Some companies and jurisdictions have a maximum time period between septic tank pumping events, but we all know many variables impact the need for this septic service. How frequently a septic tank should be pumped depends upon the septic tank capacity, the number of people using the system and appliances that send waste to the tank, such as a garbage disposal.
Tank capacity and consequently detention time is reduced as solids build up. A tank detention time of less than 24 hours may result in some solids being discharged with the effluent and carried to the advanced pretreatment unit or the





















