Water backup in toilets and drains is not normal.
Septic tank drainage problems.
A lot of the common septic tank problems are caused by things that should not be entering your septic tank through the toilet kitchen sink or garbage disposal unit in the first place.
Most common septic tank drainage problems and failures are due to the drainage field and not to the septic tank itself.
There is one thing certain about a septic tank drainage field it will at some stage fail.
This however is not true.
But aside from these non organic materials finding their way into your tank there are other causes of common septic system issues.
Structural damage leading to leakage.
The most common cause of septic system problems and failure is their septic system absorption component more commonly known as a drainfield becoming.
A septic tank soakaway is a drainfield of perforated pies laid in paralell trenches on 300mm of washed drainage stone.
These soakaways are for roof water only and are illegal for sewage effluent.
Problems with flushing or slow drainage could mean that there is a block in one of the pipes.
Septic tanks gradually fill with solid waste.
Septic tank problems and septic tank solutions.
Once the tank is full of solid waste you may experience sewage backups in the toilets or slow drains in tubs and sinks.
These issues usually signal a clogged drain or full septic tank.
However if drain field pipes become clogged this issue could back up the rest of the system.
The grey water is allowed to pass through the tank and out into the underground drain field lines in your yard.
First and most important a septic tank soakaway is not a hole filled with stones or crates.