure and method of solids removal from the treatment process;(6) quantity of solids to be removed from the process and schedule for removal of solids that is designed to maintain an appropriate solids inventory; and(7) identification of the ultimate disposal site and a system of documenting the amount of solids removed in dry weight form.