Generally speaking, for a 1500 gallon septic tank with a properly working leach field, it is recommended to have the system pumped out every 3 to 5 years. This can vary depending on factors such as:
- The size of your household
- Do you use a garbage disposal?
- Does your laundry water go through your system?
- Is there adequate bacteria in your system to aid in the digestion of organic solids?
- Do you want your system to last and work effectively as long as possible?