top of page

To Effluent Filter Or Not To Effluent Filter?

A septic system effluent filter is a device installed in the outlet pipe of a septic tank to trap and remove solids and debris from the effluent before it enters the drain field. Here are some pros and cons of using a septic system effluent filter:


1. Improved system performance: By removing solids and debris from the effluent, a septic system effluent filter can help prevent clogging and blockages in the drain field. This can lead to better overall system performance and prevent costly repairs.

2. Extended drain field life: The filter helps protect the drain field from excessive solids and debris, which can prolong its lifespan. By reducing the load on the drain field, the filter can prevent premature failure and the need for costly replacements.

3. Easy maintenance: Most septic system effluent filters are designed to be easily accessible and cleaned or replaced. Regular maintenance of the filter is relatively simple and can be performed by homeowners without professional assistance.

4. Environmental protection: By capturing solid waste and preventing it from entering the drain field, an effluent filter helps protect the environment. It reduces the risk of contamination of groundwater and nearby water bodies, ensuring a cleaner and healthier ecosystem.


1. Regular maintenance required: Effluent filters need regular maintenance to function properly. This involves cleaning or replacing the filter periodically to prevent clogging. Failing to maintain the filter can lead to reduced efficiency and potential issues with the septic system.

2. Initial cost: Installing a septic system effluent filter requires an upfront investment. While the cost varies depending on the type and brand of the filter, it adds to the overall cost of the septic system installation or retrofitting.

3. Potential for clogging: Although the filter is designed to capture solids, there is still a possibility of the filter itself getting clogged over time when maintenance is forgotten. This will reduce its effectiveness, and potentially cause the tank to back up into the home.

4. Limited effectiveness: While an effluent filter can capture larger solids and debris, it may not effectively filter out finer particles and contaminants. This means that some substances may still enter the drain field, potentially affecting its long-term functionality.

Overall, septic system effluent filters offer several benefits, such as improved system performance and extended drain field life. However, they require regular maintenance, involve an initial cost, and may have limitations in their effectiveness. Reach out to us here at Septic Check to determine if an effluent filter is the right choice for your septic system.


bottom of page