If you suspect one of the leach field pipes has a clog the easiest way to clean it is with a pressurized sewer jetter.
Can you repair a septic drain field.
A clogged septic tank will back up into the home and cause a mess.
Short of there simply being a clog in the system that can be routed out the bacterial mat that is typically the problem cannot be destroyed other than allowing the trench to completely dry out for a few months.
A septic drain field that goes untreated for a number of years or has certain types of materials like grease and oil constantly flushed into it will eventually clog.
Over time leach fields can build up sludge or tree roots can grow into them to form clogs which causes your septic tank to back up or leak into your yard.
Unfortunately there is not a quick easy fix for a failed drainfield.
On feb 05 2019 you may need to replace your septic field lines or drain lines if they get clogged up with debris dirt or roots.
This would require a new trench system be put in its place.