Open the access lid on the tank that s furthest from your home.
Clogged septic tank filter.
Proper septic tanks should be fitted with an effluent filter or tank outlet filter.
This is installed in the outlet of the tank and helps prevent anything other than liquid getting into the leach field or clogging the outlet pipe.
A properly working septic tank outlet filter will become clogged as effluent is filtered and leaves the septic tank.
Build up of solid waste in your septic tank filter simply means your filter is functioning as it should.
If the septic filter at the septic tank is clogged effluent is being discharged abnormally slowly through it to the drainfield which gives the drainfield a relief but is abnormal.
Clean the effluent filter on the outlet pipe to improve drainage.
Then the tank and sewer line may not drain properly and back up.
Water treatment equipment can cause septic filter clogging or fouling a third cause of any type of septic filter or effluent filter clogging is overloading from ancillary water treatment equipment.
The effluent filter is a plastic cylinder in your septic tank s outlet pipe that prevents solid waste from escaping.
How often should you clean a septic filter.
Signs may include toilets backing up and slow draining sinks.
Even a well maintained functional septic tank outlet filter will eventually become clogged as effluent leaves the tank and travels to your drainfield.