Can drain fields be repaired?

Unfortunately, there is no quick and easy solution for a failed drainage field. Unless there is simply a block in the system that can be broken out, the bacterial mat that is typically the problem, cannot be destroyed apart from allowing the trench to dry completely for a few months.There is no easy fix for a failed drainfield. The trench can only be completely dried out for a few months if the mat that is the problem is not destroyed.