Most common septic tank drainage problems and failures are due to the drainage field and not to the septic tank itself.
Septic tank drainage problems.
Once the tank is full of solid waste you may experience sewage backups in the toilets or slow drains in tubs and sinks.
Blockages causing flooding within the system including roots blocking pipes.
However if drain field pipes become clogged this issue could back up the rest of the system.
First and most important a septic tank soakaway is not a hole filled with stones or crates.
This however is not true.
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.
There is one thing certain about a septic tank drainage field it will at some stage fail.
The grey water is allowed to pass through the tank and out into the underground drain field lines in your yard.
Structural damage leading to leakage.
Many people with septic system problems such as odor slow draining sinks and tubs gurgling pipes backups and sewage water ponding in their yard mistakenly assume the cause of these issues is their septic tank.
But aside from these non organic materials finding their way into your tank there are other causes of common septic system issues.
The frequency of pumping depends on a few factors.
Septic tank problems and septic tank solutions.
These soakaways are for roof water only and are illegal for sewage effluent.
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.
A septic tank soakaway is a drainfield of perforated pies laid in paralell trenches on 300mm of washed drainage stone.