Yes it is common to see a drain field clog after a long period of time in operation (15 to 20 years). It has accomplished its work of filtration and the “filter” is full. It then becomes necessary to “backwash” the system.
Yes it is common to see a drain field clog after a long period of time in operation (15 to 20 years). It has accomplished its work of filtration and the “filter” is full. It then becomes necessary to “backwash” the system.