How Often Does A Septic Holding Tank Need To Be Pumped. However, like i mentioned, there are other factors that come into play. Generally a tank needs to be pumped every 6 to 8 weeks.
This introduction of air causes the growth of many air loving bacteria. If it is just you and your spouse, once a week may be enough. Generally a tank needs to be pumped every 6 to 8 weeks.
The average septic tank system usually requires pumping every three to five [source:
The first is simply to have it pumped out regularly say every two or three years. A general rule of thumb is to wait until your. There are a number of factors that go into determining how often you should pump a septic tank. The chart below shows how often you need to get your septic tank pumped based off the number of people living in your household and the size of your septic tank.