The frequency of cleaning your sump pump depends on various factors such as the amount of debris entering the sump pit and the presence of odors. In general, it is recommended to inspect and clean the sump pump at least once a year. However, if you notice any unusual odors, excessive debris, or signs of malfunction, it is advisable to clean and maintain the sump pump more frequently. Regular maintenance and cleaning will help ensure its proper functioning and prevent potential issues.