File Permit Number MO-G640000 Effective Date Sun, 02/25/2024 - 12:00 Expiration Date Sat, 02/24/2029 - 12:00 Description SIC #4941 Process wastewater discharges associated with water treatment plant filter backwash water and solids. Allows operation of wastewater and sludge holding systems as well as land application of water treatment plant sludge.