Skip to main content

Remove and Clean the Filter — Inspect Effluent Filter (if applicable)

Beginner4 hours

Part of project

Septic System Inspection · Step 3 of 9

Helpful?

In this video

With the lid removed, locate the septic filter. It typically has a T-shaped handle at the top. Grab the handle, give it a slight twist, and then slowly pull the entire filter assembly out of the tank. Carry the filter to an area with a garden hose. Using the hose with a nozzle, thoroughly spray down the filter, removing all accumulated sludge and debris. Continue spraying until the filter is visibly clean.

69.7K views297

FAQs

What are the most important safety precautions when inspecting a septic tank?

Never enter the septic tank, as it contains dangerous gases and lacks oxygen. Always wear thick gloves and eye protection to prevent contact with wastewater. Use a sturdy pry bar for lifting heavy lids and ensure the area is well-ventilated during your inspection to disperse any accumulated gases.

What specific tools and materials are essential for a DIY septic inspection?

You'll need a shovel, like the Anvil digging shovel, to excavate the lid and a pry bar set, such as the Husky 3-piece set, to open it safely. A bright flashlight, like the Defiant 2000 Lumens LED, is crucial for internal inspection. Have replacement materials like an Everbilt riser cover or Tuf-Tite effluent filter on hand if needed.

What are the key signs of a problem I should look for inside the septic tank?

Observe the scum (top) and sludge (bottom) layers; if they are excessively thick, your tank likely needs pumping soon. Check the inlet and outlet baffles for blockages, and look for any visible cracks or leaks in the tank walls. Excessive solids in the effluent filter also indicate an issue.

What's a common mistake beginners make during a septic inspection?

A frequent mistake is not properly securing or replacing the septic tank lid, which creates a serious fall hazard. Another common error is attempting to physically clear blockages or make repairs inside the tank without proper knowledge or equipment, which can be dangerous and cause further damage.