How Often Should An Aerobic Septic System Be Pumped?

July 22, 2022 Published by Leave your thoughts

Your aerobic septic system is vital to your home’s wastewater treatment system. This type of system uses oxygen to break down sewage and other waste products so that they can be safely discharged into the environment. To function properly, the waste that has been broken down by aerobic septic systems must be regularly pumped out.

How often your system needs to be pumped will depend on several factors, including the size of your system, the amount of wastewater it is processing, and the types of waste products being processed. Your aerobic septic system maintenance needs to be done every three to five years. However, if your system is processing large volumes of wastewater or high-strength waste products, you may need to have it pumped more frequently. Other signs your septic tank system needs to be pumped are included below.

1. Slow Drains

Septic tanks are supposed to discharge effluent slowly, usually at a rate of no more than two feet per day. If you notice that your drains are emptying more slowly than usual, it may indicate that your septic tank is full and needs to be pumped. The rate at which your septic tank empties can indicate that something is wrong and there is a need for immediate assistance.

2. Bad Odors

If you notice bad smells coming from your drains or around your property, it is a sign that your septic system is not functioning correctly. These odors are caused by the buildup of methane gas produced when sewage breaks down. If you notice these odors, you should contact a professional to have your septic system inspected and pumped as soon as possible.

3. Water Pooling Above the Septic Tank

The area above your septic tank should be dry. If you notice water pooling in this area, it signifies that your septic tank is full and needs to be pumped. Remember, any water around your aerobic septic system is a health hazard, so it is essential to take care of this problem as soon as possible. You cannot allow anyone to come in contact with the water until the septic tank has been pumped and the area has been adequately cleaned.

4. Nitrate Concentration

Over the years, nitrate concentration in groundwater has been on the rise. One of the leading causes of this problem is the improper disposal of septic tank effluent. When septic tanks are not pumped regularly, effluent can leach into the groundwater and contaminate it with harmful nitrates. If you are concerned about the nitrate concentration in your area, you should have your septic system pumped more frequently. 


Pumping your septic tank is vital to maintaining your aerobic septic system. Therefore, you cannot allow your septic tank to become full. If you do, it can lead to several problems, including slow drains, bad odors, water pooling, and nitrate contamination. These problems can be avoided by simply having your septic tank pumped every three to five years. You can reach out to All Pro Septic for septic tank pumping services. We will inspect your system and pump it out as needed, ensuring it functions correctly.

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